Merge branch 'pxa' into devel

20 files changed, 651 insertions, 287 deletions

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index bb5466b27b59..00fad11733ad 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -31,6 +31,8 @@
 #include <linux/interrupt.h>
 #include <linux/i2c-pxa.h>
 #include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
@@ -48,6 +50,7 @@ struct pxa_i2c {
 	unsigned int		slave_addr;
 
 	struct i2c_adapter	adap;
+	struct clk		*clk;
 #ifdef CONFIG_I2C_PXA_SLAVE
 	struct i2c_slave_client *slave;
 #endif
@@ -869,6 +872,12 @@ static int i2c_pxa_probe(struct platform_device *dev)
 
 	sprintf(i2c->adap.name, "pxa_i2c-i2c.%u", dev->id);
 
+	i2c->clk = clk_get(&dev->dev, "I2CCLK");
+	if (IS_ERR(i2c->clk)) {
+		ret = PTR_ERR(i2c->clk);
+		goto eclk;
+	}
+
 	i2c->reg_base = ioremap(res->start, res_len(res));
 	if (!i2c->reg_base) {
 		ret = -EIO;
@@ -889,22 +898,19 @@ static int i2c_pxa_probe(struct platform_device *dev)
 	}
 #endif
 
+	clk_enable(i2c->clk);
+#ifdef CONFIG_PXA27x
 	switch (dev->id) {
 	case 0:
-#ifdef CONFIG_PXA27x
 		pxa_gpio_mode(GPIO117_I2CSCL_MD);
 		pxa_gpio_mode(GPIO118_I2CSDA_MD);
-#endif
-		pxa_set_cken(CKEN_I2C, 1);
 		break;
-#ifdef CONFIG_PXA27x
 	case 1:
 		local_irq_disable();
 		PCFR |= PCFR_PI2CEN;
 		local_irq_enable();
-		pxa_set_cken(CKEN_PWRI2C, 1);
-#endif
 	}
+#endif
 
 	ret = request_irq(irq, i2c_pxa_handler, IRQF_DISABLED,
 			  i2c->adap.name, i2c);
@@ -948,19 +954,18 @@ static int i2c_pxa_probe(struct platform_device *dev)
 eadapt:
 	free_irq(irq, i2c);
 ereqirq:
-	switch (dev->id) {
-	case 0:
-		pxa_set_cken(CKEN_I2C, 0);
-		break;
+	clk_disable(i2c->clk);
+
 #ifdef CONFIG_PXA27x
-	case 1:
-		pxa_set_cken(CKEN_PWRI2C, 0);
+	if (dev->id == 1) {
 		local_irq_disable();
 		PCFR &= ~PCFR_PI2CEN;
 		local_irq_enable();
-#endif
 	}
+#endif
 eremap:
+	clk_put(i2c->clk);
+eclk:
 	kfree(i2c);
 emalloc:
 	release_mem_region(res->start, res_len(res));
@@ -975,18 +980,18 @@ static int i2c_pxa_remove(struct platform_device *dev)
 
 	i2c_del_adapter(&i2c->adap);
 	free_irq(i2c->irq, i2c);
-	switch (dev->id) {
-	case 0:
-		pxa_set_cken(CKEN_I2C, 0);
-		break;
+
+	clk_disable(i2c->clk);
+	clk_put(i2c->clk);
+
 #ifdef CONFIG_PXA27x
-	case 1:
-		pxa_set_cken(CKEN_PWRI2C, 0);
+	if (dev->id == 1) {
 		local_irq_disable();
 		PCFR &= ~PCFR_PI2CEN;
 		local_irq_enable();
-#endif
 	}
+#endif
+
 	release_mem_region(i2c->iobase, i2c->iosize);
 	kfree(i2c);
 
diff --git a/drivers/input/keyboard/pxa27x_keyboard.c b/drivers/input/keyboard/pxa27x_keyboard.c
index ebe5eacf2990..b7061aa38816 100644
--- a/drivers/input/keyboard/pxa27x_keyboard.c
+++ b/drivers/input/keyboard/pxa27x_keyboard.c
@@ -23,6 +23,8 @@
 #include <linux/input.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -40,6 +42,8 @@
 				 col/2 == 2 ? KPASMKP2 : KPASMKP3)
 #define KPASMKPx_MKC(row, col)	(1 << (row + 16 * (col % 2)))
 
+static struct clk *pxakbd_clk;
+
 static irqreturn_t pxakbd_irq_handler(int irq, void *dev_id)
 {
 	struct platform_device *pdev = dev_id;
@@ -104,7 +108,7 @@ static int pxakbd_open(struct input_dev *dev)
 	KPREC = 0x7F;
 
 	/* Enable unit clock */
-	pxa_set_cken(CKEN_KEYPAD, 1);
+	clk_enable(pxakbd_clk);
 
 	return 0;
 }
@@ -112,7 +116,7 @@ static int pxakbd_open(struct input_dev *dev)
 static void pxakbd_close(struct input_dev *dev)
 {
 	/* Disable clock unit */
-	pxa_set_cken(CKEN_KEYPAD, 0);
+	clk_disable(pxakbd_clk);
 }
 
 #ifdef CONFIG_PM
@@ -140,7 +144,8 @@ static int pxakbd_resume(struct platform_device *pdev)
 		KPREC = pdata->reg_kprec;
 
 		/* Enable unit clock */
-		pxa_set_cken(CKEN_KEYPAD, 1);
+		clk_disable(pxakbd_clk);
+		clk_enable(pxakbd_clk);
 	}
 
 	mutex_unlock(&input_dev->mutex);
@@ -158,11 +163,18 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
 	struct input_dev *input_dev;
 	int i, row, col, error;
 
+	pxakbd_clk = clk_get(&pdev->dev, "KBDCLK");
+	if (IS_ERR(pxakbd_clk)) {
+		error = PTR_ERR(pxakbd_clk);
+		goto err_clk;
+	}
+
 	/* Create and register the input driver. */
 	input_dev = input_allocate_device();
 	if (!input_dev) {
 		printk(KERN_ERR "Cannot request keypad device\n");
-		return -ENOMEM;
+		error = -ENOMEM;
+		goto err_alloc;
 	}
 
 	input_dev->name = DRIVER_NAME;
@@ -185,7 +197,6 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
 			    DRIVER_NAME, pdev);
 	if (error) {
 		printk(KERN_ERR "Cannot request keypad IRQ\n");
-		pxa_set_cken(CKEN_KEYPAD, 0);
 		goto err_free_dev;
 	}
 
@@ -217,6 +228,9 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
 	free_irq(IRQ_KEYPAD, pdev);
  err_free_dev:
 	input_free_device(input_dev);
+ err_alloc:
+	clk_put(pxakbd_clk);
+ err_clk:
 	return error;
 }
 
@@ -226,6 +240,7 @@ static int __devexit pxakbd_remove(struct platform_device *pdev)
 
 	input_unregister_device(input_dev);
 	free_irq(IRQ_KEYPAD, pdev);
+	clk_put(pxakbd_clk);
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 3cb23210b912..257b44094e4c 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -108,6 +108,12 @@ config LEDS_GPIO
 	  outputs. To be useful the particular board must have LEDs
 	  and they must be connected to the GPIO lines.
 
