From 431187eadbc7b0f2650d4e55111b3fff4720f867 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:27 +0100 Subject: [PATCH 01/15] memory: brcmstb_dpfe: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Acked-by: Markus Mayer Link: https://lore.kernel.org/r/94780e5a414b20b6effa1e87208c14620c854e88.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/brcmstb_dpfe.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c index a7ab3d377206..5028467b2dc9 100644 --- a/drivers/memory/brcmstb_dpfe.c +++ b/drivers/memory/brcmstb_dpfe.c @@ -909,13 +909,11 @@ static int brcmstb_dpfe_probe(struct platform_device *pdev) return ret; } -static int brcmstb_dpfe_remove(struct platform_device *pdev) +static void brcmstb_dpfe_remove(struct platform_device *pdev) { struct brcmstb_dpfe_priv *priv = dev_get_drvdata(&pdev->dev); sysfs_remove_groups(&pdev->dev.kobj, priv->dpfe_api->sysfs_attrs); - - return 0; } static const struct of_device_id brcmstb_dpfe_of_match[] = { @@ -936,7 +934,7 @@ static struct platform_driver brcmstb_dpfe_driver = { .of_match_table = brcmstb_dpfe_of_match, }, .probe = brcmstb_dpfe_probe, - .remove = brcmstb_dpfe_remove, + .remove_new = brcmstb_dpfe_remove, .resume = brcmstb_dpfe_resume, }; From f7754712ad6094de5be18674777b265ed4db2f45 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:28 +0100 Subject: [PATCH 02/15] memory: brcmstb_memc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/e4f3c86270161ce231cd0e4f3be9c632578e17a2.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/brcmstb_memc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/brcmstb_memc.c b/drivers/memory/brcmstb_memc.c index a6ea51996522..ea9213f7152e 100644 --- a/drivers/memory/brcmstb_memc.c +++ b/drivers/memory/brcmstb_memc.c @@ -152,13 +152,11 @@ static int brcmstb_memc_probe(struct platform_device *pdev) return 0; } -static int brcmstb_memc_remove(struct platform_device *pdev) +static void brcmstb_memc_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; sysfs_remove_group(&dev->kobj, &dev_attr_group); - - return 0; } enum brcmstb_memc_hwtype { @@ -284,7 +282,7 @@ static DEFINE_SIMPLE_DEV_PM_OPS(brcmstb_memc_pm_ops, brcmstb_memc_suspend, static struct platform_driver brcmstb_memc_driver = { .probe = brcmstb_memc_probe, - .remove = brcmstb_memc_remove, + .remove_new = brcmstb_memc_remove, .driver = { .name = "brcmstb_memc", .of_match_table = brcmstb_memc_of_match, From c8a53461990cb697ca494d6671fab9e196d20ce4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:29 +0100 Subject: [PATCH 03/15] memory: emif: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/da2fa8d040d542edc1318aeae5117317bb22aa06.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/emif.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index f305643209f0..434982545be6 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -1159,13 +1159,11 @@ static int __init_or_module emif_probe(struct platform_device *pdev) return -ENODEV; } -static int __exit emif_remove(struct platform_device *pdev) +static void __exit emif_remove(struct platform_device *pdev) { struct emif_data *emif = platform_get_drvdata(pdev); emif_debugfs_exit(emif); - - return 0; } static void emif_shutdown(struct platform_device *pdev) @@ -1185,7 +1183,7 @@ MODULE_DEVICE_TABLE(of, emif_of_match); #endif static struct platform_driver emif_driver = { - .remove = __exit_p(emif_remove), + .remove_new = __exit_p(emif_remove), .shutdown = emif_shutdown, .driver = { .name = "emif", From 021d044b0f9c9a09aa2f778e876e467a8810fb4a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:30 +0100 Subject: [PATCH 04/15] memory: fsl-corenet-cf: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/3b506dcf90b57c341e59bcf5af7ee69092a2d857.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/fsl-corenet-cf.