diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2024-05-30 20:38:56 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-06-11 10:50:24 +0300 |
| commit | 951eaac107631b26649b00cf5f5d9d7d83d8bca4 (patch) | |
| tree | 66432be801a7f5c85118a671df727b8b089eccb2 /drivers/pinctrl/renesas | |
| parent | d930e8f783daef890980c0ca209a0f4f9ae73160 (diff) | |
| download | linux-951eaac107631b26649b00cf5f5d9d7d83d8bca4.tar.xz | |
pinctrl: renesas: rzg2l: Acquire lock in rzg2l_pinctrl_pm_setup_pfc()
To keep consistency with rzg2l_pinctrl_set_pfc_mode(), acquire the lock
in rzg2l_pinctrl_pm_setup_pfc() during PFC setup.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> # on RZ/G3S
Link: https://lore.kernel.org/r/20240530173857.164073-15-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl/renesas')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index ec006a7cd13d..4318aaa14413 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -2541,7 +2541,9 @@ static void rzg2l_pinctrl_pm_setup_dedicated_regs(struct rzg2l_pinctrl *pctrl, b static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) { u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; + unsigned long flags; + spin_lock_irqsave(&pctrl->lock, flags); pctrl->data->pwpr_pfc_lock_unlock(pctrl, false); /* Restore port registers. */ @@ -2586,6 +2588,7 @@ static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) } pctrl->data->pwpr_pfc_lock_unlock(pctrl, true); + spin_unlock_irqrestore(&pctrl->lock, flags); } static int rzg2l_pinctrl_suspend_noirq(struct device *dev) |