summaryrefslogtreecommitdiffstats
path: root/drivers/mmc/core/pwrseq_sd8787.c
diff options
context:
space:
mode:
authorThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
commitde8a334f215c5a5c5bb070df4325af824d7eaaf1 (patch)
treeb1106ab401a46ce66725f61a7d1b067e9a08f859 /drivers/mmc/core/pwrseq_sd8787.c
parentdrm: Remove struct drm_driver.gem_prime_mmap (diff)
parentMerge tag 'drm-msm-next-2023-06-18' of https://gitlab.freedesktop.org/drm/msm... (diff)
downloadlinux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.tar.xz
linux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.zip
Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get commit 2c1c7ba457d4 ("drm/amdgpu: support partition drm devices"), which is required to fix commit 0adec22702d4 ("drm: Remove struct drm_driver.gem_prime_mmap"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/mmc/core/pwrseq_sd8787.c')
-rw-r--r--drivers/mmc/core/pwrseq_sd8787.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/mmc/core/pwrseq_sd8787.c b/drivers/mmc/core/pwrseq_sd8787.c
index 2e120ad83020..0c5f5e371e1f 100644
--- a/drivers/mmc/core/pwrseq_sd8787.c
+++ b/drivers/mmc/core/pwrseq_sd8787.c
@@ -28,7 +28,6 @@ struct mmc_pwrseq_sd8787 {
struct mmc_pwrseq pwrseq;
struct gpio_desc *reset_gpio;
struct gpio_desc *pwrdn_gpio;
- u32 reset_pwrdwn_delay_ms;
};
#define to_pwrseq_sd8787(p) container_of(p, struct mmc_pwrseq_sd8787, pwrseq)
@@ -39,7 +38,7 @@ static void mmc_pwrseq_sd8787_pre_power_on(struct mmc_host *host)
gpiod_set_value_cansleep(pwrseq->reset_gpio, 1);
- msleep(pwrseq->reset_pwrdwn_delay_ms);
+ msleep(300);
gpiod_set_value_cansleep(pwrseq->pwrdn_gpio, 1);
}
@@ -51,17 +50,37 @@ static void mmc_pwrseq_sd8787_power_off(struct mmc_host *host)
gpiod_set_value_cansleep(pwrseq->reset_gpio, 0);
}
+static void mmc_pwrseq_wilc1000_pre_power_on(struct mmc_host *host)
+{
+ struct mmc_pwrseq_sd8787 *pwrseq = to_pwrseq_sd8787(host->pwrseq);
+
+ /* The pwrdn_gpio is really CHIP_EN, reset_gpio is RESETN */
+ gpiod_set_value_cansleep(pwrseq->pwrdn_gpio, 1);
+ msleep(5);
+ gpiod_set_value_cansleep(pwrseq->reset_gpio, 1);
+}
+
+static void mmc_pwrseq_wilc1000_power_off(struct mmc_host *host)
+{
+ struct mmc_pwrseq_sd8787 *pwrseq = to_pwrseq_sd8787(host->pwrseq);
+
+ gpiod_set_value_cansleep(pwrseq->reset_gpio, 0);
+ gpiod_set_value_cansleep(pwrseq->pwrdn_gpio, 0);
+}
+
static const struct mmc_pwrseq_ops mmc_pwrseq_sd8787_ops = {
.pre_power_on = mmc_pwrseq_sd8787_pre_power_on,
.power_off = mmc_pwrseq_sd8787_power_off,
};
-static const u32 sd8787_delay_ms = 300;
-static const u32 wilc1000_delay_ms = 5;
+static const struct mmc_pwrseq_ops mmc_pwrseq_wilc1000_ops = {
+ .pre_power_on = mmc_pwrseq_wilc1000_pre_power_on,
+ .power_off = mmc_pwrseq_wilc1000_power_off,
+};
static const struct of_device_id mmc_pwrseq_sd8787_of_match[] = {
- { .compatible = "mmc-pwrseq-sd8787", .data = &sd8787_delay_ms },
- { .compatible = "mmc-pwrseq-wilc1000", .data = &wilc1000_delay_ms },
+ { .compatible = "mmc-pwrseq-sd8787", .data = &mmc_pwrseq_sd8787_ops },
+ { .compatible = "mmc-pwrseq-wilc1000", .data = &mmc_pwrseq_wilc1000_ops },
{/* sentinel */},
};
MODULE_DEVICE_TABLE(of, mmc_pwrseq_sd8787_of_match);
@@ -77,7 +96,6 @@ static int mmc_pwrseq_sd8787_probe(struct platform_device *pdev)
return -ENOMEM;
match = of_match_node(mmc_pwrseq_sd8787_of_match, pdev->dev.of_node);
- pwrseq->reset_pwrdwn_delay_ms = *(u32 *)match->data;
pwrseq->pwrdn_gpio = devm_gpiod_get(dev, "powerdown", GPIOD_OUT_LOW);
if (IS_ERR(pwrseq->pwrdn_gpio))
@@ -88,7 +106,7 @@ static int mmc_pwrseq_sd8787_probe(struct platform_device *pdev)
return PTR_ERR(pwrseq->reset_gpio);
pwrseq->pwrseq.dev = dev;
- pwrseq->pwrseq.ops = &mmc_pwrseq_sd8787_ops;
+ pwrseq->pwrseq.ops = match->data;
pwrseq->pwrseq.owner = THIS_MODULE;
platform_set_drvdata(pdev, pwrseq);