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 8096c4f33303..f47d05f7c5c5 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -223,7 +223,7 @@ static int ccf_probe(struct platform_device *pdev) return 0; } -static int ccf_remove(struct platform_device *pdev) +static void ccf_remove(struct platform_device *pdev) { struct ccf_private *ccf = dev_get_drvdata(&pdev->dev); @@ -241,8 +241,6 @@ static int ccf_remove(struct platform_device *pdev) iowrite32be(0, &ccf->err_regs->errinten); break; } - - return 0; } static struct platform_driver ccf_driver = { @@ -251,7 +249,7 @@ static struct platform_driver ccf_driver = { .of_match_table = ccf_matches, }, .probe = ccf_probe, - .remove = ccf_remove, + .remove_new = ccf_remove, }; module_platform_driver(ccf_driver); From f17130855d51f24563a24cd957add769ad59eee9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:31 +0100 Subject: [PATCH 05/15] memory: fsl_ifc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/4c90b971e9816320586f4e01e68c95331b8e524a.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/fsl_ifc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c index 2509e5152036..15e919c24f81 100644 --- a/drivers/memory/fsl_ifc.c +++ b/drivers/memory/fsl_ifc.c @@ -84,7 +84,7 @@ static int fsl_ifc_ctrl_init(struct fsl_ifc_ctrl *ctrl) return 0; } -static int fsl_ifc_ctrl_remove(struct platform_device *dev) +static void fsl_ifc_ctrl_remove(struct platform_device *dev) { struct fsl_ifc_ctrl *ctrl = dev_get_drvdata(&dev->dev); @@ -98,8 +98,6 @@ static int fsl_ifc_ctrl_remove(struct platform_device *dev) iounmap(ctrl->gregs); dev_set_drvdata(&dev->dev, NULL); - - return 0; } /* @@ -318,7 +316,7 @@ static struct platform_driver fsl_ifc_ctrl_driver = { .of_match_table = fsl_ifc_match, }, .probe = fsl_ifc_ctrl_probe, - .remove = fsl_ifc_ctrl_remove, + .remove_new = fsl_ifc_ctrl_remove, }; static int __init fsl_ifc_init(void) From 9024fbbd77b4d73279bbbe2c748a4e4b414d50cc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:32 +0100 Subject: [PATCH 06/15] memory: jz4780-nemc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Acked-by: Paul Cercueil Link: https://lore.kernel.org/r/fa609b805a7ed6e4c6ce81464528ea4163625d67.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/jz4780-nemc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/memory/jz4780-nemc.c b/drivers/memory/jz4780-nemc.c index e5a93e7da15f..fb6db2ffe71b 100644 --- a/drivers/memory/jz4780-nemc.c +++ b/drivers/memory/jz4780-nemc.c @@ -384,12 +384,11 @@ static int jz4780_nemc_probe(struct platform_device *pdev) return 0; } -static int jz4780_nemc_remove(struct platform_device *pdev) +static void jz4780_nemc_remove(struct platform_device *pdev) { struct jz4780_nemc *nemc = platform_get_drvdata(pdev); clk_disable_unprepare(nemc->clk); - return 0; } static const struct jz_soc_info jz4740_soc_info = { @@ -408,7 +407,7 @@ static const struct of_device_id jz4780_nemc_dt_match[] = { static struct platform_driver jz4780_nemc_driver = { .probe = jz4780_nemc_probe, - .remove = jz4780_nemc_remove, + .remove_new = jz4780_nemc_remove, .driver = { .name = "jz4780-nemc", .of_match_table = of_match_ptr(jz4780_nemc_dt_match), From 08c1aeaa45ce0fd18912e92c6705586c8aa5240f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:33 +0100 Subject: [PATCH 07/15] memory: mtk-smi: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/5c35a33cfdc359842e034ddd2e9358f10e91fa1f.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/mtk-smi.