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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <bartosz.golaszewski@linaro.org>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski@linaro.org>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Geert Uytterhoeven" <geert+renesas@glider.be>,
	"Biju Das" <biju.das.jz@bp.renesas.com>,
	"Claudiu Beznea" <claudiu.beznea.uj@bp.renesas.com>,
	"Jianlong Huang" <jianlong.huang@starfivetech.com>,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	openbmc@lists.ozlabs.org, linux-mips@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Cc: Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	Dong Aisheng <aisheng.dong@nxp.com>,
	Fabio Estevam <festevam@gmail.com>,
	Shawn Guo <shawnguo@kernel.org>, Jacky Bai <ping.bai@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	Sean Wang <sean.wang@kernel.org>,
	Paul Cercueil <paul@crapouillou.net>,
	Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	Hal Feng <hal.feng@starfivetech.com>
Subject: [PATCH v3 04/22] pinctrl: equilibrium: Use temporary variable to hold pins
Date: Tue, 28 Nov 2023 21:56:53 +0200	[thread overview]
Message-ID: <20231128200155.438722-5-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20231128200155.438722-1-andriy.shevchenko@linux.intel.com>

The pins are allocated from the heap, but in order to pass
them as constant object, we need to use non-constant pointer.
Achieve this by using a temporary variable.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/pinctrl/pinctrl-equilibrium.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 54755b583d3f..fd59cfdeefac 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -704,7 +704,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 {
 	struct device *dev = drvdata->dev;
 	struct device_node *node = dev->of_node;
-	unsigned int *pinmux, pin_id, pinmux_id;
+	unsigned int *pins, *pinmux, pin_id, pinmux_id;
 	struct group_desc group;
 	struct device_node *np;
 	struct property *prop;
@@ -723,15 +723,14 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 		}
 		group.num_pins = err;
 		group.name = prop->value;
-		group.pins = devm_kcalloc(dev, group.num_pins,
-					  sizeof(*(group.pins)), GFP_KERNEL);
-		if (!group.pins) {
+		pins = devm_kcalloc(dev, group.num_pins, sizeof(*pins), GFP_KERNEL);
+		if (!pins) {
 			of_node_put(np);
 			return -ENOMEM;
 		}
+		group.pins = pins;
 
-		pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux),
-				      GFP_KERNEL);
+		pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux), GFP_KERNEL);
 		if (!pinmux) {
 			of_node_put(np);
 			return -ENOMEM;
@@ -750,7 +749,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 				of_node_put(np);
 				return -EINVAL;
 			}
-			group.pins[j] = pin_id;
+			pins[j] = pin_id;
 			if (of_property_read_u32_index(np, "pinmux", j, &pinmux_id)) {
 				dev_err(dev, "Group %s: Read intel pinmux id failed\n",
 					group.name);
-- 
2.43.0.rc1.1.gbec44491f096


WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <bartosz.golaszewski@linaro.org>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski@linaro.org>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Geert Uytterhoeven" <geert+renesas@glider.be>,
	"Biju Das" <biju.das.jz@bp.renesas.com>,
	"Claudiu Beznea" <claudiu.beznea.uj@bp.renesas.com>,
	"Jianlong Huang" <jianlong.huang@starfivetech.com>,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	openbmc@lists.ozlabs.org, linux-mips@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Cc: Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	Dong Aisheng <aisheng.dong@nxp.com>,
	Fabio Estevam <festevam@gmail.com>,
	Shawn Guo <shawnguo@kernel.org>, Jacky Bai <ping.bai@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	Sean Wang <sean.wang@kernel.org>,
	Paul Cercueil <paul@crapouillou.net>,
	Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	Hal Feng <hal.feng@starfivetech.com>
Subject: [PATCH v3 04/22] pinctrl: equilibrium: Use temporary variable to hold pins
Date: Tue, 28 Nov 2023 21:56:53 +0200	[thread overview]
Message-ID: <20231128200155.438722-5-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20231128200155.438722-1-andriy.shevchenko@linux.intel.com>

