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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-06-04 12:13:15 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-14 12:12:20 +0200 |
| commit | 476f8b4c94a90d1167961d90a5ed68dbe87c62da (patch) | |
| tree | 2b60b492c8bc55630041c6c7975074ac2be09c7c /drivers/gpio/gpio-tegra.c | |
| parent | c16edb8b3a070be758a97bc6cd00855c7bbccec4 (diff) | |
| download | blackbird-obmc-linux-476f8b4c94a90d1167961d90a5ed68dbe87c62da.tar.gz blackbird-obmc-linux-476f8b4c94a90d1167961d90a5ed68dbe87c62da.zip | |
gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc
Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.
Preparatory patch for the removal of the 'irq' argument from irq flow
handlers.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpio/gpio-tegra.c')
| -rw-r--r-- | drivers/gpio/gpio-tegra.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 271c4cf5e0cc..530b27f9d66f 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -268,16 +268,14 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d) static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { - struct tegra_gpio_bank *bank; int port; int pin; int unmasked = 0; struct irq_chip *chip = irq_desc_get_chip(desc); + struct tegra_gpio_bank *bank = irq_desc_get_handler_data(desc); chained_irq_enter(chip, desc); - bank = irq_get_handler_data(irq); - for (port = 0; port < 4; port++) { int gpio = tegra_gpio_compose(bank->bank, port, 0); unsigned long sta = tegra_gpio_readl(GPIO_INT_STA(gpio)) & |
