pinctrl: at91: fix get_pullup/down function return
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. Cc: stable <stable@vger.kernel.org> # 3.8+ Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -325,7 +325,7 @@ static void at91_mux_disable_interrupt(void __iomem *pio, unsigned mask)
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static unsigned at91_mux_get_pullup(void __iomem *pio, unsigned pin)
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static unsigned at91_mux_get_pullup(void __iomem *pio, unsigned pin)
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{
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{
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return (readl_relaxed(pio + PIO_PUSR) >> pin) & 0x1;
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return !((readl_relaxed(pio + PIO_PUSR) >> pin) & 0x1);
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}
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}
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static void at91_mux_set_pullup(void __iomem *pio, unsigned mask, bool on)
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static void at91_mux_set_pullup(void __iomem *pio, unsigned mask, bool on)
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@ -445,7 +445,7 @@ static void at91_mux_pio3_set_debounce(void __iomem *pio, unsigned mask,
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static bool at91_mux_pio3_get_pulldown(void __iomem *pio, unsigned pin)
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static bool at91_mux_pio3_get_pulldown(void __iomem *pio, unsigned pin)
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{
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{
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return (__raw_readl(pio + PIO_PPDSR) >> pin) & 0x1;
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return !((__raw_readl(pio + PIO_PPDSR) >> pin) & 0x1);
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}
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}
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static void at91_mux_pio3_set_pulldown(void __iomem *pio, unsigned mask, bool is_on)
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static void at91_mux_pio3_set_pulldown(void __iomem *pio, unsigned mask, bool is_on)
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