+config LEDS_CM_X270
+	tristate "LED Support for the CM-X270 LEDs"
+	depends on LEDS_CLASS && MACH_ARMCORE
+	help
+	  This option enables support for the CM-X270 LEDs.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index d2ca1abbc3d2..a60de1b46c2c 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
 obj-$(CONFIG_LEDS_COBALT_QUBE)		+= leds-cobalt-qube.o
 obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
+obj-$(CONFIG_LEDS_CM_X270)              += leds-cm-x270.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
diff --git a/drivers/leds/leds-cm-x270.c b/drivers/leds/leds-cm-x270.c
new file mode 100644
index 000000000000..9aebef02a974
--- /dev/null
+++ b/drivers/leds/leds-cm-x270.c
@@ -0,0 +1,122 @@
+/*
+ * drivers/leds/leds-cm-x270.c
+ *
+ * Copyright 2007 CompuLab Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Based on leds-corgi.c
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+
+#define GPIO_RED_LED			(93)
+#define GPIO_GREEN_LED			(94)
+
+static void cmx270_red_set(struct led_classdev *led_cdev,
+			   enum led_brightness value)
+{
+	if (value)
+		GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
+	else
+		GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
+}
+
+static void cmx270_green_set(struct led_classdev *led_cdev,
+			     enum led_brightness value)
+{
+	if (value)
+		GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
+	else
+		GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
+}
+
+static struct led_classdev cmx270_red_led = {
+	.name			= "cm-x270:red",
+	.default_trigger	= "nand-disk",
+	.brightness_set		= cmx270_red_set,
+};
+
+static struct led_classdev cmx270_green_led = {
+	.name			= "cm-x270:green",
+	.default_trigger	= "heartbeat",
+	.brightness_set		= cmx270_green_set,
+};
+
+#ifdef CONFIG_PM
+static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)
+{
+	led_classdev_suspend(&cmx270_red_led);
+	led_classdev_suspend(&cmx270_green_led);
+	return 0;
+}
+
+static int cmx270led_resume(struct platform_device *dev)
+{
+	led_classdev_resume(&cmx270_red_led);
+	led_classdev_resume(&cmx270_green_led);
+	return 0;
+}
+#endif
+
+static int cmx270led_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = led_classdev_register(&pdev->dev, &cmx270_red_led);
+	if (ret < 0)
+		return ret;
+
+	ret = led_classdev_register(&pdev->dev, &cmx270_green_led);
+	if (ret < 0)
+		led_classdev_unregister(&cmx270_red_led);
+
+	return ret;
+}
+
+static int cmx270led_remove(struct platform_device *pdev)
+{
+	led_classdev_unregister(&cmx270_red_led);
+	led_classdev_unregister(&cmx270_green_led);
+	return 0;
+}
+
+static struct platform_driver cmx270led_driver = {
+	.probe		= cmx270led_probe,
+	.remove		= cmx270led_remove,
+#ifdef CONFIG_PM
+	.suspend	= cmx270led_suspend,
+	.resume		= cmx270led_resume,
+#endif
+	.driver		= {
+		.name		= "cm-x270-led",
+	},
+};
+
+static int __init cmx270led_init(void)
+{
+	return platform_driver_register(&cmx270led_driver);
+}
+
+static void __exit cmx270led_exit(void)
+{
+	platform_driver_unregister(&cmx270led_driver);
+}
+
+module_init(cmx270led_init);
+module_exit(cmx270led_exit);
+
+MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("CM-x270 LED driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 657901eecfce..0601e01aa2c2 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -23,6 +23,8 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 #include <linux/mmc/host.h>
 
 #include <asm/dma.h>
@@ -44,6 +46,8 @@ struct pxamci_host {
 	spinlock_t		lock;
 	struct resource		*res;
 	void __iomem		*base;
+	struct clk		*clk;
+	unsigned long		clkrate;
 	int			irq;
 	int			dma;
 	unsigned int		clkrt;
@@ -119,7 +123,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 	writel(nob, host->base + MMC_NOB);
 	writel(data->blksz, host->base + MMC_BLKLEN);
 
-	clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
+	clks = (unsigned long long)data->timeout_ns * host->clkrate;
 	do_div(clks, 1000000000UL);
 	timeout = (unsigned int)clks + (data->timeout_clks << host->clkrt);
 	writel((timeout + 255) / 256, host->base + MMC_RDTO);
@@ -365,18 +369,25 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	struct pxamci_host *host = mmc_priv(mmc);
 
 	if (ios->clock) {
-		unsigned int clk = CLOCKRATE / ios->clock;
-		if (CLOCKRATE / clk > ios->clock)
+		unsigned long rate = host->clkrate;
+		unsigned int clk = rate / ios->clock;
+
+		/*
+		 * clk might result in a lower divisor than we
+		 * desire.  check for that condition and adjust
+		 * as appropriate.
+		 */
+		if (rate / clk > ios->clock)
 			clk <<= 1;
 		host->clkrt = fls(clk) - 1;
-		pxa_set_cken(CKEN_MMC, 1);
+		clk_enable(host->clk);
 
 		/*
 		 * we write clkrt on the next command
 		 */
 	} else {
 		pxamci_stop_clock(host);
-		pxa_set_cken(CKEN_MMC, 0);
+		clk_disable(host->clk);
 	}
 
 	if (host->power_mode != ios->power_mode) {
@@ -462,8 +473,6 @@ static int pxamci_probe(struct platform_device *pdev)
 	}
 
 	mmc->ops = &pxamci_ops;
-	mmc->f_min = CLOCKRATE_MIN;
-	mmc->f_max = CLOCKRATE_MAX;
 
