A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mmc: core: cd_label must be last entry of mmc_gpio struct

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commit bfd694d5e2 ("mmc: core: Add tunable delay
before detecting card after card is inserted") adds
"u32 cd_debounce_delay_ms" to the last of mmc_gpio
struct and cause "char cd_label[0]" NOT work as string
pointer of card detect label, when "cat /proc/interrupts",
the devname for card detect gpio is incorrect as below:

144:          0  gpio-mxc  22 Edge      ▒
161:          0  gpio-mxc   7 Edge      ▒

Move the cd_label field down to fix this, and drop the
zero from the array size to prevent future similar bugs,
the result is correct as below:

144:          0  gpio-mxc  22 Edge      2198000.mmc cd
161:          0  gpio-mxc   7 Edge      2190000.mmc cd

Fixes: bfd694d5e2 ("mmc: core: Add tunable delay before detecting card after card is inserted")
Signed-off-by: Anson Huang <[email protected]>
Tested-by: Fabio Estevam <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
This commit is contained in:
Anson Huang 2018-07-02 09:27:47 +08:00 • committed by Ulf Hansson
commit 60feca8f59
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/core/slot-gpio.c
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@ -27,8 +27,8 @@ struct mmc_gpio {
bool override_cd_active_level;
irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id);
char *ro_label;
char cd_label[0];
u32 cd_debounce_delay_ms;
char cd_label[];
};
static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)