From: Krzysztof Kozlowski Date: Sun, 18 Jan 2026 18:09:34 +0000 (+0100) Subject: pinctrl: st: Annotate st_pinconf_dbg_show() as holding mutex X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76d415763bae9488dd2b923b1348ce6f26c1f0ae;p=thirdparty%2Fkernel%2Flinux.git pinctrl: st: Annotate st_pinconf_dbg_show() as holding mutex st_pinconf_dbg_show() unlocks and locks the pinctrl_dev mutex, so it must be called by the pinctrl core with the mutex hold. Annotate the function with sparse __must_hold, so any changes in pinctrl locking will be statically detected. Reviewed-by: Patrice Chotard Signed-off-by: Krzysztof Kozlowski Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index d3cea3437d7f..8ce88e591f47 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -987,6 +987,7 @@ static int st_pinconf_get(struct pinctrl_dev *pctldev, static void st_pinconf_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned pin_id) + __must_hold(&pctldev->mutex) { struct st_pio_control *pc; unsigned long config;