[PATCH 09/13] mmc: jz4740: Let the pinctrl driver configure the pins

Paul Cercueil
2017-01-17T23:14:17Z

Now that the JZ4740 and similar SoCs have a pinctrl driver, we rely on
the pins being properly configured before the driver probes.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
drivers/mmc/host/jz4740_mmc.c | 59 ++-----------------------------------------
1 file changed, 2 insertions(+), 57 deletions(-)

diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 819ad32964fc..28a8e0acd70a 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -27,7 +27,6 @@

#include <linux/bitops.h>
#include <linux/gpio.h>
-#include <asm/mach-jz4740/gpio.h>
#include <asm/cacheflush.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
@@ -906,15 +905,6 @@ static const struct mmc_host_ops jz4740_mmc_ops = {
.enable_sdio_irq = jz4740_mmc_enable_sdio_irq,
};

-static const struct jz_gpio_bulk_request jz4740_mmc_pins[] = {
- JZ_GPIO_BULK_PIN(MSC_CMD),
- JZ_GPIO_BULK_PIN(MSC_CLK),
- JZ_GPIO_BULK_PIN(MSC_DATA0),
- JZ_GPIO_BULK_PIN(MSC_DATA1),
- JZ_GPIO_BULK_PIN(MSC_DATA2),
- JZ_GPIO_BULK_PIN(MSC_DATA3),
-};
-
static int jz4740_mmc_request_gpio(struct device *dev, int gpio,
const char *name, bool output, int value)
{
@@ -978,15 +968,6 @@ static void jz4740_mmc_free_gpios(struct platform_device *pdev)
gpio_free(pdata->gpio_power);
}

-static inline size_t jz4740_mmc_num_pins(struct jz4740_mmc_host *host)
-{
- size_t num_pins = ARRAY_SIZE(jz4740_mmc_pins);
- if (host->pdata && host->pdata->data_1bit)
- num_pins -= 3;
-
- return num_pins;
-}
-
static int jz4740_mmc_probe(struct platform_device* pdev)
{
int ret;
@@ -1027,15 +1008,9 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
goto err_free_host;
}

- ret = jz_gpio_bulk_request(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
- if (ret) {
- dev_err(&pdev->dev, "Failed to request mmc pins: %d\n", ret);
- goto err_free_host;
- }
-
ret = jz4740_mmc_request_gpios(mmc, pdev);
if (ret)
- goto err_gpio_bulk_free;
+ goto err_release_dma;

mmc->ops = &jz4740_mmc_ops;
mmc->f_min = JZ_MMC_CLK_RATE / 128;
@@ -1091,10 +1066,9 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
free_irq(host->irq, host);
err_free_gpios:
jz4740_mmc_free_gpios(pdev);
-err_gpio_bulk_free:
+err_release_dma:
if (host->use_dma)
jz4740_mmc_release_dma_channels(host);
- jz_gpio_bulk_free(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
err_free_host:
mmc_free_host(mmc);

@@ -1114,7 +1088,6 @@ static int jz4740_mmc_remove(struct platform_device *pdev)
free_irq(host->irq, host);

jz4740_mmc_free_gpios(pdev);
- jz_gpio_bulk_free(jz4740_mmc_pins, jz4740_mmc_num_pins(host));

if (host->use_dma)
jz4740_mmc_release_dma_channels(host);
@@ -1124,39 +1097,11 @@ static int jz4740_mmc_remove(struct platform_device *pdev)
return 0;
}

-#ifdef CONFIG_PM_SLEEP
-
-static int jz4740_mmc_suspend(struct device *dev)
-{
- struct jz4740_mmc_host *host = dev_get_drvdata(dev);
-
- jz_gpio_bulk_suspend(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
-
- return 0;
-}
-
-static int jz4740_mmc_resume(struct device *dev)
-{
- struct jz4740_mmc_host *host = dev_get_drvdata(dev);
-
- jz_gpio_bulk_resume(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
-
- return 0;
-}
-
-static SIMPLE_DEV_PM_OPS(jz4740_mmc_pm_ops, jz4740_mmc_suspend,
- jz4740_mmc_resume);
-#define JZ4740_MMC_PM_OPS (&jz4740_mmc_pm_ops)
-#else
-#define JZ4740_MMC_PM_OPS NULL
-#endif
-
static struct platform_driver jz4740_mmc_driver = {
.probe = jz4740_mmc_probe,
.remove = jz4740_mmc_remove,
.driver = {
.name = "jz4740-mmc",
- .pm = JZ4740_MMC_PM_OPS,
},
};

--
2.11.0