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Subject[PATCH] pinctrl: at91: fix get_pullup/down function return
Date
In PIO_PUSR and PIO_PPDSR register if a given bit is set 1 this means the
pullup/down for this pin (pin is represented as a bit position) is
disabled.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
---
drivers/pinctrl/pinctrl-at91.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index b90a3a0..19afb9a 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -325,7 +325,7 @@ static void at91_mux_disable_interrupt(void __iomem *pio, unsigned mask)

static unsigned at91_mux_get_pullup(void __iomem *pio, unsigned pin)
{
- return (readl_relaxed(pio + PIO_PUSR) >> pin) & 0x1;
+ return !((readl_relaxed(pio + PIO_PUSR) >> pin) & 0x1);
}

static void at91_mux_set_pullup(void __iomem *pio, unsigned mask, bool on)
@@ -445,7 +445,7 @@ static void at91_mux_pio3_set_debounce(void __iomem *pio, unsigned mask,

static bool at91_mux_pio3_get_pulldown(void __iomem *pio, unsigned pin)
{
- return (__raw_readl(pio + PIO_PPDSR) >> pin) & 0x1;
+ return !((__raw_readl(pio + PIO_PPDSR) >> pin) & 0x1);
}

static void at91_mux_pio3_set_pulldown(void __iomem *pio, unsigned mask, bool is_on)
--
1.7.9.5


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