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staging: mt7621-mmc: Remove unused field disable_cd_eirq

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The disable_cd_eirq() field of msdc_hw is never set and only once
checked for being non zero, so it is deleted.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Lütke-Stetzkamp
2018-04-18 17:27:23 +02:00
committed by Greg Kroah-Hartman
parent ce16cb8df4
commit e254adf415
2 changed files with 9 additions and 16 deletions
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3
drivers/staging/mt7621-mmc/board.h
View File

@@ -72,9 +72,6 @@ struct msdc_hw {
/* external sdio irq operations */
void (*enable_sdio_eirq)(void);
void (*disable_sdio_eirq)(void);
/* external cd irq operations */
void (*disable_cd_eirq)(void);
};
extern struct msdc_hw msdc0_hw;

22
drivers/staging/mt7621-mmc/sd.c
View File

@@ -2467,21 +2467,17 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
sdr_set_bits(MSDC_INTEN, MSDC_INTEN_CDSC);
sdr_set_bits(SDC_CFG, SDC_CFG_INSWKUP); /* not in document! Fix me */
} else {
if (hw->disable_cd_eirq) {
hw->disable_cd_eirq();
} else {
if (hw->config_gpio_pin) /* NULL */
hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN);
if (hw->config_gpio_pin) /* NULL */
hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN);
sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP);
sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN);
sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC);
sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP);
sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN);
sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC);
/* Here decreases a reference count to core power since card
* detection circuit is shutdown.
*/
//msdc_vcore_off(host);
}
/* Here decreases a reference count to core power since card
* detection circuit is shutdown.
*/
//msdc_vcore_off(host);
}
}