Commit 15e8a8e4 authored by Chris Ball's avatar Chris Ball

mmc: slot-gpio: Fix missing assignment to ctx->ro_gpio

mmc_gpio_request_ro() doesn't store the requested gpio in ctx->ro_gpio.
As a result, subsequent calls to mmc_gpio_get_ro() will always fail
with -ENOSYS because the gpio number isn't available to that function.

Cc: stable <stable@vger.kernel.org>
Acked-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 0d4de8f5
...@@ -100,7 +100,13 @@ int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio) ...@@ -100,7 +100,13 @@ int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio)
ctx = host->slot.handler_priv; ctx = host->slot.handler_priv;
return gpio_request_one(gpio, GPIOF_DIR_IN, ctx->ro_label); ret = gpio_request_one(gpio, GPIOF_DIR_IN, ctx->ro_label);
if (ret < 0)
return ret;
ctx->ro_gpio = gpio;
return 0;
} }
EXPORT_SYMBOL(mmc_gpio_request_ro); EXPORT_SYMBOL(mmc_gpio_request_ro);
......
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