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index 6523cb510518..572c7fbdcfd3 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -566,14 +566,13 @@ static int mtk_smi_larb_probe(struct platform_device *pdev) return ret; } -static int mtk_smi_larb_remove(struct platform_device *pdev) +static void mtk_smi_larb_remove(struct platform_device *pdev) { struct mtk_smi_larb *larb = platform_get_drvdata(pdev); device_link_remove(&pdev->dev, larb->smi_common_dev); pm_runtime_disable(&pdev->dev); component_del(&pdev->dev, &mtk_smi_larb_component_ops); - return 0; } static int __maybe_unused mtk_smi_larb_resume(struct device *dev) @@ -616,7 +615,7 @@ static const struct dev_pm_ops smi_larb_pm_ops = { static struct platform_driver mtk_smi_larb_driver = { .probe = mtk_smi_larb_probe, - .remove = mtk_smi_larb_remove, + .remove_new = mtk_smi_larb_remove, .driver = { .name = "mtk-smi-larb", .of_match_table = mtk_smi_larb_of_ids, @@ -795,14 +794,13 @@ static int mtk_smi_common_probe(struct platform_device *pdev) return 0; } -static int mtk_smi_common_remove(struct platform_device *pdev) +static void mtk_smi_common_remove(struct platform_device *pdev) { struct mtk_smi *common = dev_get_drvdata(&pdev->dev); if (common->plat->type == MTK_SMI_GEN2_SUB_COMM) device_link_remove(&pdev->dev, common->smi_common_dev); pm_runtime_disable(&pdev->dev); - return 0; } static int __maybe_unused mtk_smi_common_resume(struct device *dev) @@ -842,7 +840,7 @@ static const struct dev_pm_ops smi_common_pm_ops = { static struct platform_driver mtk_smi_common_driver = { .probe = mtk_smi_common_probe, - .remove = mtk_smi_common_remove, + .remove_new = mtk_smi_common_remove, .driver = { .name = "mtk-smi-common", .of_match_table = mtk_smi_common_of_ids, From 6a4edb1a4f61e28cc127cd06c470ce3599ee0d9c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:34 +0100 Subject: [PATCH 08/15] memory: omap-gpmc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Reviewed-by: Tony Lindgren Link: https://lore.kernel.org/r/019d9dc31af9b30a6b675fec219e64b667475efd.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/omap-gpmc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index d78f73db37c8..80d038884207 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2690,7 +2690,7 @@ static int gpmc_probe(struct platform_device *pdev) return rc; } -static int gpmc_remove(struct platform_device *pdev) +static void gpmc_remove(struct platform_device *pdev) { int i; struct gpmc_device *gpmc = platform_get_drvdata(pdev); @@ -2702,8 +2702,6 @@ static int gpmc_remove(struct platform_device *pdev) gpmc_mem_exit(); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -2747,7 +2745,7 @@ MODULE_DEVICE_TABLE(of, gpmc_dt_ids); static struct platform_driver gpmc_driver = { .probe = gpmc_probe, - .remove = gpmc_remove, + .remove_new = gpmc_remove, .driver = { .name = DEVICE_NAME, .of_match_table = of_match_ptr(gpmc_dt_ids), From 961abc9f7d6771e8f13db1f4d8b0ffff3f0f41a4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:35 +0100 Subject: [PATCH 09/15] memory: renesas-rpc-if: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/a7d47700879e10384080b20728aa13ff349fc321.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/renesas-rpc-if.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 9695b2d3ae59..3167826b236a 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -777,13 +777,11 @@ static int rpcif_probe(struct platform_device *pdev) return 0; } -static int rpcif_remove(struct platform_device *pdev) +static void rpcif_remove(struct platform_device *pdev) { struct rpcif_priv *rpc = platform_get_drvdata(pdev); platform_device_unregister(rpc->vdev); - - return 0; } static const struct of_device_id rpcif_of_match[] = { @@ -797,7 +795,7 @@ MODULE_DEVICE_TABLE(of, rpcif_of_match); static struct platform_driver rpcif_driver = { .probe = rpcif_probe, - .remove = rpcif_remove, + .remove_new = rpcif_remove, .driver = { .name = "rpc-if", .of_match_table = rpcif_of_match, From 8013408e4912fb7e469bb8b14fd3a5c956257eec Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:36 +0100 Subject: [PATCH 10/15] memory: exynos5422-dmc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/167dbda286584eafec07da8c11673da07ba72362.