diff options
| author | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-04-28 13:13:02 +0000 |
|---|---|---|
| committer | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-04-28 13:13:02 +0000 |
| commit | 868d3c634562cdc06bdac3f4110455cb36b6bffc (patch) | |
| tree | b6fb30268605947947f04f1b2010e7e1bc2b55df /drivers/gpio | |
| parent | f5b1a0c923d04cd49158bfb94fcfc5273474c076 (diff) | |
| parent | 19bfeb47e96bb342d8c43a8ba0e68baf053b0dfc (diff) | |
Merge tag 'v5.4.115' into 5.4-2.3.x-imx
This is the 5.4.115 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index d0f27084a942..ce6954390cfd 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -29,6 +29,7 @@ #define OMAP4_GPIO_DEBOUNCINGTIME_MASK 0xFF struct gpio_regs { + u32 sysconfig; u32 irqenable1; u32 irqenable2; u32 wake_en; @@ -1058,6 +1059,7 @@ static void omap_gpio_init_context(struct gpio_bank *p) const struct omap_gpio_reg_offs *regs = p->regs; void __iomem *base = p->base; + p->context.sysconfig = readl_relaxed(base + regs->sysconfig); p->context.ctrl = readl_relaxed(base + regs->ctrl); p->context.oe = readl_relaxed(base + regs->direction); p->context.wake_en = readl_relaxed(base + regs->wkup_en); @@ -1077,6 +1079,7 @@ static void omap_gpio_restore_context(struct gpio_bank *bank) const struct omap_gpio_reg_offs *regs = bank->regs; void __iomem *base = bank->base; + writel_relaxed(bank->context.sysconfig, base + regs->sysconfig); writel_relaxed(bank->context.wake_en, base + regs->wkup_en); writel_relaxed(bank->context.ctrl, base + regs->ctrl); writel_relaxed(bank->context.leveldetect0, base + regs->leveldetect0); @@ -1104,6 +1107,10 @@ static void omap_gpio_idle(struct gpio_bank *bank, bool may_lose_context) bank->saved_datain = readl_relaxed(base + bank->regs->datain); + /* Save syconfig, it's runtime value can be different from init value */ + if (bank->loses_context) + bank->context.sysconfig = readl_relaxed(base + bank->regs->sysconfig); + if (!bank->enabled_non_wakeup_gpios) goto update_gpio_context_count; @@ -1259,6 +1266,7 @@ static int gpio_omap_cpu_notifier(struct notifier_block *nb, static const struct omap_gpio_reg_offs omap2_gpio_regs = { .revision = OMAP24XX_GPIO_REVISION, + .sysconfig = OMAP24XX_GPIO_SYSCONFIG, .direction = OMAP24XX_GPIO_OE, .datain = OMAP24XX_GPIO_DATAIN, .dataout = OMAP24XX_GPIO_DATAOUT, @@ -1282,6 +1290,7 @@ static const struct omap_gpio_reg_offs omap2_gpio_regs = { static const struct omap_gpio_reg_offs omap4_gpio_regs = { .revision = OMAP4_GPIO_REVISION, + .sysconfig = OMAP4_GPIO_SYSCONFIG, .direction = OMAP4_GPIO_OE, .datain = OMAP4_GPIO_DATAIN, .dataout = OMAP4_GPIO_DATAOUT, |