lisa/android_kernel_xiaomi_sm8350
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Merge "mmc: sdhci-msm: Reset SDIO cards during probe by toggling wlan_en pin"

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qctecmdr 2021-06-07 21:07:30 -07:00 committed by Gerrit - the friendly Code Review server
commit e319415478
1 changed files with 8 additions and 0 deletions
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8
drivers/mmc/host/sdhci-msm.c
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@ -20,6 +20,7 @@
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/reset.h>
#include <linux/pinctrl/consumer.h>
#include "sdhci-pltfm.h"
#include "cqhci.h"
@ -4379,6 +4380,13 @@ static int sdhci_msm_probe(struct platform_device *pdev)
}
}
/* Toggle wlan_en pin to reset SDIO card to correct state */
if (host->mmc->pm_caps & MMC_PM_KEEP_POWER) {
pinctrl_pm_select_sleep_state(&pdev->dev);
mdelay(1);
pinctrl_pm_select_default_state(&pdev->dev);
}
/* Reset the vendor spec register to power on reset state */
writel_relaxed(CORE_VENDOR_SPEC_POR_VAL,
host->ioaddr + msm_offset->core_vendor_spec);