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mmc: sdhci: Deduplicate sdhci_get_cd_nogpio()

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The analogue of the sdhci_get_cd_nogpio() is used in the sdhci-pci-core
and sdhci-acpi modules. Deduplicate it by moving to sdhci and exporting.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20211014132613.27861-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Andy Shevchenko 2021-10-14 16:26:09 +03:00 committed by Ulf Hansson
parent 0eab756f88
commit 2caa11bc2d
4 changed files with 21 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/mmc/host/sdhci-acpi.c
View File

@ -362,23 +362,11 @@ static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev)
static int bxt_get_cd(struct mmc_host *mmc)
{
int gpio_cd = mmc_gpio_get_cd(mmc);
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
int ret = 0;
if (!gpio_cd)
return 0;
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD)
goto out;
ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
out:
spin_unlock_irqrestore(&host->lock, flags);
return ret;
return sdhci_get_cd_nogpio(mmc);
}
static int intel_probe_slot(struct platform_device *pdev, struct acpi_device *adev)

18
drivers/mmc/host/sdhci-pci-core.c
View File

@ -616,24 +616,6 @@ static int intel_select_drive_strength(struct mmc_card *card,
return intel_host->drv_strength;
}
static int sdhci_get_cd_nogpio(struct mmc_host *mmc)
{
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD)
goto out;
ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
out:
spin_unlock_irqrestore(&host->lock, flags);
return ret;
}
static int bxt_get_cd(struct mmc_host *mmc)
{
int gpio_cd = mmc_gpio_get_cd(mmc);

19
drivers/mmc/host/sdhci.c
View File

@ -2425,6 +2425,25 @@ static int sdhci_get_cd(struct mmc_host *mmc)
return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
}
int sdhci_get_cd_nogpio(struct mmc_host *mmc)
{
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD)
goto out;
ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
out:
spin_unlock_irqrestore(&host->lock, flags);
return ret;
}
EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
static int sdhci_check_ro(struct sdhci_host *host)
{
unsigned long flags;

1
drivers/mmc/host/sdhci.h
View File

@ -775,6 +775,7 @@ void sdhci_set_power_and_bus_voltage(struct sdhci_host *host,
unsigned short vdd);
void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
unsigned short vdd);
int sdhci_get_cd_nogpio(struct mmc_host *mmc);
void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq);
int sdhci_request_atomic(struct mmc_host *mmc, struct mmc_request *mrq);
void sdhci_set_bus_width(struct sdhci_host *host, int width);