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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Wolfram Sang <wsa@kernel.org>
Cc: linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org,
	kernel@pengutronix.de
Subject: [PATCH 66/89] i2c: sh_mobile: Convert to platform remove callback returning void
Date: Mon,  8 May 2023 22:52:43 +0200	[thread overview]
Message-ID: <20230508205306.1474415-67-u.kleine-koenig@pengutronix.de> (raw)
In-Reply-To: <20230508205306.1474415-1-u.kleine-koenig@pengutronix.de>

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/i2c/busses/i2c-sh_mobile.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 29330ee64c9c..21717b943a9e 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -956,14 +956,13 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
 	return 0;
 }
 
-static int sh_mobile_i2c_remove(struct platform_device *dev)
+static void sh_mobile_i2c_remove(struct platform_device *dev)
 {
 	struct sh_mobile_i2c_data *pd = platform_get_drvdata(dev);
 
 	i2c_del_adapter(&pd->adap);
 	sh_mobile_i2c_release_dma(pd);
 	pm_runtime_disable(&dev->dev);
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -1000,7 +999,7 @@ static struct platform_driver sh_mobile_i2c_driver = {
 		.pm	= DEV_PM_OPS,
 	},
 	.probe		= sh_mobile_i2c_probe,
-	.remove		= sh_mobile_i2c_remove,
+	.remove_new	= sh_mobile_i2c_remove,
 };
 
 static int __init sh_mobile_i2c_adap_init(void)
-- 
2.39.2


  parent reply	other threads:[~2023-05-08 20:54 UTC|newest]

