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pinctrl: rockchip: rk3188: Fix support for IOMUX_GPIO_ONLY flag

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GPIO0_A0-A7 on RK3188 is IOMUX_GPIO_ONLY, however, trying to set gpio
mux return an -ENOTSUPP error code. Fix this by validating using the mux
function type and not the iomux flag.

Based on Linux commit c4a532dee6b6 ("pinctrl: rockchip: handle first
half of rk3188-bank0 correctly").

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman
2024-05-12 12:16:14 +00:00
committed by Kever Yang
parent 62d0c3085e
commit 4b488940f5
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
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@@ -172,7 +172,7 @@ static int rockchip_verify_mux(struct rockchip_pin_bank *bank,
}
if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) {
if (mux != IOMUX_GPIO_ONLY) {
if (mux != RK_FUNC_GPIO) {
debug("pin %d only supports a gpio mux\n", pin);
return -ENOTSUPP;
}