qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-29 09:09:53 +02:00
Code

jz-mmc: Put functions pins to high-z during suspend.

Browse Source
This commit is contained in:
Lars-Peter Clausen 2009-12-02 04:17:50 +01:00
parent 3ae48ccb8c
commit c9674c3ab7
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
target/linux/xburst/files-2.6.31/drivers/mmc/host/jz_mmc.c
View File

@ -815,17 +815,27 @@ static int jz4740_mmc_remove(struct platform_device *pdev)
static int jz4740_mmc_suspend(struct device *dev) static int jz4740_mmc_suspend(struct device *dev)
{ {
struct jz4740_mmc_host *host = dev_get_drvdata(dev); struct jz4740_mmc_host *host = dev_get_drvdata(dev);
struct jz4740_mmc_platform_data *pdata = host->pdata;
/* TODO: Set gpio pins to high Z */
mmc_suspend_host(host->mmc, PMSG_SUSPEND); mmc_suspend_host(host->mmc, PMSG_SUSPEND);
if (pdata && pdata->data_1bit)
jz_gpio_bulk_suspend(jz4740_mmc_pins, ARRAY_SIZE(jz4740_mmc_pins) - 3);
else
jz_gpio_bulk_suspend(jz4740_mmc_pins, ARRAY_SIZE(jz4740_mmc_pins));
return 0; return 0;
} }
static int jz4740_mmc_resume(struct device *dev) static int jz4740_mmc_resume(struct device *dev)
{ {
struct jz4740_mmc_host *host = dev_get_drvdata(dev); struct jz4740_mmc_host *host = dev_get_drvdata(dev);
struct jz4740_mmc_platform_data *pdata = host->pdata;
if (pdata && pdata->data_1bit)
jz_gpio_bulk_resume(jz4740_mmc_pins, ARRAY_SIZE(jz4740_mmc_pins) - 3);
else
jz_gpio_bulk_resume(jz4740_mmc_pins, ARRAY_SIZE(jz4740_mmc_pins));
mmc_resume_host(host->mmc); mmc_resume_host(host->mmc);