pinctrl: k210: Fix bias-pull-up

Using bias-pull-up would actually cause the pin to have its pull-down
enabled. Fix this.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Link: https://lore.kernel.org/r/20220209182822.640905-1-seanga2@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
index e3d03f2..ecab6bf 100644 (file)
--- a/drivers/pinctrl/pinctrl-k210.c
+++ b/drivers/pinctrl/pinctrl-k210.c
@@ -527,7 +527,7 @@ static int k210_pinconf_set_param(struct pinctrl_dev *pctldev,
        case PIN_CONFIG_BIAS_PULL_UP:
                if (!arg)
                        return -EINVAL;
-               val |= K210_PC_PD;
+               val |= K210_PC_PU;
                break;
        case PIN_CONFIG_DRIVE_STRENGTH:
                arg *= 1000;