 	/*
 	 * We can do SG-DMA, but we don't because we never know how much
@@ -490,6 +499,22 @@ static int pxamci_probe(struct platform_device *pdev)
 	host->mmc = mmc;
 	host->dma = -1;
 	host->pdata = pdev->dev.platform_data;
+
+	host->clk = clk_get(&pdev->dev, "MMCCLK");
+	if (IS_ERR(host->clk)) {
+		ret = PTR_ERR(host->clk);
+		host->clk = NULL;
+		goto out;
+	}
+
+	host->clkrate = clk_get_rate(host->clk);
+
+	/*
+	 * Calculate minimum clock rate, rounding up.
+	 */
+	mmc->f_min = (host->clkrate + 63) / 64;
+	mmc->f_max = host->clkrate;
+
 	mmc->ocr_avail = host->pdata ?
 			 host->pdata->ocr_mask :
 			 MMC_VDD_32_33|MMC_VDD_33_34;
@@ -554,6 +579,8 @@ static int pxamci_probe(struct platform_device *pdev)
 			iounmap(host->base);
 		if (host->sg_cpu)
 			dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+		if (host->clk)
+			clk_put(host->clk);
 	}
 	if (mmc)
 		mmc_free_host(mmc);
@@ -588,6 +615,8 @@ static int pxamci_remove(struct platform_device *pdev)
 		iounmap(host->base);
 		dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
 
+		clk_put(host->clk);
+
 		release_resource(host->res);
 
 		mmc_free_host(mmc);
diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h
index 3153e779d46a..748c7706f237 100644
--- a/drivers/mmc/host/pxamci.h
+++ b/drivers/mmc/host/pxamci.h
@@ -88,17 +88,3 @@
 #define MMC_RXFIFO	0x0040	/* 8 bit */
 
 #define MMC_TXFIFO	0x0044	/* 8 bit */
-
-/*
- * The base MMC clock rate
- */
-#ifdef CONFIG_PXA27x
-#define CLOCKRATE_MIN	304688
-#define CLOCKRATE_MAX	19500000
-#else
-#define CLOCKRATE_MIN	312500
-#define CLOCKRATE_MAX	20000000
-#endif
-
-#define CLOCKRATE	CLOCKRATE_MAX
-
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index 55ff0fbe525a..8c09344f58dc 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -23,6 +23,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
+#include <linux/clk.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irmod.h>
@@ -87,8 +88,30 @@ struct pxa_irda {
 
 	struct device		*dev;
 	struct pxaficp_platform_data *pdata;
+	struct clk		*fir_clk;
+	struct clk		*sir_clk;
+	struct clk		*cur_clk;
 };
 
+static inline void pxa_irda_disable_clk(struct pxa_irda *si)
+{
+	if (si->cur_clk)
+		clk_disable(si->cur_clk);
+	si->cur_clk = NULL;
+}
+
+static inline void pxa_irda_enable_firclk(struct pxa_irda *si)
+{
+	si->cur_clk = si->fir_clk;
+	clk_enable(si->fir_clk);
+}
+
+static inline void pxa_irda_enable_sirclk(struct pxa_irda *si)
+{
+	si->cur_clk = si->sir_clk;
+	clk_enable(si->sir_clk);
+}
+
 
 #define IS_FIR(si)		((si)->speed >= 4000000)
 #define IRDA_FRAME_SIZE_LIMIT	2047
@@ -134,7 +157,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
 			DCSR(si->rxdma) &= ~DCSR_RUN;
 			/* disable FICP */
 			ICCR0 = 0;
-			pxa_set_cken(CKEN_FICP, 0);
+			pxa_irda_disable_clk(si);
 
 			/* set board transceiver to SIR mode */
 			si->pdata->transceiver_mode(si->dev, IR_SIRMODE);
@@ -144,7 +167,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
 			pxa_gpio_mode(GPIO47_STTXD_MD);
 
 			/* enable the STUART clock */
-			pxa_set_cken(CKEN_STUART, 1);
+			pxa_irda_enable_sirclk(si);
 		}
 
 		/* disable STUART first */
@@ -169,7 +192,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
 		/* disable STUART */
 		STIER = 0;
 		STISR = 0;
-		pxa_set_cken(CKEN_STUART, 0);
+		pxa_irda_disable_clk(si);
 
 		/* disable FICP first */
 		ICCR0 = 0;
@@ -182,7 +205,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
 		pxa_gpio_mode(GPIO47_ICPTXD_MD);
 
 		/* enable the FICP clock */
-		pxa_set_cken(CKEN_FICP, 1);
+		pxa_irda_enable_firclk(si);
 
 		si->speed = speed;
 		pxa_irda_fir_dma_rx_start(si);
@@ -592,16 +615,15 @@ static void pxa_irda_shutdown(struct pxa_irda *si)
 	STIER = 0;
 	/* disable STUART SIR mode */
 	STISR = 0;
-	/* disable the STUART clock */
-	pxa_set_cken(CKEN_STUART, 0);
 
 	/* disable DMA */
 	DCSR(si->txdma) &= ~DCSR_RUN;
 	DCSR(si->rxdma) &= ~DCSR_RUN;
 	/* disable FICP */
 	ICCR0 = 0;
-	/* disable the FICP clock */
-	pxa_set_cken(CKEN_FICP, 0);
+
+	/* disable the STUART or FICP clocks */
+	pxa_irda_disable_clk(si);
 
 	DRCMR17 = 0;
 	DRCMR18 = 0;
@@ -792,6 +814,13 @@ static int pxa_irda_probe(struct platform_device *pdev)
 	si->dev = &pdev->dev;
 	si->pdata = pdev->dev.platform_data;
 
+	si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
+	si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
+	if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
+		err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
+		goto err_mem_4;
+	}
+
 	/*
 	 * Initialise the SIR buffers
 	 */
@@ -831,6 +860,10 @@ static int pxa_irda_probe(struct platform_device *pdev)
 err_mem_5:
 		kfree(si->rx_buff.head);
 err_mem_4:
+		if (si->sir_clk && !IS_ERR(si->sir_clk))
+			clk_put(si->sir_clk);
+		if (si->fir_clk && !IS_ERR(si->fir_clk))
+			clk_put(si->fir_clk);
 		free_netdev(dev);
 err_mem_3:
 		release_mem_region(__PREG(FICP), 0x1c);
@@ -850,6 +883,8 @@ static int pxa_irda_remove(struct platform_device *_dev)
 		unregister_netdev(dev);
 		kfree(si->tx_buff.head);
 		kfree(si->rx_buff.head);
+		clk_put(si->fir_clk);
+		clk_put(si->sir_clk);
 		free_netdev(dev);
 	}
 
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 24e610e711e8..7da7589d45dd 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -173,49 +173,6 @@ MODULE_LICENSE("GPL");
  */
 #define MII_DELAY		1
 
