diff options
| author | Shawn Guo | 2012-09-16 16:54:30 +0800 |
|---|---|---|
| committer | Shawn Guo | 2012-10-15 10:05:41 +0800 |
| commit | 7f917a8df68985aa38a90b7110b5f42bfa0d7cda (patch) | |
| tree | 1b7f0449267b5f573ccf0b51df0616a4f5533159 /drivers/mmc/host | |
| parent | 27b76486a3e5be1cfd19dc59452e4185c5d43dff (diff) | |
mmc: mxcmmc: remove cpu_is_xxx by using platform_device_id
It changes the driver to use platform_device_id rather than cpu_is_xxx
to determine the controller type, and updates the platform code
accordingly.
As the result, mach/hardware.h inclusion gets removed from the driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Chris Ball <cjb@laptop.org>
Tested-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: linux-mmc@vger.kernel.org
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/mxcmmc.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 565c2e4fac75..d735ba913f9b 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -41,7 +41,6 @@ #include <linux/platform_data/mmc-mxcmmc.h> #include <linux/platform_data/dma-imx.h> -#include <mach/hardware.h> #define DRIVER_NAME "mxc-mmc" #define MXCMCI_TIMEOUT_MS 10000 @@ -113,6 +112,11 @@ #define INT_WRITE_OP_DONE_EN (1 << 1) #define INT_READ_OP_EN (1 << 0) +enum mxcmci_type { + IMX21_MMC, + IMX31_MMC, +}; + struct mxcmci_host { struct mmc_host *mmc; struct resource *res; @@ -153,7 +157,26 @@ struct mxcmci_host { struct imx_dma_data dma_data; struct timer_list watchdog; + enum mxcmci_type devtype; +}; + +static struct platform_device_id mxcmci_devtype[] = { + { + .name = "imx21-mmc", + .driver_data = IMX21_MMC, + }, { + .name = "imx31-mmc", + .driver_data = IMX31_MMC, + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, mxcmci_devtype); + +static inline int is_imx31_mmc(struct mxcmci_host *host) +{ + return host->devtype == IMX31_MMC; +} static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios); @@ -843,6 +866,8 @@ static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable) static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card) { + struct mxcmci_host *mxcmci = mmc_priv(host); + /* * MX3 SoCs have a silicon bug which corrupts CRC calculation of * multi-block transfers when connected SDIO peripheral doesn't @@ -850,7 +875,7 @@ static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card) * One way to prevent this is to only allow 1-bit transfers. */ - if (cpu_is_mx3() && card->type == MMC_TYPE_SDIO) + if (is_imx31_mmc(mxcmci) && card->type == MMC_TYPE_SDIO) host->caps &= ~MMC_CAP_4_BIT_DATA; else host->caps |= MMC_CAP_4_BIT_DATA; @@ -948,6 +973,7 @@ static int mxcmci_probe(struct platform_device *pdev) host->mmc = mmc; host->pdata = pdev->dev.platform_data; + host->devtype = pdev->id_entry->driver_data; spin_lock_init(&host->lock); mxcmci_init_ocr(host); @@ -1120,6 +1146,7 @@ static const struct dev_pm_ops mxcmci_pm_ops = { static struct platform_driver mxcmci_driver = { .probe = mxcmci_probe, .remove = mxcmci_remove, + .id_table = mxcmci_devtype, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, |