{"id":2232869,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2232869/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260505100523.1922388-20-vladimir.oltean@nxp.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/1.2/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260505100523.1922388-20-vladimir.oltean@nxp.com>","list_archive_url":null,"date":"2026-05-05T10:05:11","name":"[v8,phy-next,19/31] phy: make phy_get_mode(), phy_get_bus_width() NULL tolerant","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"88d3b7f3fd7015246d3daa086531900b89be80f2","submitter":{"id":75582,"url":"http://patchwork.ozlabs.org/api/1.2/people/75582/?format=json","name":"Vladimir Oltean","email":"vladimir.oltean@nxp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260505100523.1922388-20-vladimir.oltean@nxp.com/mbox/","series":[{"id":502803,"url":"http://patchwork.ozlabs.org/api/1.2/series/502803/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=502803","date":"2026-05-05T10:04:53","name":"Split Generic PHY consumer and provider API","version":8,"mbox":"http://patchwork.ozlabs.org/series/502803/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232869/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2232869/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256\n 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,\n\tdri-devel@lists.freedesktop.org,\n\tfreedreno@lists.freedesktop.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-arm-msm@vger.kernel.org,\n\tlinux-can@vger.kernel.org,\n\tlinux-gpio@vger.kernel.org,\n\tlinux-ide@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-media@vger.kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-renesas-soc@vger.kernel.org,\n\tlinux-riscv@lists.infradead.org,\n\tlinux-rockchip@lists.infradead.org,\n\tlinux-samsung-soc@vger.kernel.org,\n\tlinux-scsi@vger.kernel.org,\n\tlinux-sunxi@lists.linux.dev,\n\tlinux-tegra@vger.kernel.org,\n\tlinux-usb@vger.kernel.org,\n\tnetdev@vger.kernel.org,\n\tspacemit@lists.linux.dev,\n\tUNGLinuxDriver@microchip.com","Subject":"[PATCH v8 phy-next 19/31] phy: make phy_get_mode(),\n phy_get_bus_width() NULL tolerant","Date":"Tue, 5 May 2026 13:05:11 +0300","Message-Id":"<20260505100523.1922388-20-vladimir.oltean@nxp.com>","X-Mailer":"git-send-email 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c7fb6cf6-0481-4c47-edab-08deaa8df368","X-MS-Exchange-CrossTenant-AuthSource":"AM9PR04MB8585.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"05 May 2026 10:06:18.6754\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"686ea1d3-bc2b-4c6f-a92c-d99c5c301635","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n KvyEhIHLQnmLBRKszQMYOPkkkFVb6nyZ2yYGSCYppqzBghAF7Ues+fbv85bXGghMCX5WynQUNFKY3Z0hMoyCTg==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DB9PR04MB8363"},"content":"The PHY API has an optional \"get\" which returns NULL, so it needs to\naccept that NULL coming back in.\n\nMost PHY functions do this, only the formerly static inline attribute\ndereferences did not.\n\nSigned-off-by: Vladimir Oltean \n---\nv7->v8: remove phy_set_bus_width() from this change, it has become a\n provider function which does not need the protection\nv2->v7: none\nv1->v2: patch is new\nSigned-off-by: Vladimir Oltean \n---\n drivers/phy/phy-core.c | 6 ++++++\n include/linux/phy/phy.h | 2 ++\n 2 files changed, 8 insertions(+)","diff":"diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c\nindex fe933629286b..6cd33204d2ff 100644\n--- a/drivers/phy/phy-core.c\n+++ b/drivers/phy/phy-core.c\n@@ -624,12 +624,18 @@ EXPORT_SYMBOL_GPL(phy_validate);\n \n enum phy_mode phy_get_mode(struct phy *phy)\n {\n+\tif (!phy)\n+\t\treturn PHY_MODE_INVALID;\n+\n \treturn phy->attrs.mode;\n }\n EXPORT_SYMBOL_GPL(phy_get_mode);\n \n int phy_get_bus_width(struct phy *phy)\n {\n+\tif (!phy)\n+\t\treturn 0;\n+\n \treturn phy->attrs.bus_width;\n }\n EXPORT_SYMBOL_GPL(phy_get_bus_width);\ndiff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h\nindex d716e5e0584c..99d3d65da614 100644\n--- a/include/linux/phy/phy.h\n+++ b/include/linux/phy/phy.h\n@@ -248,6 +248,8 @@ static inline int phy_notify_state(struct phy *phy, union phy_notify state)\n \n static inline int phy_get_bus_width(struct phy *phy)\n {\n+\tif (!phy)\n+\t\treturn 0;\n \treturn -ENOSYS;\n }\n \n","prefixes":["v8","phy-next","19/31"]}