-/* store this information for the driver.. */
-struct smc_local {
-	/*
-	 * If I have to wait until memory is available to send a
-	 * packet, I will store the skbuff here, until I get the
-	 * desired memory.  Then, I'll send it out and free it.
-	 */
-	struct sk_buff *pending_tx_skb;
-	struct tasklet_struct tx_task;
-
-	/* version/revision of the SMC91x chip */
-	int	version;
-
-	/* Contains the current active transmission mode */
-	int	tcr_cur_mode;
-
-	/* Contains the current active receive mode */
-	int	rcr_cur_mode;
-
-	/* Contains the current active receive/phy mode */
-	int	rpc_cur_mode;
-	int	ctl_rfduplx;
-	int	ctl_rspeed;
-
-	u32	msg_enable;
-	u32	phy_type;
-	struct mii_if_info mii;
-
-	/* work queue */
-	struct work_struct phy_configure;
-	struct net_device *dev;
-	int	work_pending;
-
-	spinlock_t lock;
-
-#ifdef SMC_USE_PXA_DMA
-	/* DMA needs the physical address of the chip */
-	u_long physaddr;
-#endif
-	void __iomem *base;
-	void __iomem *datacs;
-};
-
 #if SMC_DEBUG > 0
 #define DBG(n, args...)					\
 	do {						\
@@ -2215,17 +2172,19 @@ static int smc_drv_probe(struct platform_device *pdev)
 		goto out_release_attrib;
 	}
 
-	platform_set_drvdata(pdev, ndev);
-	ret = smc_probe(ndev, addr);
-	if (ret != 0)
-		goto out_iounmap;
 #ifdef SMC_USE_PXA_DMA
-	else {
+	{
 		struct smc_local *lp = netdev_priv(ndev);
+		lp->device = &pdev->dev;
 		lp->physaddr = res->start;
 	}
 #endif
 
+	platform_set_drvdata(pdev, ndev);
+	ret = smc_probe(ndev, addr);
+	if (ret != 0)
+		goto out_iounmap;
+
 	smc_request_datacs(pdev, ndev);
 
 	return 0;
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index af9e6bf59552..729fd28c08b5 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -462,6 +462,52 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 
 #endif
 
+
+/* store this information for the driver.. */
+struct smc_local {
+	/*
+	 * If I have to wait until memory is available to send a
+	 * packet, I will store the skbuff here, until I get the
+	 * desired memory.  Then, I'll send it out and free it.
+	 */
+	struct sk_buff *pending_tx_skb;
+	struct tasklet_struct tx_task;
+
+	/* version/revision of the SMC91x chip */
+	int	version;
+
+	/* Contains the current active transmission mode */
+	int	tcr_cur_mode;
+
+	/* Contains the current active receive mode */
+	int	rcr_cur_mode;
+
+	/* Contains the current active receive/phy mode */
+	int	rpc_cur_mode;
+	int	ctl_rfduplx;
+	int	ctl_rspeed;
+
+	u32	msg_enable;
+	u32	phy_type;
+	struct mii_if_info mii;
+
+	/* work queue */
+	struct work_struct phy_configure;
+	struct net_device *dev;
+	int	work_pending;
+
+	spinlock_t lock;
+
+#ifdef SMC_USE_PXA_DMA
+	/* DMA needs the physical address of the chip */
+	u_long physaddr;
+	struct device *device;
+#endif
+	void __iomem *base;
+	void __iomem *datacs;
+};
+
+
 #ifdef SMC_USE_PXA_DMA
 /*
  * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
@@ -476,11 +522,12 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 #ifdef SMC_insl
 #undef SMC_insl
 #define SMC_insl(a, r, p, l) \
-	smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
+	smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
 static inline void
-smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
 		 u_char *buf, int len)
 {
+	u_long physaddr = lp->physaddr;
 	dma_addr_t dmabuf;
 
 	/* fallback if no DMA available */
@@ -497,7 +544,7 @@ smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
 	}
 
 	len *= 4;
-	dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+	dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
 	DCSR(dma) = DCSR_NODESC;
 	DTADR(dma) = dmabuf;
 	DSADR(dma) = physaddr + reg;
@@ -507,18 +554,19 @@ smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
 	while (!(DCSR(dma) & DCSR_STOPSTATE))
 		cpu_relax();
 	DCSR(dma) = 0;
-	dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+	dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 }
 #endif
 
 #ifdef SMC_insw
 #undef SMC_insw
 #define SMC_insw(a, r, p, l) \
-	smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
+	smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
 static inline void
-smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
 		 u_char *buf, int len)
 {
+	u_long physaddr = lp->physaddr;
 	dma_addr_t dmabuf;
 
 	/* fallback if no DMA available */
@@ -535,7 +583,7 @@ smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
 	}
 
 	len *= 2;
-	dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+	dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
 	DCSR(dma) = DCSR_NODESC;
 	DTADR(dma) = dmabuf;
 	DSADR(dma) = physaddr + reg;
@@ -545,7 +593,7 @@ smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
 	while (!(DCSR(dma) & DCSR_STOPSTATE))
 		cpu_relax();
 	DCSR(dma) = 0;
-	dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+	dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 }
 #endif
 
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 4276965517f2..dc7a4cb5d270 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -69,4 +69,5 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD)		+= sa1100_simpad.o
 pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK)		+= pxa2xx_lubbock.o sa1111_generic.o
 pxa2xx_cs-$(CONFIG_MACH_MAINSTONE)		+= pxa2xx_mainstone.o
 pxa2xx_cs-$(CONFIG_PXA_SHARPSL)			+= pxa2xx_sharpsl.o
+pxa2xx_cs-$(CONFIG_MACH_ARMCORE)		+= pxa2xx_cm_x270.o
 
diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c
new file mode 100644
index 000000000000..fbf2f3a6984c
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_cm_x270.c
@@ -0,0 +1,175 @@
+/*
+ * linux/drivers/pcmcia/pxa/pxa_cm_x270.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Compulab Ltd., 2003, 2007
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+
+#include <pcmcia/ss.h>
+#include <asm/hardware.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/cm-x270.h>
+
+#include "soc_common.h"
+
+static struct pcmcia_irqs irqs[] = {
+	{ 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" },
+	{ 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" },
+};
+
+static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) |
+		GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) |
+		GPIO_bit(GPIO85_nPCE_1) |
+		GPIO_bit(GPIO54_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO85_nPCE_1_MD);
+	pxa_gpio_mode(GPIO54_nPCE_2_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
+	/* Reset signal */
+	pxa_gpio_mode(GPIO53_nPCE_2 | GPIO_OUT);
+	GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+
+	set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH);
+	set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH);
+
+	/* irq's for slots: */
+	set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING);
+	set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING);
+
+	skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT;
+	return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt)
+{
+	soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
+
+	set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE);
+	set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE);
+
+	set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE);
+	set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE);
+}
+
+
+static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+				       struct pcmcia_state *state)
+{
+	state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0;
+	state->ready  = (PCC_READY(skt->nr) == 0) ? 0 : 1;
+	state->bvd1   = 1;
+	state->bvd2   = 1;
+	state->vs_3v  = 0;
+	state->vs_Xv  = 0;
+	state->wrprot = 0;  /* not available */
+}
+
+
+static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+					  const socket_state_t *state)
+{
+	GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+	pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT);
+
+	switch (skt->nr) {
+	case 0:
+		if (state->flags & SS_RESET) {
+			GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+			GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+			udelay(10);
+			GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+			GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+		}
+		break;
+	case 1:
+		if (state->flags & SS_RESET) {
+			GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+			GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+			udelay(10);
+			GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+			GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+		}
+		break;
+	}
+
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+
+	return 0;
+}
+
+static void cmx270_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+}
+
+static void cmx270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+}
+
+
+static struct pcmcia_low_level cmx270_pcmcia_ops = {
+	.owner			= THIS_MODULE,
+	.hw_init		= cmx270_pcmcia_hw_init,
+	.hw_shutdown		= cmx270_pcmcia_shutdown,
+	.socket_state		= cmx270_pcmcia_socket_state,
+	.configure_socket	= cmx270_pcmcia_configure_socket,
+	.socket_init		= cmx270_pcmcia_socket_init,
+	.socket_suspend		= cmx270_pcmcia_socket_suspend,
+	.nr			= 2,
+};
+
+static struct platform_device *cmx270_pcmcia_device;
+
+static int __init cmx270_pcmcia_init(void)
+{
+	int ret;
+
+	cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+
+	if (!cmx270_pcmcia_device)
+		return -ENOMEM;
+
+	cmx270_pcmcia_device->dev.platform_data = &cmx270_pcmcia_ops;
+
+	printk(KERN_INFO "Registering cm-x270 PCMCIA interface.\n");
+	ret = platform_device_add(cmx270_pcmcia_device);
+
+	if (ret)
+		platform_device_put(cmx270_pcmcia_device);
+
+	return ret;
+}
+
+static void __exit cmx270_pcmcia_exit(void)
+{
+	platform_device_unregister(cmx270_pcmcia_device);
+}
+
+module_init(cmx270_pcmcia_init);
+module_exit(cmx270_pcmcia_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("CM-x270 PCMCIA driver");
diff --git a/drivers/pcmcia/pxa2xx_lubbock.c b/drivers/pcmcia/pxa2xx_lubbock.c
index 5e9b9a3fd027..1510d6cde3e2 100644
--- a/drivers/pcmcia/pxa2xx_lubbock.c
+++ b/drivers/pcmcia/pxa2xx_lubbock.c
@@ -30,35 +30,6 @@
 #include "sa1111_generic.h"
 
 static int
-lubbock_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
-{
-	/*
-	 * Setup default state of GPIO outputs
-	 * before we enable them as outputs.
-	 */
-	GPSR(GPIO48_nPOE) =
-		GPIO_bit(GPIO48_nPOE) |
-		GPIO_bit(GPIO49_nPWE) |
-		GPIO_bit(GPIO50_nPIOR) |
-		GPIO_bit(GPIO51_nPIOW) |
-		GPIO_bit(GPIO52_nPCE_1) |
-		GPIO_bit(GPIO53_nPCE_2);
-
-	pxa_gpio_mode(GPIO48_nPOE_MD);
-	pxa_gpio_mode(GPIO49_nPWE_MD);
-	pxa_gpio_mode(GPIO50_nPIOR_MD);
-	pxa_gpio_mode(GPIO51_nPIOW_MD);
-	pxa_gpio_mode(GPIO52_nPCE_1_MD);
-	pxa_gpio_mode(GPIO53_nPCE_2_MD);
-	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
-	pxa_gpio_mode(GPIO55_nPREG_MD);
-	pxa_gpio_mode(GPIO56_nPWAIT_MD);
-	pxa_gpio_mode(GPIO57_nIOIS16_MD);
-
-	return sa1111_pcmcia_hw_init(skt);
-}
-
-static int
 lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
 				const socket_state_t *state)
 {
@@ -230,7 +201,7 @@ lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
 
 static struct pcmcia_low_level lubbock_pcmcia_ops = {
 	.owner			= THIS_MODULE,
-	.hw_init		= lubbock_pcmcia_hw_init,
+	.hw_init		= sa1111_pcmcia_hw_init,
 	.hw_shutdown		= sa1111_pcmcia_hw_shutdown,
 	.socket_state		= sa1111_pcmcia_socket_state,
 	.configure_socket	= lubbock_pcmcia_configure_socket,
diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c
index 383107ba4bd3..36c671c5fb65 100644
--- a/drivers/pcmcia/pxa2xx_mainstone.c
+++ b/drivers/pcmcia/pxa2xx_mainstone.c
@@ -43,24 +43,6 @@ static int mst_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 	 * Setup default state of GPIO outputs
 	 * before we enable them as outputs.
 	 */
-	GPSR(GPIO48_nPOE) =
-		GPIO_bit(GPIO48_nPOE) |
-		GPIO_bit(GPIO49_nPWE) |
-		GPIO_bit(GPIO50_nPIOR) |
-		GPIO_bit(GPIO51_nPIOW) |
-		GPIO_bit(GPIO85_nPCE_1) |
-		GPIO_bit(GPIO54_nPCE_2);
-
-	pxa_gpio_mode(GPIO48_nPOE_MD);
-	pxa_gpio_mode(GPIO49_nPWE_MD);
-	pxa_gpio_mode(GPIO50_nPIOR_MD);
-	pxa_gpio_mode(GPIO51_nPIOW_MD);
-	pxa_gpio_mode(GPIO85_nPCE_1_MD);
-	pxa_gpio_mode(GPIO54_nPCE_2_MD);
-	pxa_gpio_mode(GPIO79_pSKTSEL_MD);
-	pxa_gpio_mode(GPIO55_nPREG_MD);
-	pxa_gpio_mode(GPIO56_nPWAIT_MD);
-	pxa_gpio_mode(GPIO57_nIOIS16_MD);
 
 	skt->irq = (skt->nr == 0) ? MAINSTONE_S0_IRQ : MAINSTONE_S1_IRQ;
 	return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index e9c6cb391a23..af3a011b2b24 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -42,6 +42,7 @@
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include <linux/serial_core.h>
+#include <linux/clk.h>
 
 #include <asm/io.h>
 #include <asm/hardware.h>
@@ -55,7 +56,7 @@ struct uart_pxa_port {
 	unsigned char           lcr;
 	unsigned char           mcr;
 	unsigned int            lsr_break_flag;
-	unsigned int		cken;
+	struct clk		*clk;
 	char			*name;
 };
 