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/samsung/exynos5422-dmc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 6d019dbd721c..da7ecd921c72 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -1558,7 +1558,7 @@ static int exynos5_dmc_probe(struct platform_device *pdev) * clean the device's resources. It just calls explicitly disable function for * the performance counters. */ -static int exynos5_dmc_remove(struct platform_device *pdev) +static void exynos5_dmc_remove(struct platform_device *pdev) { struct exynos5_dmc *dmc = dev_get_drvdata(&pdev->dev); @@ -1569,8 +1569,6 @@ static int exynos5_dmc_remove(struct platform_device *pdev) clk_disable_unprepare(dmc->mout_bpll); clk_disable_unprepare(dmc->fout_bpll); - - return 0; } static const struct of_device_id exynos5_dmc_of_match[] = { @@ -1581,7 +1579,7 @@ MODULE_DEVICE_TABLE(of, exynos5_dmc_of_match); static struct platform_driver exynos5_dmc_platdrv = { .probe = exynos5_dmc_probe, - .remove = exynos5_dmc_remove, + .remove_new = exynos5_dmc_remove, .driver = { .name = "exynos5-dmc", .of_match_table = exynos5_dmc_of_match, From 1455b6b0c83132960826d0e527a79a355e096a80 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:37 +0100 Subject: [PATCH 11/15] memory: stm32-fmc2-ebi: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/fa74d4ae3cbf337dcae66db8479125fec8078153.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/stm32-fmc2-ebi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c index 9015e8277dc8..47d0ea5f1616 100644 --- a/drivers/memory/stm32-fmc2-ebi.c +++ b/drivers/memory/stm32-fmc2-ebi.c @@ -1146,7 +1146,7 @@ static int stm32_fmc2_ebi_probe(struct platform_device *pdev) return ret; } -static int stm32_fmc2_ebi_remove(struct platform_device *pdev) +static void stm32_fmc2_ebi_remove(struct platform_device *pdev) { struct stm32_fmc2_ebi *ebi = platform_get_drvdata(pdev); @@ -1154,8 +1154,6 @@ static int stm32_fmc2_ebi_remove(struct platform_device *pdev) stm32_fmc2_ebi_disable_banks(ebi); stm32_fmc2_ebi_disable(ebi); clk_disable_unprepare(ebi->clk); - - return 0; } static int __maybe_unused stm32_fmc2_ebi_suspend(struct device *dev) @@ -1197,7 +1195,7 @@ MODULE_DEVICE_TABLE(of, stm32_fmc2_ebi_match); static struct platform_driver stm32_fmc2_ebi_driver = { .probe = stm32_fmc2_ebi_probe, - .remove = stm32_fmc2_ebi_remove, + .remove_new = stm32_fmc2_ebi_remove, .driver = { .name = "stm32_fmc2_ebi", .of_match_table = stm32_fmc2_ebi_match, From dcefa0368458e9e20642dbd2608adae6b22e6464 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:38 +0100 Subject: [PATCH 12/15] memory: tegra186-emc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/8481c7e7d5b024325e6b1aabf7cb3a3707d211d6.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/tegra/tegra186-emc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c index 4007f4e16d74..fcd4aea48bda 100644 --- a/drivers/memory/tegra/tegra186-emc.c +++ b/drivers/memory/tegra/tegra186-emc.c @@ -378,7 +378,7 @@ static int tegra186_emc_probe(struct platform_device *pdev) return err; } -static int tegra186_emc_remove(struct platform_device *pdev) +static void tegra186_emc_remove(struct platform_device *pdev) { struct tegra_mc *mc = dev_get_drvdata(pdev->dev.parent); struct tegra186_emc *emc = platform_get_drvdata(pdev); @@ -387,8 +387,6 @@ static int tegra186_emc_remove(struct platform_device *pdev) mc->bpmp = NULL; tegra_bpmp_put(emc->bpmp); - - return 0; } static const struct of_device_id tegra186_emc_of_match[] = { @@ -413,7 +411,7 @@ static struct platform_driver tegra186_emc_driver = { .sync_state = icc_sync_state, }, .probe = tegra186_emc_probe, - .remove = tegra186_emc_remove, + .remove_new = tegra186_emc_remove, }; module_platform_driver(tegra186_emc_driver); From 622fa819a2f0f3e6d8322a0b6d3177302ae937b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:39 +0100 Subject: [PATCH 13/15] memory: tegra210-emc: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/3e2951685dddbc0ab32244916a9849af206a6730.