Thread overview: 157+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-08 20:51 [PATCH 00/89] i2c: Convert to platform remove callback returning void Uwe Kleine-König
2023-05-08 20:51 ` Uwe Kleine-König
2023-05-08 20:51 ` Uwe Kleine-König
2023-05-08 20:51 ` Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 01/89] i2c: altera: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 02/89] i2c: amd-mp2-plat: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 03/89] i2c: aspeed: " Uwe Kleine-König
2023-05-08 20:51   ` Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 04/89] i2c: at91-core: " Uwe Kleine-König
2023-05-09  4:42   ` Claudiu.Beznea
2023-05-08 20:51 ` [PATCH 05/89] i2c: au1550: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 06/89] i2c: axxia: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 07/89] i2c: bcm-iproc: " Uwe Kleine-König
2023-05-08 20:59   ` Florian Fainelli
2023-05-08 20:51 ` [PATCH 08/89] i2c: bcm-kona: " Uwe Kleine-König
2023-05-08 20:59   ` Florian Fainelli
2023-05-08 20:51 ` [PATCH 09/89] i2c: bcm2835: " Uwe Kleine-König
2023-05-08 20:59   ` Florian Fainelli
2023-05-08 20:51 ` [PATCH 10/89] i2c: brcmstb: " Uwe Kleine-König
2023-05-08 20:59   ` Florian Fainelli
2023-05-08 20:51 ` [PATCH 11/89] i2c: cadence: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 12/89] i2c: cbus-gpio: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 13/89] i2c: cht-wc: " Uwe Kleine-König
2023-05-09  8:13   ` Hans de Goede
2023-05-08 20:51 ` [PATCH 14/89] i2c: cpm: " Uwe Kleine-König
2023-05-16 10:59   ` Jochen Friedrich
2023-05-08 20:51 ` [PATCH 15/89] i2c: cros-ec-tunnel: " Uwe Kleine-König
2023-05-09 15:09   ` Krzysztof Kozlowski
2023-05-08 20:51 ` [PATCH 16/89] i2c: davinci: Improve error reporting for problems during .remove() Uwe Kleine-König
2023-05-11  9:02   ` Bartosz Golaszewski
2023-05-08 20:51 ` [PATCH 17/89] i2c: davinci: Convert to platform remove callback returning void Uwe Kleine-König
2023-05-11  9:03   ` Bartosz Golaszewski
2023-05-08 20:51 ` [PATCH 18/89] i2c: designware-platdrv: " Uwe Kleine-König
2023-05-11  8:28   ` Jarkko Nikula
2023-05-08 20:51 ` [PATCH 19/89] i2c: digicolor: " Uwe Kleine-König
2023-05-09  3:15   ` Baruch Siach
2023-05-08 20:51 ` [PATCH 20/89] i2c: dln2: " Uwe Kleine-König
2023-05-08 20:51 ` [PATCH 21/89] i2c: emev2: " Uwe Kleine-König
2023-05-09  7:01   ` Geert Uytterhoeven
2023-05-08 20:51 ` [PATCH 22/89] i2c: exynos5: " Uwe Kleine-König
2023-05-09 15:08   ` Krzysztof Kozlowski
2023-05-08 20:52 ` [PATCH 23/89] i2c: gpio: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 24/89] i2c: gxp: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 25/89] i2c: highlander: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 26/89] i2c: hix5hd2: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 27/89] i2c: ibm_iic: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 28/89] i2c: img-scb: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 29/89] i2c: imx-lpi2c: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 30/89] i2c: imx: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 31/89] i2c: iop3xx: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 32/89] i2c: isch: " Uwe Kleine-König
2023-05-09 11:04   ` Jean Delvare
2023-05-08 20:52 ` [PATCH 33/89] i2c: jz4780: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 34/89] i2c: kempld: " Uwe Kleine-König
2023-05-09  7:52   ` Chris Pringle
2023-05-08 20:52 ` [PATCH 35/89] i2c: lpc2k: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 36/89] i2c: meson: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-10 20:41   ` Martin Blumenstingl
2023-05-10 20:41     ` Martin Blumenstingl
2023-05-08 20:52 ` [PATCH 37/89] i2c: microchip-corei2c: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-08 21:00   ` Conor Dooley
2023-05-08 21:00     ` Conor Dooley
2023-05-08 20:52 ` [PATCH 38/89] i2c: mlxbf: " Uwe Kleine-König
2023-05-08 21:01   ` Asmaa Mnebhi
2023-05-08 20:52 ` [PATCH 39/89] i2c: mlxcpld: " Uwe Kleine-König
2023-05-09  5:55   ` Vadim Pasternak
2023-05-08 20:52 ` [PATCH 40/89] i2c: mpc: " Uwe Kleine-König
2023-05-08 21:11   ` Chris Packham
2023-05-08 20:52 ` [PATCH 41/89] i2c: mt65xx: " Uwe Kleine-König
2023-05-10 16:55   ` Matthias Brugger
2023-05-08 20:52 ` [PATCH 42/89] i2c: mt7621: " Uwe Kleine-König
2023-05-10 16:56   ` Matthias Brugger
2023-05-08 20:52 ` [PATCH 43/89] i2c: mv64xxx: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 44/89] i2c: mxs: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 45/89] i2c: npcm7xx: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-09  6:32   ` Tali Perry
