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 <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]>
Fixes: d4c34d0 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: Forty-Bot

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;