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Date: Wed, 30 Mar 2011 22:01:47 -0600 From: Grant Likely <grant.likely@...retlab.ca> To: Ryan Mallon <ryan@...ewatersys.com> Cc: linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, linux kernel <linux-kernel@...r.kernel.org>, hartleys <hartleys@...ionengravers.com>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [PATCH] EP93xx: Remove ep93xx_gpio_dbg_show function On Tue, Mar 29, 2011 at 12:03:06PM +1300, Ryan Mallon wrote: > Hartley pointed out that the patch I posted to remove the irq internals > fiddling from ep93xx_gpio_dbg_show does not function as expected. It > will print [interrupt] beside all pins which are capable of being > interrupts, not just those which are currently configured as interrupts. > > The best solution is just to remove the custom ep93xx gpio debugfs > function all together. The generic gpiolib one is good enough. > > Signed-off-by: Ryan Mallon <ryan@...ewatersys.com> Applied, thanks. g. > --- > > diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c > index 34e071d..c74adf9 100644 > --- a/arch/arm/mach-ep93xx/gpio.c > +++ b/arch/arm/mach-ep93xx/gpio.c > @@ -348,29 +348,6 @@ static int ep93xx_gpio_set_debounce(struct gpio_chip *chip, > return 0; > } > > -static void ep93xx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) > -{ > - struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); > - u8 data_reg, data_dir_reg; > - int gpio, i; > - > - data_reg = __raw_readb(ep93xx_chip->data_reg); > - data_dir_reg = __raw_readb(ep93xx_chip->data_dir_reg); > - > - gpio = ep93xx_chip->chip.base; > - for (i = 0; i < chip->ngpio; i++, gpio++) { > - int is_out = data_dir_reg & (1 << i); > - int irq = gpio_to_irq(gpio); > - > - seq_printf(s, " %s%d gpio-%-3d (%-12s) %s %s %s\n", > - chip->label, i, gpio, > - gpiochip_is_requested(chip, i) ? : "", > - is_out ? "out" : "in ", > - (data_reg & (1<< i)) ? "hi" : "lo", > - (!is_out && irq>= 0) ? "(interrupt)" : ""); > - } > -} > - > #define EP93XX_GPIO_BANK(name, dr, ddr, base_gpio) \ > { \ > .chip = { \ > @@ -379,7 +356,6 @@ static void ep93xx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) > .direction_output = ep93xx_gpio_direction_output, \ > .get = ep93xx_gpio_get, \ > .set = ep93xx_gpio_set, \ > - .dbg_show = ep93xx_gpio_dbg_show, \ > .base = base_gpio, \ > .ngpio = 8, \ > }, \ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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