Commit 578b36b6 authored by Gao, Yunpeng's avatar Gao, Yunpeng Committed by Ulf Hansson

mmc: sdhci-acpi: add probe_slot method for emmc/sd/sdio

Similar to sdhci-pci controller, also add probe_slot
and remove_slot method in the sdhci-acpi driver.
Signed-off-by: default avatarYunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: default avatarChuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f1b55a55
......@@ -67,6 +67,8 @@ struct sdhci_acpi_slot {
unsigned int caps2;
mmc_pm_flag_t pm_caps;
unsigned int flags;
int (*probe_slot)(struct platform_device *);
int (*remove_slot)(struct platform_device *);
};
struct sdhci_acpi_host {
......@@ -122,6 +124,51 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = {
.ops = &sdhci_acpi_ops_int,
};
static int sdhci_acpi_emmc_probe_slot(struct platform_device *pdev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct sdhci_host *host;
if (!c || !c->host)
return 0;
host = c->host;
/* Platform specific code during emmc proble slot goes here */
return 0;
}
static int sdhci_acpi_sdio_probe_slot(struct platform_device *pdev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct sdhci_host *host;
if (!c || !c->host)
return 0;
host = c->host;
/* Platform specific code during emmc proble slot goes here */
return 0;
}
static int sdhci_acpi_sd_probe_slot(struct platform_device *pdev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct sdhci_host *host;
if (!c || !c->host || !c->slot)
return 0;
host = c->host;
/* Platform specific code during emmc proble slot goes here */
return 0;
}
static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
.chip = &sdhci_acpi_chip_int,
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
......@@ -129,6 +176,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
.caps2 = MMC_CAP2_HC_ERASE_SZ,
.flags = SDHCI_ACPI_RUNTIME_PM,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.probe_slot = sdhci_acpi_emmc_probe_slot,
};
static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
......@@ -137,12 +185,14 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
.caps = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD,
.flags = SDHCI_ACPI_RUNTIME_PM,
.pm_caps = MMC_PM_KEEP_POWER,
.probe_slot = sdhci_acpi_sdio_probe_slot,
};
static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = {
.flags = SDHCI_ACPI_SD_CD | SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL |
SDHCI_ACPI_RUNTIME_PM,
.quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON,
.probe_slot = sdhci_acpi_sd_probe_slot,
};
struct sdhci_acpi_uid_slot {
......@@ -277,6 +327,11 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
}
if (c->slot) {
if (c->slot->probe_slot) {
err = c->slot->probe_slot(pdev);
if (err)
goto err_free;
}
if (c->slot->chip) {
host->ops = c->slot->chip->ops;
host->quirks |= c->slot->chip->quirks;
......@@ -334,6 +389,9 @@ static int sdhci_acpi_remove(struct platform_device *pdev)
pm_runtime_put_noidle(dev);
}
if (c->slot && c->slot->remove_slot)
c->slot->remove_slot(pdev);
dead = (sdhci_readl(c->host, SDHCI_INT_STATUS) == ~0);
sdhci_remove_host(c->host, dead);
sdhci_free_host(c->host);
......
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