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| author | Vasily Khoruzhick <anarsoul@gmail.com> | 2011-03-13 17:19:19 +0200 |
|---|---|---|
| committer | Marek Vasut <marek.vasut@gmail.com> | 2011-03-16 14:56:02 +0100 |
| commit | b8f56a78e3a161f10bfd4e648a3d3828718aaa80 (patch) | |
| tree | 3c7350310ec3a131e5abce29884418b31b852d26 /arch/arm | |
| parent | 233cdbce55b8948b46fcd76ad77c1f33b8c01095 (diff) | |
| download | blackbird-op-linux-b8f56a78e3a161f10bfd4e648a3d3828718aaa80.tar.gz blackbird-op-linux-b8f56a78e3a161f10bfd4e648a3d3828718aaa80.zip | |
ARM: PXA: Z2: Fix libertas init/tear down sequences
GPIO15 seems to be not related to WiFi, so don't touch it.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/z2.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/z2.c | 31 |
2 files changed, 9 insertions, 25 deletions
diff --git a/arch/arm/mach-pxa/include/mach/z2.h b/arch/arm/mach-pxa/include/mach/z2.h index 8835c16bc82f..7b0f71ef3167 100644 --- a/arch/arm/mach-pxa/include/mach/z2.h +++ b/arch/arm/mach-pxa/include/mach/z2.h @@ -25,8 +25,7 @@ #define GPIO98_ZIPITZ2_LID_BUTTON 98 /* Libertas GSPI8686 WiFi */ -#define GPIO14_ZIPITZ2_WIFI_RESET 14 -#define GPIO15_ZIPITZ2_WIFI_POWER 15 +#define GPIO14_ZIPITZ2_WIFI_POWER 14 #define GPIO24_ZIPITZ2_WIFI_CS 24 #define GPIO36_ZIPITZ2_WIFI_IRQ 36 diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index 31db09bb0b5c..4df1ecb14543 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -139,8 +139,7 @@ static unsigned long z2_pin_config[] = { GPIO1_GPIO, /* Power button */ GPIO37_GPIO, /* Headphone detect */ GPIO98_GPIO, /* Lid switch */ - GPIO14_GPIO, /* WiFi Reset */ - GPIO15_GPIO, /* WiFi Power */ + GPIO14_GPIO, /* WiFi Power */ GPIO24_GPIO, /* WiFi CS */ GPIO36_GPIO, /* WiFi IRQ */ GPIO88_GPIO, /* LCD CS */ @@ -512,26 +511,16 @@ static int z2_lbs_spi_setup(struct spi_device *spi) { int ret = 0; - ret = gpio_request(GPIO15_ZIPITZ2_WIFI_POWER, "WiFi Power"); + ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power"); if (ret) goto err; - ret = gpio_direction_output(GPIO15_ZIPITZ2_WIFI_POWER, 1); + ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1); if (ret) goto err2; - ret = gpio_request(GPIO14_ZIPITZ2_WIFI_RESET, "WiFi Reset"); - if (ret) - goto err2; - - ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_RESET, 0); - if (ret) - goto err3; - - /* Reset the card */ + /* Wait until card is powered on */ mdelay(180); - gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 1); - mdelay(20); spi->bits_per_word = 16; spi->mode = SPI_MODE_2, @@ -540,22 +529,18 @@ static int z2_lbs_spi_setup(struct spi_device *spi) return 0; -err3: - gpio_free(GPIO14_ZIPITZ2_WIFI_RESET); err2: - gpio_free(GPIO15_ZIPITZ2_WIFI_POWER); + gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); err: return ret; }; static int z2_lbs_spi_teardown(struct spi_device *spi) { - gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 0); - gpio_set_value(GPIO15_ZIPITZ2_WIFI_POWER, 0); - gpio_free(GPIO14_ZIPITZ2_WIFI_RESET); - gpio_free(GPIO15_ZIPITZ2_WIFI_POWER); - return 0; + gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0); + gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); + return 0; }; static struct pxa2xx_spi_chip z2_lbs_chip_info = { |
