{"id":2231311,"url":"http://patchwork.ozlabs.org/api/patches/2231311/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/130ce567f23fd6eef8f5fa7273480a0e3ff2d1d9.1777562482.git.geert+renesas@glider.be/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/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":"<130ce567f23fd6eef8f5fa7273480a0e3ff2d1d9.1777562482.git.geert+renesas@glider.be>","list_archive_url":null,"date":"2026-04-30T15:24:42","name":"pinctrl: renesas: sh-pfc: Implement .pin_config_group_get() callback","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f1f0f975c51bb2f4ddba5cb9ce5feaae57539f9a","submitter":{"id":63808,"url":"http://patchwork.ozlabs.org/api/people/63808/?format=json","name":"Geert Uytterhoeven","email":"geert+renesas@glider.be"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/130ce567f23fd6eef8f5fa7273480a0e3ff2d1d9.1777562482.git.geert+renesas@glider.be/mbox/","series":[{"id":502327,"url":"http://patchwork.ozlabs.org/api/series/502327/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=502327","date":"2026-04-30T15:24:42","name":"pinctrl: renesas: sh-pfc: Implement .pin_config_group_get() callback","version":1,"mbox":"http://patchwork.ozlabs.org/series/502327/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231311/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231311/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 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=104.64.211.4; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777562693; cv=none;\n b=Y09wYv9QvSmKTyzLPDoo3EoM6Z5gD/2Z4gh5Omg2E2INK88NhTvAldJtMTIOKaidMJ9BHwWnYJ61o1ppShd2YazQWH4IeyMeVmvKwBuWyqMK22/JjuT7pJAbN5rQx7AZtgKrc/ehnLwDvNKykbwcNB1O5SjoS6fIpurrF+SQMjY=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777562693; c=relaxed/simple;\n\tbh=Go5IO0ICsgjbSg2VRkkV0bj8rpVzNKrIIPdwX1/qHOw=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=iRVpGdvutBZfLOMrcdgLzI9SKmTlX9fMdeCZn0xa5kxMy6LLIFdN8Gk6f0PFks7A+zSXKtg/gEFxSK+fKVwXUJqTgbayb0sngevgcfhKGldsiU9Ie62SVk2CfnFGxEawXjQtEJiCJgExazDAVRoqCBgf2OWibRc2HVH2jGZm788=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201","From":"Geert Uytterhoeven ","To":"Linus Walleij ","Cc":"linux-renesas-soc@vger.kernel.org,\n\tlinux-gpio@vger.kernel.org,\n\tGeert Uytterhoeven ","Subject":"[PATCH] pinctrl: renesas: sh-pfc: Implement .pin_config_group_get()\n callback","Date":"Thu, 30 Apr 2026 17:24:42 +0200","Message-ID":"\n <130ce567f23fd6eef8f5fa7273480a0e3ff2d1d9.1777562482.git.geert+renesas@glider.be>","X-Mailer":"git-send-email 2.43.0","Precedence":"bulk","X-Mailing-List":"linux-gpio@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"When reading /sys/kernel/debug/pinctrl/*.pinctrl-sh-pfc/pinconf-groups\nwhile CONFIG_DEBUG_PINCTRL is enabled, the user is confronted with a\nseemlingly endless stream of identical messages on the console:\n\n sh-pfc e6060000.pinctrl: cannot get configuration for pin group, missing group config get function in driver\n\nFix this by implementing the sh_pfc_pinconf_ops.pin_config_group_get()\ncallback.\n\nSigned-off-by: Geert Uytterhoeven \n---\nTested on R-Car M2-W, R-Car H3 ES2.0, and R-Car V4M (more to follow).\nTo be queued in renesas-pinctrl for v7.2.\n\n drivers/pinctrl/renesas/pinctrl.c | 25 +++++++++++++++++++++++++\n 1 file changed, 25 insertions(+)","diff":"diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c\nindex 3a742f74ecd1dcdf..8585ed4bcfe0961d 100644\n--- a/drivers/pinctrl/renesas/pinctrl.c\n+++ b/drivers/pinctrl/renesas/pinctrl.c\n@@ -719,6 +719,30 @@ static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned _pin,\n \treturn 0;\n }\n \n+static int sh_pfc_pinconf_group_get(struct pinctrl_dev *pctldev,\n+\t\t\t\t unsigned int group, unsigned long *config)\n+{\n+\tstruct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);\n+\tconst unsigned int *pins = pmx->pfc->info->groups[group].pins;\n+\tunsigned int num_pins = pmx->pfc->info->groups[group].nr_pins;\n+\tunsigned long prev_config = 0;\n+\tint ret;\n+\n+\tfor (unsigned int i = 0; i < num_pins; ++i) {\n+\t\tret = sh_pfc_pinconf_get(pctldev, pins[i], config);\n+\t\tif (ret)\n+\t\t\treturn ret;\n+\n+\t\t/* configs should match for all pins in the group */\n+\t\tif (i && prev_config != *config)\n+\t\t\treturn -ENOTSUPP;\n+\n+\t\tprev_config = *config;\n+\t}\n+\n+\treturn 0;\n+}\n+\n static int sh_pfc_pinconf_group_set(struct pinctrl_dev *pctldev, unsigned group,\n \t\t\t\t unsigned long *configs,\n \t\t\t\t unsigned num_configs)\n@@ -745,6 +769,7 @@ static const struct pinconf_ops sh_pfc_pinconf_ops = {\n \t.is_generic\t\t\t= true,\n \t.pin_config_get\t\t\t= sh_pfc_pinconf_get,\n \t.pin_config_set\t\t\t= sh_pfc_pinconf_set,\n+\t.pin_config_group_get\t\t= sh_pfc_pinconf_group_get,\n \t.pin_config_group_set\t\t= sh_pfc_pinconf_group_set,\n \t.pin_config_config_dbg_show\t= pinconf_generic_dump_config,\n };\n","prefixes":[]}