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net: wireless: bcmdhd: Set MMC_PM_KEEP_POWER flag on suspend

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Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt
2012-05-02 14:25:59 -07:00
parent d60ec08410
commit b7f01a5788
1 changed files with 17 additions and 0 deletions
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17
drivers/net/wireless/bcmdhd/bcmsdh_sdmmc_linux.c
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@@ -178,6 +178,8 @@ MODULE_DEVICE_TABLE(sdio, bcmsdh_sdmmc_ids);
static int bcmsdh_sdmmc_suspend(struct device *pdev)
{
struct sdio_func *func = dev_to_sdio_func(pdev);
mmc_pm_flag_t sdio_flags;
int ret;
if (func->num != 2)
return 0;
@@ -186,6 +188,21 @@ static int bcmsdh_sdmmc_suspend(struct device *pdev)
if (dhd_os_check_wakelock(bcmsdh_get_drvdata()))
return -EBUSY;
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
sd_err(("%s: can't keep power while host is suspended\n", __FUNCTION__));
return -EINVAL;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
sd_err(("%s: error while trying to keep power\n", __FUNCTION__));
return ret;
}
#if defined(OOB_INTR_ONLY)
bcmsdh_oob_intr_set(0);
#endif /* defined(OOB_INTR_ONLY) */