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path: root/drivers/mmc
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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sh_mmcif.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index d6ffb0557537..6a93b0466854 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -942,6 +942,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
}
if (host->power) {
pm_runtime_put(&host->pd->dev);
+ clk_disable(host->hclk);
host->power = false;
if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
p->down_pwr(host->pd);
@@ -954,6 +955,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (!host->power) {
if (p->set_pwr)
p->set_pwr(host->pd, ios->power_mode);
+ clk_enable(host->hclk);
pm_runtime_get_sync(&host->pd->dev);
host->power = true;
sh_mmcif_sync_reset(host);
@@ -1278,22 +1280,11 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
host->addr = reg;
host->timeout = 1000;
- snprintf(clk_name, sizeof(clk_name), "mmc%d", pdev->id);
- host->hclk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(host->hclk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- ret = PTR_ERR(host->hclk);
- goto eclkget;
- }
- clk_enable(host->hclk);
- host->clk = clk_get_rate(host->hclk);
host->pd = pdev;
spin_lock_init(&host->lock);
mmc->ops = &sh_mmcif_ops;
- mmc->f_max = host->clk / 2;
- mmc->f_min = host->clk / 512;
if (pd->ocr)
mmc->ocr_avail = pd->ocr;
mmc->caps = MMC_CAP_MMC_HIGHSPEED;
@@ -1305,18 +1296,30 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
mmc->max_blk_count = mmc->max_req_size / mmc->max_blk_size;
mmc->max_seg_size = mmc->max_req_size;
- sh_mmcif_sync_reset(host);
platform_set_drvdata(pdev, host);
pm_runtime_enable(&pdev->dev);
host->power = false;
+ snprintf(clk_name, sizeof(clk_name), "mmc%d", pdev->id);
+ host->hclk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(host->hclk)) {
+ ret = PTR_ERR(host->hclk);
+ dev_err(&pdev->dev, "cannot get clock \"%s\": %d\n", clk_name, ret);
+ goto eclkget;
+ }
+ clk_enable(host->hclk);
+ host->clk = clk_get_rate(host->hclk);
+ mmc->f_max = host->clk / 2;
+ mmc->f_min = host->clk / 512;
+
ret = pm_runtime_resume(&pdev->dev);
if (ret < 0)
goto eresume;
INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work);
+ sh_mmcif_sync_reset(host);
sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
ret = request_threaded_irq(irq[0], sh_mmcif_intr, sh_mmcif_irqt, 0, "sh_mmc:error", host);
@@ -1330,6 +1333,7 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
goto ereqirq1;
}
+ clk_disable(host->hclk);
ret = mmc_add_host(mmc);
if (ret < 0)
goto emmcaddh;
@@ -1348,9 +1352,10 @@ ereqirq1:
ereqirq0:
pm_runtime_suspend(&pdev->dev);
eresume:
- pm_runtime_disable(&pdev->dev);
clk_disable(host->hclk);
+ clk_put(host->hclk);
eclkget:
+ pm_runtime_disable(&pdev->dev);
mmc_free_host(mmc);
ealloch:
iounmap(reg);
@@ -1363,6 +1368,7 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
int irq[2];
host->dying = true;
+ clk_enable(host->hclk);
pm_runtime_get_sync(&pdev->dev);
dev_pm_qos_hide_latency_limit(&pdev->dev);
@@ -1388,9 +1394,9 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- clk_disable(host->hclk);
mmc_free_host(host->mmc);
pm_runtime_put_sync(&pdev->dev);
+ clk_disable(host->hclk);
pm_runtime_disable(&pdev->dev);
return 0;
@@ -1399,24 +1405,18 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int sh_mmcif_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct sh_mmcif_host *host = platform_get_drvdata(pdev);
+ struct sh_mmcif_host *host = dev_get_drvdata(dev);
int ret = mmc_suspend_host(host->mmc);
- if (!ret) {
+ if (!ret)
sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
- clk_disable(host->hclk);
- }
return ret;
}
static int sh_mmcif_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct sh_mmcif_host *host = platform_get_drvdata(pdev);
-
- clk_enable(host->hclk);
+ struct sh_mmcif_host *host = dev_get_drvdata(dev);
return mmc_resume_host(host->mmc);
}