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sdhci: Add sdhci_deferred_probe() API

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Add the sdhci_deferred_probe() function to register as the
deferred_probe() callback to the mmc core. It will in turn call the
deferred_probe() callback of the platform drivers as declared in the
sdhci_ops.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
This commit is contained in:
Faiz Abbas 2020-02-26 13:44:31 +05:30 committed by Peng Fan
parent 32860bdbc1
commit cb884347f4
2 changed files with 16 additions and 0 deletions
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15
drivers/mmc/sdhci.c
View File

@ -658,6 +658,20 @@ int sdhci_probe(struct udevice *dev)
return sdhci_init(mmc);
}
static int sdhci_deferred_probe(struct udevice *dev)
{
int err;
struct mmc *mmc = mmc_get_mmc_dev(dev);
struct sdhci_host *host = mmc->priv;
if (host->ops && host->ops->deferred_probe) {
err = host->ops->deferred_probe(host);
if (err)
return err;
}
return 0;
}
static int sdhci_get_cd(struct udevice *dev)
{
struct mmc *mmc = mmc_get_mmc_dev(dev);
@ -692,6 +706,7 @@ const struct dm_mmc_ops sdhci_ops = {
.send_cmd = sdhci_send_command,
.set_ios = sdhci_set_ios,
.get_cd = sdhci_get_cd,
.deferred_probe = sdhci_deferred_probe,
#ifdef MMC_SUPPORTS_TUNING
.execute_tuning = sdhci_execute_tuning,
#endif

1
include/sdhci.h
View File

@ -268,6 +268,7 @@ struct sdhci_ops {
void (*set_clock)(struct sdhci_host *host, u32 div);
int (*platform_execute_tuning)(struct mmc *host, u8 opcode);
void (*set_delay)(struct sdhci_host *host);
int (*deferred_probe)(struct sdhci_host *host);
};
#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)