linux-kernel - [PATCH v3 02/18] pinctrl: pinctrl-single: remove dead code in suspend() and resume() callbacks

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Date: Thu, 15 Feb 2024 16:17:47 +0100
From: Thomas Richard <thomas.richard@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Andy Shevchenko <andy@...nel.org>, 
 Tony Lindgren <tony@...mide.com>, 
 Haojian Zhuang <haojian.zhuang@...aro.org>, Vignesh R <vigneshr@...com>, 
 Aaro Koskinen <aaro.koskinen@....fi>, 
 Janusz Krzysztofik <jmkrzyszt@...il.com>, 
 Andi Shyti <andi.shyti@...nel.org>, Peter Rosin <peda@...ntia.se>, 
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org, 
 linux-i2c@...r.kernel.org, linux-phy@...ts.infradead.org, 
 linux-pci@...r.kernel.org, gregory.clement@...tlin.com, 
 theo.lebrun@...tlin.com, thomas.petazzoni@...tlin.com, u-kumar1@...com, 
 Thomas Richard <thomas.richard@...tlin.com>
Subject: [PATCH v3 02/18] pinctrl: pinctrl-single: remove dead code in
 suspend() and resume() callbacks

No need to check the pointer returned by platform_get_drvdata(), as
platform_set_drvdata() is called during the probe.

Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
---
 drivers/pinctrl/pinctrl-single.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 19cc0db771a5..02eabd28d46e 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1693,11 +1693,7 @@ static void pcs_restore_context(struct pcs_device *pcs)
 static int pinctrl_single_suspend(struct platform_device *pdev,
 					pm_message_t state)
 {
-	struct pcs_device *pcs;
-
-	pcs = platform_get_drvdata(pdev);
-	if (!pcs)
-		return -EINVAL;
+	struct pcs_device *pcs = platform_get_drvdata(pdev);
 
 	if (pcs->flags & PCS_CONTEXT_LOSS_OFF) {
 		int ret;
@@ -1712,11 +1708,7 @@ static int pinctrl_single_suspend(struct platform_device *pdev,
 
 static int pinctrl_single_resume(struct platform_device *pdev)
 {
-	struct pcs_device *pcs;
-
-	pcs = platform_get_drvdata(pdev);
-	if (!pcs)
-		return -EINVAL;
+	struct pcs_device *pcs = platform_get_drvdata(pdev);
 
 	if (pcs->flags & PCS_CONTEXT_LOSS_OFF)
 		pcs_restore_context(pcs);

-- 
2.39.2