From: Zhen Lei thunder.leizhen@huawei.com
stable inclusion from stable-5.10.67 commit d3612083ecc1355fa85236e084b34b0d608279dd bugzilla: 182619 https://gitee.com/openeuler/kernel/issues/I4EWO7
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit d789a490d32fdf0465275e3607f8a3bc87d3f3ba ]
Fix to return -ENOTSUPP instead of 0 when PCS_HAS_PINCONF is true, which is the same as that returned in pcs_parse_pinconf().
Fixes: 4e7e8017a80e ("pinctrl: pinctrl-single: enhance to configure multiple pins of different modules") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Link: https://lore.kernel.org/r/20210722033930.4034-2-thunder.leizhen@huawei.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/pinctrl/pinctrl-single.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 12cc4eb18637..17aa0d542d92 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1222,6 +1222,7 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
if (PCS_HAS_PINCONF) { dev_err(pcs->dev, "pinconf not supported\n"); + res = -ENOTSUPP; goto free_pingroups; }