@@ -351,6 +352,8 @@ static int serial_pxa_startup(struct uart_port *port)
 	else
 		up->mcr = 0;
 
+	up->port.uartclk = clk_get_rate(up->clk);
+
 	/*
 	 * Allocate the IRQ
 	 */
@@ -546,9 +549,11 @@ serial_pxa_pm(struct uart_port *port, unsigned int state,
 	      unsigned int oldstate)
 {
 	struct uart_pxa_port *up = (struct uart_pxa_port *)port;
-	pxa_set_cken(up->cken, !state);
+
 	if (!state)
-		udelay(1);
+		clk_enable(up->clk);
+	else
+		clk_disable(up->clk);
 }
 
 static void serial_pxa_release_port(struct uart_port *port)
@@ -582,7 +587,7 @@ serial_pxa_type(struct uart_port *port)
 
 #ifdef CONFIG_SERIAL_PXA_CONSOLE
 
-static struct uart_pxa_port serial_pxa_ports[];
+static struct uart_pxa_port *serial_pxa_ports[4];
 static struct uart_driver serial_pxa_reg;
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
@@ -632,9 +637,11 @@ static void serial_pxa_console_putchar(struct uart_port *port, int ch)
 static void
 serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
 {
-	struct uart_pxa_port *up = &serial_pxa_ports[co->index];
+	struct uart_pxa_port *up = serial_pxa_ports[co->index];
 	unsigned int ier;
 
+	clk_enable(up->clk);
+
 	/*
 	 *	First save the IER then disable the interrupts
 	 */
@@ -649,6 +656,8 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
 	 */
 	wait_for_xmitr(up);
 	serial_out(up, UART_IER, ier);
+
+	clk_disable(up->clk);
 }
 
 static int __init
@@ -662,7 +671,9 @@ serial_pxa_console_setup(struct console *co, char *options)
 
 	if (co->index == -1 || co->index >= serial_pxa_reg.nr)
 		co->index = 0;
-       	up = &serial_pxa_ports[co->index];
+	up = serial_pxa_ports[co->index];
+	if (!up)
+		return -ENODEV;
 
 	if (options)
 		uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -680,15 +691,6 @@ static struct console serial_pxa_console = {
 	.data		= &serial_pxa_reg,
 };
 
-static int __init
-serial_pxa_console_init(void)
-{
-	register_console(&serial_pxa_console);
-	return 0;
-}
-
-console_initcall(serial_pxa_console_init);
-
 #define PXA_CONSOLE	&serial_pxa_console
 #else
 #define PXA_CONSOLE	NULL
@@ -714,73 +716,13 @@ struct uart_ops serial_pxa_pops = {
 	.verify_port	= serial_pxa_verify_port,
 };
 
-static struct uart_pxa_port serial_pxa_ports[] = {
-     {	/* FFUART */
-	.name	= "FFUART",
-	.cken	= CKEN_FFUART,
-	.port	= {
-		.type		= PORT_PXA,
-		.iotype		= UPIO_MEM,
-		.membase	= (void *)&FFUART,
-		.mapbase	= __PREG(FFUART),
-		.irq		= IRQ_FFUART,
-		.uartclk	= 921600 * 16,
-		.fifosize	= 64,
-		.ops		= &serial_pxa_pops,
-		.line		= 0,
-	},
-  }, {	/* BTUART */
-	.name	= "BTUART",
-	.cken	= CKEN_BTUART,
-	.port	= {
-		.type		= PORT_PXA,
-		.iotype		= UPIO_MEM,
-		.membase	= (void *)&BTUART,
-		.mapbase	= __PREG(BTUART),
-		.irq		= IRQ_BTUART,
-		.uartclk	= 921600 * 16,
-		.fifosize	= 64,
-		.ops		= &serial_pxa_pops,
-		.line		= 1,
-	},
-  }, {	/* STUART */
-	.name	= "STUART",
-	.cken	= CKEN_STUART,
-	.port	= {
-		.type		= PORT_PXA,
-		.iotype		= UPIO_MEM,
-		.membase	= (void *)&STUART,
-		.mapbase	= __PREG(STUART),
-		.irq		= IRQ_STUART,
-		.uartclk	= 921600 * 16,
-		.fifosize	= 64,
-		.ops		= &serial_pxa_pops,
-		.line		= 2,
-	},
-  }, {  /* HWUART */
-	.name	= "HWUART",
-	.cken	= CKEN_HWUART,
-	.port = {
-		.type		= PORT_PXA,
-		.iotype		= UPIO_MEM,
-		.membase	= (void *)&HWUART,
-		.mapbase	= __PREG(HWUART),
-		.irq		= IRQ_HWUART,
-		.uartclk	= 921600 * 16,
-		.fifosize	= 64,
-		.ops		= &serial_pxa_pops,
-		.line		= 3,
-	},
-  }
-};
-
 static struct uart_driver serial_pxa_reg = {
 	.owner		= THIS_MODULE,
 	.driver_name	= "PXA serial",
 	.dev_name	= "ttyS",
 	.major		= TTY_MAJOR,
 	.minor		= 64,
-	.nr		= ARRAY_SIZE(serial_pxa_ports),
+	.nr		= 4,
 	.cons		= PXA_CONSOLE,
 };
 
@@ -806,10 +748,68 @@ static int serial_pxa_resume(struct platform_device *dev)
 
