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path: root/drivers/mmc/core/slot-gpio.c
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Diffstat (limited to 'drivers/mmc/core/slot-gpio.c')
-rw-r--r--drivers/mmc/core/slot-gpio.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 31f7dbb15668..56559351d2e1 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -28,15 +28,17 @@ struct mmc_gpio {
irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id);
char *ro_label;
char cd_label[0];
+ u32 cd_debounce_delay_ms;
};
static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
{
/* Schedule a card detection after a debounce timeout */
struct mmc_host *host = dev_id;
+ struct mmc_gpio *ctx = host->slot.handler_priv;
host->trigger_card_event = true;
- mmc_detect_change(host, msecs_to_jiffies(200));
+ mmc_detect_change(host, msecs_to_jiffies(ctx->cd_debounce_delay_ms));
return IRQ_HANDLED;
}
@@ -49,6 +51,7 @@ int mmc_gpio_alloc(struct mmc_host *host)
if (ctx) {
ctx->ro_label = ctx->cd_label + len;
+ ctx->cd_debounce_delay_ms = 200;
snprintf(ctx->cd_label, len, "%s cd", dev_name(host->parent));
snprintf(ctx->ro_label, len, "%s ro", dev_name(host->parent));
host->slot.handler_priv = ctx;
@@ -261,7 +264,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
if (debounce) {
ret = gpiod_set_debounce(desc, debounce);
if (ret < 0)
- return ret;
+ ctx->cd_debounce_delay_ms = debounce;
}
if (gpio_invert)