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pinctrl: samsung: Add support for SoC-specific suspend/resume callbacks

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SoC-specific driver might require additional save and restore of
registers. This patch adds pair of SoC-specific callbacks per pinctrl
device to account for this.

Signed-off-by: Tomasz Figa <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Tested-by: Doug Anderson <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Tomasz Figa 2013-05-17 18:24:30 +02:00 • committed by Linus Walleij
commit 21c219933f
2 changed files with 9 additions and 0 deletions
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6
drivers/pinctrl/pinctrl-samsung.c
View file

@ -1010,6 +1010,9 @@ static void samsung_pinctrl_suspend_dev(
reg, bank->pm_save[PINCFG_TYPE_FUNC]);
}
}
if (ctrl->suspend)
ctrl->suspend(drvdata);
}
/**
@ -1026,6 +1029,9 @@ static void samsung_pinctrl_resume_dev(struct samsung_pinctrl_drv_data *drvdata)
void __iomem *virt_base = drvdata->virt_base;
int i;
if (ctrl->resume)
ctrl->resume(drvdata);
for (i = 0; i < ctrl->nr_banks; i++) {
struct samsung_pin_bank *bank = &ctrl->pin_banks[i];
void __iomem *reg = virt_base + bank->pctl_offset;

3
drivers/pinctrl/pinctrl-samsung.h
View file

@ -187,6 +187,9 @@ struct samsung_pin_ctrl {
int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *);
int (*eint_wkup_init)(struct samsung_pinctrl_drv_data *);
void (*suspend)(struct samsung_pinctrl_drv_data *);
void (*resume)(struct samsung_pinctrl_drv_data *);
char *label;
};