The pins are allocated from the heap, but in order to pass
them as constant object, we need to use non-constant pointer.
Achieve this by using a temporary variable.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/pinctrl/pinctrl-equilibrium.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 54755b583d3f..fd59cfdeefac 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -704,7 +704,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 {
 	struct device *dev = drvdata->dev;
 	struct device_node *node = dev->of_node;
-	unsigned int *pinmux, pin_id, pinmux_id;
+	unsigned int *pins, *pinmux, pin_id, pinmux_id;
 	struct group_desc group;
 	struct device_node *np;
 	struct property *prop;
@@ -723,15 +723,14 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 		}
 		group.num_pins = err;
 		group.name = prop->value;
-		group.pins = devm_kcalloc(dev, group.num_pins,
-					  sizeof(*(group.pins)), GFP_KERNEL);
-		if (!group.pins) {
+		pins = devm_kcalloc(dev, group.num_pins, sizeof(*pins), GFP_KERNEL);
+		if (!pins) {
 			of_node_put(np);
 			return -ENOMEM;
 		}
+		group.pins = pins;
 
-		pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux),
-				      GFP_KERNEL);
+		pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux), GFP_KERNEL);
 		if (!pinmux) {
 			of_node_put(np);
 			return -ENOMEM;
@@ -750,7 +749,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 				of_node_put(np);
 				return -EINVAL;
 			}
-			group.pins[j] = pin_id;
+			pins[j] = pin_id;
 			if (of_property_read_u32_index(np, "pinmux", j, &pinmux_id)) {
 				dev_err(dev, "Group %s: Read intel pinmux id failed\n",
 					group.name);
-- 
2.43.0.rc1.1.gbec44491f096


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-11-28 20:12 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-28 19:56 [PATCH v3 00/22] pinctrl: Convert struct group_desc to use struct pingroup Andy Shevchenko
2023-11-28 19:56 ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 01/22] pinctrl: qcom: lpass-lpi: Replace kernel.h with what is being used Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 02/22] pinctrl: qcom: lpass-lpi: Remove unused member in struct lpi_pingroup Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 03/22] pinctrl: equilibrium: Unshadow error code of of_property_count_u32_elems() Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` Andy Shevchenko [this message]
2023-11-28 19:56   ` [PATCH v3 04/22] pinctrl: equilibrium: Use temporary variable to hold pins Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 05/22] pinctrl: imx: " Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 06/22] pinctrl: core: Make pins const in struct group_desc Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-29 11:21   ` Geert Uytterhoeven
2023-11-29 11:21     ` Geert Uytterhoeven
2023-11-29 13:41     ` Andy Shevchenko
2023-11-29 13:41       ` Andy Shevchenko
2023-11-29 14:23       ` Andy Shevchenko
2023-11-29 14:23         ` Andy Shevchenko
2023-11-29 15:34         ` Geert Uytterhoeven
2023-11-29 15:34           ` Geert Uytterhoeven
2023-11-28 19:56 ` [PATCH v3 07/22] pinctrl: equilibrium: Convert to use struct pingroup Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 08/22] pinctrl: keembay: " Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 09/22] pinctrl: nuvoton: Convert to use struct pingroup and PINCTRL_PINGROUP() Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-28 19:56 ` [PATCH v3 10/22] pinctrl: core: Add a convenient define PINCTRL_GROUP_DESC() Andy Shevchenko
2023-11-28 19:56   ` Andy Shevchenko
2023-11-29 11:12   ` Geert Uytterhoeven
2023-11-29 11:12     ` Geert Uytterhoeven
2023-11-28 19:57 ` [PATCH v3 11/22] pinctrl: ingenic: Make use of PINCTRL_GROUP_DESC() Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-29 12:40   ` Paul Cercueil
2023-11-29 12:40     ` Paul Cercueil
2023-11-28 19:57 ` [PATCH v3 12/22] pinctrl: mediatek: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 13/22] pinctrl: core: Embed struct pingroup into struct group_desc Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-29 11:14   ` Geert Uytterhoeven
2023-11-29 11:14     ` Geert Uytterhoeven
2023-11-28 19:57 ` [PATCH v3 14/22] pinctrl: bcm: Convert to use grp member Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 15/22] pinctrl: equilibrium: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 16/22] pinctrl: imx: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 17/22] pinctrl: ingenic: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 18/22] pinctrl: keembay: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 19/22] pinctrl: mediatek: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 20/22] pinctrl: renesas: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-29 11:10   ` Geert Uytterhoeven
2023-11-29 11:10     ` Geert Uytterhoeven
2023-11-28 19:57 ` [PATCH v3 21/22] pinctrl: starfive: " Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-28 19:57 ` [PATCH v3 22/22] pinctrl: core: Remove unused members from struct group_desc Andy Shevchenko
2023-11-28 19:57   ` Andy Shevchenko
2023-11-29 11:14   ` Geert Uytterhoeven
2023-11-29 11:14     ` Geert Uytterhoeven

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