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Message-Id: <20240530173857.164073-15-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Thu, 30 May 2024 18:38:56 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Magnus Damm <magnus.damm@...il.com>
Cc: linux-renesas-soc@...r.kernel.org,
linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
Paul Barker <paul.barker.ct@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3 14/15] pinctrl: renesas: pinctrl-rzg2l: Acquire lock in rzg2l_pinctrl_pm_setup_pfc()
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
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@...renesas.com>
---
v2->v3
- New patch
---
drivers/pinctrl/renesas/pinctrl-rzg2l.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 1cbf97d416bf..2be088bbbd9f 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)
--
2.34.1
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