diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2015-02-28 19:59:26 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2015-02-28 19:59:26 +0000 |
| commit | c2a89871c29da6399c76796dc7d28eda8298f0bc (patch) | |
| tree | 69d221d67ac967936efc91a7f8eefc6e976d76e6 /target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch | |
| parent | 15fb17791a6fe75fb962800b51af3b78e653d9ea (diff) | |
| download | upstream-c2a89871c29da6399c76796dc7d28eda8298f0bc.tar.gz upstream-c2a89871c29da6399c76796dc7d28eda8298f0bc.tar.bz2 upstream-c2a89871c29da6399c76796dc7d28eda8298f0bc.zip | |
brcm63xx: fix gpio register usage
The driver expected data then dir, but both dts and legacy code passed
dir then data. Fix this by making the driver expect the registers in
ascending order, i.e. dir then data.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 44574
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch b/target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch index 24dd3a9d10..d561e43f8c 100644 --- a/target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch +++ b/target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch @@ -100,7 +100,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> - u32 mask; + res[0].flags = IORESOURCE_MEM; + res[0].start = bcm63xx_regset_address(RSET_GPIO); -+ res[0].start += data; ++ res[0].start += dir; - if (gpio >= chip->ngpio) - BUG(); @@ -115,7 +115,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> - } + res[1].flags = IORESOURCE_MEM; + res[1].start = bcm63xx_regset_address(RSET_GPIO); -+ res[1].start += dir; ++ res[1].start += data; - return !!(bcm_gpio_readl(reg) & mask); -} @@ -175,7 +175,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + else + data_low_reg = GPIO_DATA_LO_REG; -+ bcm63xx_gpio_init_one(0, data_low_reg, GPIO_CTL_LO_REG, min(ngpio, 32)); ++ bcm63xx_gpio_init_one(0, GPIO_CTL_LO_REG, data_low_reg, min(ngpio, 32)); -static struct gpio_chip bcm63xx_gpio_chip = { - .label = "bcm63xx-gpio", @@ -191,7 +191,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> -int __init bcm63xx_gpio_init(void) -{ - bcm63xx_gpio_out_low_reg_init(); -+ bcm63xx_gpio_init_one(1, GPIO_DATA_HI_REG, GPIO_CTL_HI_REG, ngpio - 32); ++ bcm63xx_gpio_init_one(1, GPIO_CTL_HI_REG, GPIO_DATA_HI_REG, ngpio - 32); - gpio_out_low = bcm_gpio_readl(gpio_out_low_reg); - if (!BCMCPU_IS_6345()) |