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authorKevin Liu <kliu5@marvell.com>2013-03-25 17:42:58 +0800
committerChris Ball <cjb@laptop.org>2013-04-04 09:59:12 -0400
commit943647f6fe3aa7217d13cacac830c88455a88326 (patch)
tree40f16214e8f69e4470b60a577bda182a44607649 /drivers/mmc/host
parentc844a46f135e493ffda0bd770e16f6c3dd6c7eb7 (diff)
downloadvexpress-lsk-943647f6fe3aa7217d13cacac830c88455a88326.tar.gz
mmc: sdhci-pxav3: enhance device tree parser code
1. seperate device tree parsing from platform data handling which can make further work easy when platform data can be removed. 2. add calling mmc_of_parse which can parse more of property and pxav3_get_mmc_pdata can be shrinked a lot. Signed-off-by: Kevin Liu <kliu5@marvell.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/sdhci-pxav3.c24
1 files changed, 5 insertions, 19 deletions
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index 56d6a2e3194..fb0d23c148e 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -195,29 +195,16 @@ static struct sdhci_pxa_platdata *pxav3_get_mmc_pdata(struct device *dev)
{
struct sdhci_pxa_platdata *pdata;
struct device_node *np = dev->of_node;
- u32 bus_width;
u32 clk_delay_cycles;
- enum of_gpio_flags gpio_flags;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return NULL;
- if (of_find_property(np, "non-removable", NULL))
- pdata->flags |= PXA_FLAG_CARD_PERMANENT;
-
- of_property_read_u32(np, "bus-width", &bus_width);
- if (bus_width == 8)
- pdata->flags |= PXA_FLAG_SD_8_BIT_CAPABLE_SLOT;
-
of_property_read_u32(np, "mrvl,clk-delay-cycles", &clk_delay_cycles);
if (clk_delay_cycles > 0)
pdata->clk_delay_cycles = clk_delay_cycles;
- pdata->ext_cd_gpio = of_get_named_gpio_flags(np, "cd-gpios", 0, &gpio_flags);
- if (gpio_flags != OF_GPIO_ACTIVE_LOW)
- pdata->host_caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
-
return pdata;
}
#else
@@ -264,10 +251,11 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
host->mmc->caps |= MMC_CAP_1_8V_DDR;
match = of_match_device(of_match_ptr(sdhci_pxav3_of_match), &pdev->dev);
- if (match)
+ if (match) {
+ mmc_of_parse(host->mmc);
+ sdhci_get_of_property(pdev);
pdata = pxav3_get_mmc_pdata(dev);
-
- if (pdata) {
+ } else if (pdata) {
/* on-chip device */
if (pdata->flags & PXA_FLAG_CARD_PERMANENT)
host->mmc->caps |= MMC_CAP_NONREMOVABLE;
@@ -297,8 +285,6 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
}
}
- sdhci_get_of_property(pdev);
-
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, PXAV3_RPM_DELAY_MS);
@@ -316,7 +302,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, host);
- if (pdata->pm_caps & MMC_PM_KEEP_POWER) {
+ if (host->mmc->pm_caps & MMC_PM_KEEP_POWER) {
device_init_wakeup(&pdev->dev, 1);
host->mmc->pm_flags |= MMC_PM_WAKE_SDIO_IRQ;
} else {