Messages in this thread | | | Date | Tue, 14 Jul 2015 13:39:34 +0800 | From | Jiang Liu <> | Subject | Re: [patch 18/19] gpio/msm-v2: Avoid redundant lookup of irq_data |
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On 2015/7/14 13:28, Ilia Mirkin wrote: > > On Jul 13, 2015 4:42 PM, "Thomas Gleixner" <tglx@linutronix.de > <mailto:tglx@linutronix.de>> wrote: >> >> It's pretty silly to do >> >> irq_data *d = irq_get_irq_data(irq_data->irq); >> >> because that results in d = irq_data, but goes through a lookup of the >> irq_data. Use irq_data directly. >> >> Signed-off-by: Thomas Gleixner <tglx@linutronix.de > <mailto:tglx@linutronix.de>> >> Cc: Linus Walleij <linus.walleij@linaro.org > <mailto:linus.walleij@linaro.org>> >> Cc: Alexandre Courbot <gnurou@gmail.com <mailto:gnurou@gmail.com>> >> Cc: Jiang Liu <jiang.liu@linux.intel.com > <mailto:jiang.liu@linux.intel.com>> >> Cc: linux-gpio@vger.kernel.org <mailto:linux-gpio@vger.kernel.org> >> --- >> drivers/gpio/gpio-msm-v2.c | 18 +++++------------- >> 1 file changed, 5 insertions(+), 13 deletions(-) >> >> Index: tip/drivers/gpio/gpio-msm-v2.c >> =================================================================== >> --- tip.orig/drivers/gpio/gpio-msm-v2.c >> +++ tip/drivers/gpio/gpio-msm-v2.c >> @@ -187,14 +187,6 @@ static int msm_gpio_to_irq(struct gpio_c >> return irq_create_mapping(domain, offset); >> } >> >> -static inline int msm_irq_to_gpio(struct gpio_chip *chip, unsigned irq) >> -{ >> - struct irq_data *irq_data = irq_get_irq_data(irq); >> - >> - return irq_data->hwirq; >> -} >> - >> - >> /* For dual-edge interrupts in software, since the hardware has no >> * such support: >> * >> @@ -238,7 +230,7 @@ static void msm_gpio_update_dual_edge_po >>w >> static void msm_gpio_irq_ack(struct irq_data *d) >> { >> - int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq); >> + int gpio = d->hw_irq; > > Does this build? It was hwirq above, not hw_irq.
Yeah, should be hwirq.
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