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mmc: sdhci-msm: skip eMMC slot probe if eMMC isn't a bootdevice

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If eMMC is not a primary bootdevice, there isn't any point of probing
eMMC device hence disable the probing in such case.

Change-Id: I67a025606b03bb3cc21e818c2b4b519aa2b53888
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>
This commit is contained in:
Sarthak Garg 2020-08-07 17:02:52 +05:30
parent e288b5efd1
commit 5827a3e53d
1 changed files with 19 additions and 0 deletions
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19
drivers/mmc/host/sdhci-msm.c
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@ -436,6 +436,18 @@ struct sdhci_msm_host {
u32 pm_qos_delay;
};
#define ANDROID_BOOT_DEV_MAX 30
static char android_boot_dev[ANDROID_BOOT_DEV_MAX];
#ifndef MODULE
static int __init get_android_boot_dev(char *str)
{
strlcpy(android_boot_dev, str, ANDROID_BOOT_DEV_MAX);
return 1;
}
__setup("androidboot.bootdevice=", get_android_boot_dev);
#endif
static struct sdhci_msm_host *sdhci_slot[2];
static int sdhci_msm_update_qos_constraints(struct qos_cpu_group *qcg,
@ -3552,6 +3564,13 @@ static int sdhci_msm_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "get slot index failed %d\n", ret);
else if (ret <= 2)
sdhci_slot[ret-1] = msm_host;
if (of_property_read_bool(dev->of_node, "non-removable") &&
strlen(android_boot_dev) &&
strcmp(android_boot_dev, dev_name(dev))) {
ret = -ENODEV;
goto pltfm_free;
}
}
/*