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| author | Olof Johansson <olof@lixom.net> | 2013-12-26 11:03:29 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-12-26 11:03:29 -0800 |
| commit | 770039fef4887d22b12525b62cc4ade1ca724173 (patch) | |
| tree | 7408ae2a4dbe6a3b36af36976a04a968d951d6af /drivers/gpio/gpio-mpc8xxx.c | |
| parent | 954e198eac14f6c34157bbf053149f3c2917cbbd (diff) | |
| parent | 8a0a1af30cbf56b41220a02e34835022c4d72f41 (diff) | |
| download | talos-op-linux-770039fef4887d22b12525b62cc4ade1ca724173.tar.gz talos-op-linux-770039fef4887d22b12525b62cc4ade1ca724173.zip | |
Merge branch 'tegra/dma-reset-rework' into next/dt
Bringing in the tegra dma/reset framework cleanup as a base for the DT changes.
* tegra/dma-reset-rework: (320 commits)
spi: tegra: checking for ERR_PTR instead of NULL
ASoC: tegra: update module reset list for Tegra124
clk: tegra: remove bogus PCIE_XCLK
clk: tegra: remove legacy reset APIs
ARM: tegra: remove legacy DMA entries from DT
ARM: tegra: remove legacy clock entries from DT
USB: EHCI: tegra: use reset framework
Input: tegra-kbc - use reset framework
serial: tegra: convert to standard DMA DT bindings
serial: tegra: use reset framework
spi: tegra: convert to standard DMA DT bindings
spi: tegra: use reset framework
staging: nvec: use reset framework
i2c: tegra: use reset framework
ASoC: tegra: convert to standard DMA DT bindings
ASoC: tegra: allocate AHUB FIFO during probe() not startup()
ASoC: tegra: call pm_runtime APIs around register accesses
ASoC: tegra: use reset framework
dma: tegra: register as an OF DMA controller
dma: tegra: use reset framework
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/gpio/gpio-mpc8xxx.c')
| -rw-r--r-- | drivers/gpio/gpio-mpc8xxx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 914e859e3eda..d7d6d72eba33 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -70,10 +70,14 @@ static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio) u32 val; struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + u32 out_mask, out_shadow; - val = in_be32(mm->regs + GPIO_DAT) & ~in_be32(mm->regs + GPIO_DIR); + out_mask = in_be32(mm->regs + GPIO_DIR); - return (val | mpc8xxx_gc->data) & mpc8xxx_gpio2mask(gpio); + val = in_be32(mm->regs + GPIO_DAT) & ~out_mask; + out_shadow = mpc8xxx_gc->data & out_mask; + + return (val | out_shadow) & mpc8xxx_gpio2mask(gpio); } static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio) |
