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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-16 12:32:42 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-16 12:32:42 -0700 |
commit | 467a3ca5cab64a16b5ec46ebb1895c84c280dcfe (patch) | |
tree | 68096d5b17e884d270420d50e466186c73019830 /drivers/gpio/gpio-omap.c | |
parent | 40c9f61eae9098212b6906f29f30f08f7a19b5e2 (diff) | |
parent | 84a1caf1453c3d44050bd22db958af4a7f99315c (diff) | |
download | lwn-467a3ca5cab64a16b5ec46ebb1895c84c280dcfe.tar.gz lwn-467a3ca5cab64a16b5ec46ebb1895c84c280dcfe.zip |
Merge branch 'v3.6-rc7' into tty-next
This is to sync up on Linus's branch to get the other tty and core changes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r-- | drivers/gpio/gpio-omap.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index c4ed1722734c..4fbc208c32cf 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -174,12 +174,22 @@ static inline void _gpio_dbck_enable(struct gpio_bank *bank) if (bank->dbck_enable_mask && !bank->dbck_enabled) { clk_enable(bank->dbck); bank->dbck_enabled = true; + + __raw_writel(bank->dbck_enable_mask, + bank->base + bank->regs->debounce_en); } } static inline void _gpio_dbck_disable(struct gpio_bank *bank) { if (bank->dbck_enable_mask && bank->dbck_enabled) { + /* + * Disable debounce before cutting it's clock. If debounce is + * enabled but the clock is not, GPIO module seems to be unable + * to detect events and generate interrupts at least on OMAP3. + */ + __raw_writel(0, bank->base + bank->regs->debounce_en); + clk_disable(bank->dbck); bank->dbck_enabled = false; } @@ -1081,7 +1091,6 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev) bank->is_mpuio = pdata->is_mpuio; bank->non_wakeup_gpios = pdata->non_wakeup_gpios; bank->loses_context = pdata->loses_context; - bank->get_context_loss_count = pdata->get_context_loss_count; bank->regs = pdata->regs; #ifdef CONFIG_OF_GPIO bank->chip.of_node = of_node_get(node); @@ -1135,6 +1144,9 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev) omap_gpio_chip_init(bank); omap_gpio_show_rev(bank); + if (bank->loses_context) + bank->get_context_loss_count = pdata->get_context_loss_count; + pm_runtime_put(bank->dev); list_add_tail(&bank->node, &omap_gpio_list); |