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/tegra/tegra210-emc-core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/tegra/tegra210-emc-core.c b/drivers/memory/tegra/tegra210-emc-core.c index 3300bde47c13..78ca1d6c0977 100644 --- a/drivers/memory/tegra/tegra210-emc-core.c +++ b/drivers/memory/tegra/tegra210-emc-core.c @@ -1985,15 +1985,13 @@ static int tegra210_emc_probe(struct platform_device *pdev) return err; } -static int tegra210_emc_remove(struct platform_device *pdev) +static void tegra210_emc_remove(struct platform_device *pdev) { struct tegra210_emc *emc = platform_get_drvdata(pdev); debugfs_remove_recursive(emc->debugfs.root); tegra210_clk_emc_detach(emc->clk); of_reserved_mem_device_release(emc->dev); - - return 0; } static int __maybe_unused tegra210_emc_suspend(struct device *dev) @@ -2053,7 +2051,7 @@ static struct platform_driver tegra210_emc_driver = { .pm = &tegra210_emc_pm_ops, }, .probe = tegra210_emc_probe, - .remove = tegra210_emc_remove, + .remove_new = tegra210_emc_remove, }; module_platform_driver(tegra210_emc_driver); From 7852eb8c8ac7e0164b43cc5f8d8245cc3a037620 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:40 +0100 Subject: [PATCH 14/15] memory: ti-aemif: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/bef01091df036c82a6a6144d3aafd1d7b7be109e.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/ti-aemif.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/memory/ti-aemif.c b/drivers/memory/ti-aemif.c index f81e7df8798a..e192db9e0e4b 100644 --- a/drivers/memory/ti-aemif.c +++ b/drivers/memory/ti-aemif.c @@ -427,17 +427,16 @@ static int aemif_probe(struct platform_device *pdev) return ret; } -static int aemif_remove(struct platform_device *pdev) +static void aemif_remove(struct platform_device *pdev) { struct aemif_device *aemif = platform_get_drvdata(pdev); clk_disable_unprepare(aemif->clk); - return 0; } static struct platform_driver aemif_driver = { .probe = aemif_probe, - .remove = aemif_remove, + .remove_new = aemif_remove, .driver = { .name = "ti-aemif", .of_match_table = of_match_ptr(aemif_of_match), From 365fcc03b6321f36eb7cbda8baa737238c387907 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Dec 2023 15:29:41 +0100 Subject: [PATCH 15/15] memory: ti-emif-pm: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/c69f64ad0e89fe2a37b281d44ebfb55b565b50bf.1702822744.git.u.kleine-koenig@pengutronix.de Signed-off-by: Krzysztof Kozlowski --- drivers/memory/ti-emif-pm.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/ti-emif-pm.c b/drivers/memory/ti-emif-pm.c index cef0d3beb63b..592f70e9c8e5 100644 --- a/drivers/memory/ti-emif-pm.c +++ b/drivers/memory/ti-emif-pm.c @@ -315,15 +315,13 @@ static int ti_emif_probe(struct platform_device *pdev) return ret; } -static int ti_emif_remove(struct platform_device *pdev) +static void ti_emif_remove(struct platform_device *pdev) { struct ti_emif_data *emif_data = emif_instance; emif_instance = NULL; ti_emif_free_sram(emif_data); - - return 0; } static const struct dev_pm_ops ti_emif_pm_ops = { @@ -332,7 +330,7 @@ static const struct dev_pm_ops ti_emif_pm_ops = { static struct platform_driver ti_emif_driver = { .probe = ti_emif_probe, - .remove = ti_emif_remove, + .remove_new = ti_emif_remove, .driver = { .name = KBUILD_MODNAME, .of_match_table = ti_emif_of_match,