Return-path: Received: from server19320154104.serverpool.info ([193.201.54.104]:34154 "EHLO hauke-m.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754120Ab3AZUk1 (ORCPT ); Sat, 26 Jan 2013 15:40:27 -0500 From: Hauke Mehrtens To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, m@bues.ch, Hauke Mehrtens Subject: [PATCH v2] ssb: add gpio_to_irq Date: Sat, 26 Jan 2013 21:38:35 +0100 Message-Id: <1359232716-15774-1-git-send-email-hauke@hauke-m.de> (sfid-20130126_214032_892979_CA0A1C0A) Sender: linux-wireless-owner@vger.kernel.org List-ID: The old bcm47xx gpio code had support for gpio_to_irq, but the new code did not provide this function, but returned -ENXIO all the time. This patch adds the missing function. arch/mips/bcm47xx/wgt634u.c calls gpio_to_irq() and got the correct irq number with the old gpio handling code. With this patch the code in wgt634u.c should work again. I do not have a wgt634u to test this. Signed-off-by: Hauke Mehrtens --- drivers/ssb/driver_gpio.c | 22 ++++++++++++++++++++++ include/linux/ssb/ssb_driver_mips.h | 5 +++++ 2 files changed, 27 insertions(+) diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c index 97ac0a3..accabe3 100644 --- a/drivers/ssb/driver_gpio.c +++ b/drivers/ssb/driver_gpio.c @@ -74,6 +74,16 @@ static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio) ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); } +static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + if (bus->bustype == SSB_BUSTYPE_SSB) + return ssb_mips_irq(bus->chipco.dev) + 2; + else + return -EINVAL; +} + static int ssb_gpio_chipco_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; @@ -86,6 +96,7 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus) chip->set = ssb_gpio_chipco_set_value; chip->direction_input = ssb_gpio_chipco_direction_input; chip->direction_output = ssb_gpio_chipco_direction_output; + chip->to_irq = ssb_gpio_chipco_to_irq; chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get @@ -134,6 +145,16 @@ static int ssb_gpio_extif_direction_output(struct gpio_chip *chip, return 0; } +static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + if (bus->bustype == SSB_BUSTYPE_SSB) + return ssb_mips_irq(bus->extif.dev) + 2; + else + return -EINVAL; +} + static int ssb_gpio_extif_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; @@ -144,6 +165,7 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus) chip->set = ssb_gpio_extif_set_value; chip->direction_input = ssb_gpio_extif_direction_input; chip->direction_output = ssb_gpio_extif_direction_output; + chip->to_irq = ssb_gpio_extif_to_irq; chip->ngpio = 5; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get diff --git a/include/linux/ssb/ssb_driver_mips.h b/include/linux/ssb/ssb_driver_mips.h index 07a9c7a..afe79d4 100644 --- a/include/linux/ssb/ssb_driver_mips.h +++ b/include/linux/ssb/ssb_driver_mips.h @@ -45,6 +45,11 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore) { } +static inline unsigned int ssb_mips_irq(struct ssb_device *dev) +{ + return 0; +} + #endif /* CONFIG_SSB_DRIVER_MIPS */ #endif /* LINUX_SSB_MIPSCORE_H_ */ -- 1.7.10.4