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pinctrl: renesas: rzg2l: Acquire lock in rzg2l_pinctrl_pm_setup_pfc()

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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>
This commit is contained in:
Lad Prabhakar 2024-05-30 18:38:56 +01:00 committed by Geert Uytterhoeven
parent d930e8f783
commit 951eaac107
1 changed files with 3 additions and 0 deletions
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3
drivers/pinctrl/renesas/pinctrl-rzg2l.c
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@ -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) static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl)
{ {
u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; 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); pctrl->data->pwpr_pfc_lock_unlock(pctrl, false);
/* Restore port registers. */ /* 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); pctrl->data->pwpr_pfc_lock_unlock(pctrl, true);
spin_unlock_irqrestore(&pctrl->lock, flags);
} }
static int rzg2l_pinctrl_suspend_noirq(struct device *dev) static int rzg2l_pinctrl_suspend_noirq(struct device *dev)