 static int serial_pxa_probe(struct platform_device *dev)
 {
-	serial_pxa_ports[dev->id].port.dev = &dev->dev;
-	uart_add_one_port(&serial_pxa_reg, &serial_pxa_ports[dev->id].port);
-	platform_set_drvdata(dev, &serial_pxa_ports[dev->id]);
+	struct uart_pxa_port *sport;
+	struct resource *mmres, *irqres;
+	int ret;
+
+	mmres = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	irqres = platform_get_resource(dev, IORESOURCE_IRQ, 0);
+	if (!mmres || !irqres)
+		return -ENODEV;
+
+	sport = kzalloc(sizeof(struct uart_pxa_port), GFP_KERNEL);
+	if (!sport)
+		return -ENOMEM;
+
+	sport->clk = clk_get(&dev->dev, "UARTCLK");
+	if (IS_ERR(sport->clk)) {
+		ret = PTR_ERR(sport->clk);
+		goto err_free;
+	}
+
+	sport->port.type = PORT_PXA;
+	sport->port.iotype = UPIO_MEM;
+	sport->port.mapbase = mmres->start;
+	sport->port.irq = irqres->start;
+	sport->port.fifosize = 64;
+	sport->port.ops = &serial_pxa_pops;
+	sport->port.line = dev->id;
+	sport->port.dev = &dev->dev;
+	sport->port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
+	sport->port.uartclk = clk_get_rate(sport->clk);
+
+	/*
+	 * Is it worth keeping this?
+	 */
+	if (mmres->start == __PREG(FFUART))
+		sport->name = "FFUART";
+	else if (mmres->start == __PREG(BTUART))
+		sport->name = "BTUART";
+	else if (mmres->start == __PREG(STUART))
+		sport->name = "STUART";
+	else if (mmres->start == __PREG(HWUART))
+		sport->name = "HWUART";
+	else
+		sport->name = "???";
+
+	sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
+	if (!sport->port.membase) {
+		ret = -ENOMEM;
+		goto err_clk;
+	}
+
+	serial_pxa_ports[dev->id] = sport;
+
+	uart_add_one_port(&serial_pxa_reg, &sport->port);
+	platform_set_drvdata(dev, sport);
+
 	return 0;
+
+ err_clk:
+	clk_put(sport->clk);
+ err_free:
+	kfree(sport);
+	return ret;
 }
 
 static int serial_pxa_remove(struct platform_device *dev)
@@ -818,8 +818,9 @@ static int serial_pxa_remove(struct platform_device *dev)
 
 	platform_set_drvdata(dev, NULL);
 
-	if (sport)
-		uart_remove_one_port(&serial_pxa_reg, &sport->port);
+	uart_remove_one_port(&serial_pxa_reg, &sport->port);
+	clk_put(sport->clk);
+	kfree(sport);
 
 	return 0;
 }
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index a055f58f342f..a3bd3a3f41f3 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2127,6 +2127,14 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
 		spin_unlock_irqrestore(&port->lock, flags);
 
 		/*
+		 * If this driver supports console, and it hasn't been
+		 * successfully registered yet, try to re-register it.
+		 * It may be that the port was not available.
+		 */
+		if (port->cons && !(port->cons->flags & CON_ENABLED))
+			register_console(port->cons);
+
+		/*
 		 * Power down all ports by default, except the
 		 * console if we have one.
 		 */
@@ -2286,6 +2294,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
 	}
 
 	state->port = port;
+	state->pm_state = -1;
 
 	port->cons = drv->cons;
 	port->info = state->info;
@@ -2308,15 +2317,6 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
 	tty_register_device(drv->tty_driver, port->line, port->dev);
 
 	/*
-	 * If this driver supports console, and it hasn't been
-	 * successfully registered yet, try to re-register it.
-	 * It may be that the port was not available.
-	 */
-	if (port->type != PORT_UNKNOWN &&
-	    port->cons && !(port->cons->flags & CON_ENABLED))
-		register_console(port->cons);
-
-	/*
 	 * Ensure UPF_DEAD is not set.
 	 */
 	port->flags &= ~UPF_DEAD;
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 1407ad1c8128..90d0d086b9b8 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -43,6 +43,8 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/irq.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/byteorder.h>
 #include <asm/dma.h>
@@ -1157,7 +1159,7 @@ static void udc_disable(struct pxa2xx_udc *dev)
 
 #ifdef	CONFIG_ARCH_PXA
         /* Disable clock for USB device */
-	pxa_set_cken(CKEN_USB, 0);
+	clk_disable(dev->clk);
 #endif
 
 	ep0_idle (dev);
@@ -1202,8 +1204,7 @@ static void udc_enable (struct pxa2xx_udc *dev)
 
 #ifdef	CONFIG_ARCH_PXA
         /* Enable clock for USB device */
-	pxa_set_cken(CKEN_USB, 1);
-	udelay(5);
+	clk_enable(dev->clk);
 #endif
 
 	/* try to clear these bits before we enable the udc */
@@ -2137,6 +2138,14 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return -ENODEV;
 
+#ifdef	CONFIG_ARCH_PXA
+	dev->clk = clk_get(&pdev->dev, "UDCCLK");
+	if (IS_ERR(dev->clk)) {
+		retval = PTR_ERR(dev->clk);
+		goto err_clk;
+	}
+#endif
+
 	pr_debug("%s: IRQ %d%s%s\n", driver_name, irq,
 		dev->has_cfr ? "" : " (!cfr)",
 		SIZE_STR "(pio)"
@@ -2152,11 +2161,10 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 			dev_dbg(&pdev->dev,
 				"can't get vbus gpio %d, err: %d\n",
 				dev->mach->gpio_vbus, retval);
-			return -EBUSY;
+			goto err_gpio_vbus;
 		}
 		gpio_direction_input(dev->mach->gpio_vbus);
 		vbus_irq = gpio_to_irq(dev->mach->gpio_vbus);
-		set_irq_type(vbus_irq, IRQT_BOTHEDGE);
 	} else
 		vbus_irq = 0;
 
@@ -2166,9 +2174,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 			dev_dbg(&pdev->dev,
 				"can't get pullup gpio %d, err: %d\n",
 				dev->mach->gpio_pullup, retval);
-			if (dev->mach->gpio_vbus)
-				gpio_free(dev->mach->gpio_vbus);
-			return -EBUSY;
+			goto err_gpio_pullup;
 		}
 		gpio_direction_output(dev->mach->gpio_pullup, 0);
 	}
@@ -2195,11 +2201,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 	if (retval != 0) {
 		printk(KERN_ERR "%s: can't get irq %d, err %d\n",
 			driver_name, irq, retval);
-		if (dev->mach->gpio_pullup)
-			gpio_free(dev->mach->gpio_pullup);
-		if (dev->mach->gpio_vbus)
-			gpio_free(dev->mach->gpio_vbus);
-		return -EBUSY;
+		goto err_irq1;
 	}
 	dev->got_irq = 1;
 