2023-05-09  6:32     ` Tali Perry
2023-05-08 20:52 ` [PATCH 46/89] i2c: ocores: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 47/89] i2c: octeon-platdrv: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 48/89] i2c: omap: " Uwe Kleine-König
2023-05-09  6:02   ` Vignesh Raghavendra
2023-05-08 20:52 ` [PATCH 49/89] i2c: opal: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 50/89] i2c: pasemi-platform: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 51/89] i2c: pca-platform: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 52/89] i2c: pnx: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 53/89] i2c: powermac: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 54/89] i2c: pxa: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 55/89] i2c: qcom-cci: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 56/89] i2c: qcom-geni: " Uwe Kleine-König
2023-05-09  8:46   ` Konrad Dybcio
2023-05-08 20:52 ` [PATCH 57/89] i2c: qup: " Uwe Kleine-König
2023-05-09  8:47   ` Konrad Dybcio
2023-05-08 20:52 ` [PATCH 58/89] i2c: rcar: " Uwe Kleine-König
2023-05-09  7:01   ` Geert Uytterhoeven
2023-05-08 20:52 ` [PATCH 59/89] i2c: riic: " Uwe Kleine-König
2023-05-09  7:02   ` Geert Uytterhoeven
2023-05-08 20:52 ` [PATCH 60/89] i2c: rk3x: " Uwe Kleine-König
2023-05-08 20:52   ` Uwe Kleine-König
2023-05-13 16:44   ` Heiko Stuebner
2023-05-13 16:44     ` Heiko Stuebner
2023-05-08 20:52 ` [PATCH 61/89] i2c: rzv2m: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 62/89] i2c: s3c2410: " Uwe Kleine-König
2023-05-09 15:09   ` Krzysztof Kozlowski
2023-05-08 20:52 ` [PATCH 63/89] i2c: scmi: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 64/89] i2c: scx200_acb: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 65/89] i2c: sh7760: " Uwe Kleine-König
2023-05-08 20:52 ` Uwe Kleine-König [this message]
2023-05-09  7:02   ` [PATCH 66/89] i2c: sh_mobile: " Geert Uytterhoeven
2023-05-08 20:52 ` [PATCH 67/89] i2c: simtec: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 68/89] i2c: st: " Uwe Kleine-König
2023-05-09  6:21   ` Patrice CHOTARD
2023-05-08 20:52 ` [PATCH 69/89] i2c: stm32f4: " Uwe Kleine-König
2023-05-09  7:24   ` Alain Volmat
2023-05-08 20:52 ` [PATCH 70/89] i2c: stm32f7: " Uwe Kleine-König
2023-05-09  7:25   ` Alain Volmat
2023-05-08 20:52 ` [PATCH 71/89] i2c: sun6i-p2wi: " Uwe Kleine-König
2023-05-10 19:03   ` Jernej Škrabec
2023-05-08 20:52 ` [PATCH 72/89] i2c: synquacer: " Uwe Kleine-König
2023-05-08 22:00   ` Ard Biesheuvel
2023-05-08 20:52 ` [PATCH 73/89] i2c: tegra-bpmp: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 74/89] i2c: tegra: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 75/89] i2c: uniphier-f: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 76/89] i2c: uniphier: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 77/89] i2c: versatile: " Uwe Kleine-König
2023-05-09  7:07   ` Linus Walleij
2023-05-08 20:52 ` [PATCH 78/89] i2c: viperboard: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 79/89] i2c: wmt: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 80/89] i2c: xgene-slimpro: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 81/89] i2c: xiic: " Uwe Kleine-König
2023-05-08 20:52 ` [PATCH 82/89] i2c: xlp9xx: " Uwe Kleine-König
2023-05-08 20:53 ` [PATCH 83/89] i2c: mux: arb-gpio-challenge: " Uwe Kleine-König
2023-05-09  6:09   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 84/89] i2c: mux: demux-pinctrl: " Uwe Kleine-König
2023-05-09  6:10   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 85/89] i2c: mux: gpio: " Uwe Kleine-König
2023-05-09  6:10   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 86/89] i2c: mux: gpmux: " Uwe Kleine-König
2023-05-09  6:10   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 87/89] i2c: mux: mlxcpld: " Uwe Kleine-König
2023-05-09  5:55   ` Vadim Pasternak
2023-05-09  6:11   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 88/89] i2c: mux: pinctrl: " Uwe Kleine-König
2023-05-09  6:11   ` Peter Rosin
2023-05-08 20:53 ` [PATCH 89/89] i2c: mux: reg: " Uwe Kleine-König
2023-05-09  6:11   ` Peter Rosin
2023-06-01  7:33 ` [PATCH 00/89] i2c: " Uwe Kleine-König
2023-06-01  7:33   ` Uwe Kleine-König
2023-06-01  7:43   ` Biju Das
2023-06-01  7:43     ` Biju Das
2023-06-01 13:54   ` Wolfram Sang
2023-06-05  7:54     ` Wolfram Sang

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