@@ -2213,12 +2215,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 			printk(KERN_ERR "%s: can't get irq %i, err %d\n",
 				driver_name, LUBBOCK_USB_DISC_IRQ, retval);
 lubbock_fail0:
-			free_irq(irq, dev);
-			if (dev->mach->gpio_pullup)
-				gpio_free(dev->mach->gpio_pullup);
-			if (dev->mach->gpio_vbus)
-				gpio_free(dev->mach->gpio_vbus);
-			return -EBUSY;
+			goto err_irq_lub;
 		}
 		retval = request_irq(LUBBOCK_USB_IRQ,
 				lubbock_vbus_irq,
@@ -2234,22 +2231,37 @@ lubbock_fail0:
 #endif
 	if (vbus_irq) {
 		retval = request_irq(vbus_irq, udc_vbus_irq,
-				IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+				IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 				driver_name, dev);
 		if (retval != 0) {
 			printk(KERN_ERR "%s: can't get irq %i, err %d\n",
 				driver_name, vbus_irq, retval);
-			free_irq(irq, dev);
-			if (dev->mach->gpio_pullup)
-				gpio_free(dev->mach->gpio_pullup);
-			if (dev->mach->gpio_vbus)
-				gpio_free(dev->mach->gpio_vbus);
-			return -EBUSY;
+			goto err_vbus_irq;
 		}
 	}
 	create_proc_files();
 
 	return 0;
+
+ err_vbus_irq:
+#ifdef	CONFIG_ARCH_LUBBOCK
+	free_irq(LUBBOCK_USB_DISC_IRQ, dev);
+ err_irq_lub:
+#endif
+	free_irq(irq, dev);
+ err_irq1:
+	if (dev->mach->gpio_pullup)
+		gpio_free(dev->mach->gpio_pullup);
+ err_gpio_pullup:
+	if (dev->mach->gpio_vbus)
+		gpio_free(dev->mach->gpio_vbus);
+ err_gpio_vbus:
+#ifdef	CONFIG_ARCH_PXA
+	clk_put(dev->clk);
+ err_clk:
+#endif
+	return retval;
 }
 
 static void pxa2xx_udc_shutdown(struct platform_device *_dev)
@@ -2284,6 +2296,10 @@ static int __exit pxa2xx_udc_remove(struct platform_device *pdev)
 	if (dev->mach->gpio_pullup)
 		gpio_free(dev->mach->gpio_pullup);
 
+#ifdef	CONFIG_ARCH_PXA
+	clk_put(dev->clk);
+#endif
+
 	platform_set_drvdata(pdev, NULL);
 	the_controller = NULL;
 	return 0;
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index 0e5d0e6fb0e2..1db46d705777 100644
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -125,6 +125,7 @@ struct pxa2xx_udc {
 	struct timer_list			timer;
 
 	struct device				*dev;
+	struct clk				*clk;
 	struct pxa2xx_udc_mach_info		*mach;
 	u64					dma_mask;
 	struct pxa2xx_ep			ep [PXA_UDC_NUM_ENDPOINTS];
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index a280a52f8efe..f9b12ab59642 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -37,6 +37,8 @@
 #include <linux/cpufreq.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/hardware.h>
 #include <asm/io.h>
@@ -506,15 +508,15 @@ static struct fb_ops pxafb_ops = {
  *
  * Factoring the 10^4 and 10^-12 out gives 10^-8 == 1 / 100000000 as used below.
  */
-static inline unsigned int get_pcd(unsigned int pixclock)
+static inline unsigned int get_pcd(struct pxafb_info *fbi, unsigned int pixclock)
 {
 	unsigned long long pcd;
 
 	/* FIXME: Need to take into account Double Pixel Clock mode
-         * (DPC) bit? or perhaps set it based on the various clock
-         * speeds */
-
-	pcd = (unsigned long long)get_lcdclk_frequency_10khz() * pixclock;
+	 * (DPC) bit? or perhaps set it based on the various clock
+	 * speeds */
+	pcd = (unsigned long long)(clk_get_rate(fbi->clk) / 10000);
+	pcd *= pixclock;
 	do_div(pcd, 100000000 * 2);
 	/* no need for this, since we should subtract 1 anyway. they cancel */
 	/* pcd += 1; */ /* make up for integer math truncations */
@@ -523,19 +525,21 @@ static inline unsigned int get_pcd(unsigned int pixclock)
 
 /*
  * Some touchscreens need hsync information from the video driver to
- * function correctly. We export it here.
+ * function correctly. We export it here.  Note that 'hsync_time' and
+ * the value returned from pxafb_get_hsync_time() is the *reciprocal*
+ * of the hsync period in seconds.
  */
 static inline void set_hsync_time(struct pxafb_info *fbi, unsigned int pcd)
 {
-	unsigned long long htime;
+	unsigned long htime;
 
 	if ((pcd == 0) || (fbi->fb.var.hsync_len == 0)) {
 		fbi->hsync_time=0;
 		return;
 	}
 
-	htime = (unsigned long long)get_lcdclk_frequency_10khz() * 10000;
-	do_div(htime, pcd * fbi->fb.var.hsync_len);
+	htime = clk_get_rate(fbi->clk) / (pcd * fbi->fb.var.hsync_len);
+
 	fbi->hsync_time = htime;
 }
 
@@ -560,7 +564,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info *
 {
 	struct pxafb_lcd_reg new_regs;
 	u_long flags;
-	u_int lines_per_panel, pcd = get_pcd(var->pixclock);
+	u_int lines_per_panel, pcd = get_pcd(fbi, var->pixclock);
 
 	pr_debug("pxafb: Configuring PXA LCD\n");
 
@@ -803,7 +807,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
 	pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3);
 
 	/* enable LCD controller clock */
-	pxa_set_cken(CKEN_LCD, 1);
+	clk_enable(fbi->clk);
 
 	/* Sequence from 11.7.10 */
 	LCCR3 = fbi->reg_lccr3;
@@ -840,7 +844,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
 	remove_wait_queue(&fbi->ctrlr_wait, &wait);
 
 	/* disable LCD controller clock */
-	pxa_set_cken(CKEN_LCD, 0);
+	clk_disable(fbi->clk);
 }
 
 /*
@@ -994,7 +998,7 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
 		break;
 
 	case CPUFREQ_POSTCHANGE:
-		pcd = get_pcd(fbi->fb.var.pixclock);
+		pcd = get_pcd(fbi, fbi->fb.var.pixclock);
 		set_hsync_time(fbi, pcd);
 		fbi->reg_lccr3 = (fbi->reg_lccr3 & ~0xff) | LCCR3_PixClkDiv(pcd);
 		set_ctrlr_state(fbi, C_ENABLE_CLKCHANGE);
@@ -1119,6 +1123,12 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
 	memset(fbi, 0, sizeof(struct pxafb_info));
 	fbi->dev = dev;
 
+	fbi->clk = clk_get(dev, "LCDCLK");
+	if (IS_ERR(fbi->clk)) {
+		kfree(fbi);
+		return NULL;
+	}
+
 	strcpy(fbi->fb.fix.id, PXA_NAME);
 
 	fbi->fb.fix.type	= FB_TYPE_PACKED_PIXELS;
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 7499a1c4bf79..f8605b807b0a 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -40,6 +40,7 @@ struct pxafb_dma_descriptor {
 struct pxafb_info {
 	struct fb_info		fb;
 	struct device		*dev;
+	struct clk		*clk;
 
 	/*
 	 * These are the addresses we mapped