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Fri, 23 Jul 2021 03:59:23 -0400 (EDT) From: Andrew Jeffery To: linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org Cc: clg@kaod.org, robh+dt@kernel.org, joel@jms.id.au, pavel@ucw.cz, linus.walleij@linaro.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 2/6] pinctrl: Add hook for device-specific map parsing Date: Fri, 23 Jul 2021 17:28:54 +0930 Message-Id: <20210723075858.376378-3-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210723075858.376378-1-andrew@aj.id.au> References: <20210723075858.376378-1-andrew@aj.id.au> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210723_005928_857997_A0EDD01A X-CRM114-Status: GOOD ( 12.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The devicetree binding for the PCA955x LED/GPIO expanders was not written with pinctrl in mind. To maintain compatibility with existing devicetrees while implementing pinctrl support for the PCA955x devices, add the ability to parse a custom device node layout to pinctrl. Signed-off-by: Andrew Jeffery --- drivers/pinctrl/core.c | 6 +++++- include/linux/pinctrl/pinctrl.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 9c788f0e2844..e4862552eb9b 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1063,7 +1063,11 @@ static struct pinctrl *create_pinctrl(struct device *dev, INIT_LIST_HEAD(&p->states); INIT_LIST_HEAD(&p->dt_maps); - ret = pinctrl_dt_to_map(p, pctldev); + if (pctldev && pctldev->desc->pctlops->dt_dev_to_map) { + ret = pctldev->desc->pctlops->dt_dev_to_map(pctldev, dev); + } else { + ret = pinctrl_dt_to_map(p, pctldev); + } if (ret < 0) { kfree(p); return ERR_PTR(ret); diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 1ceebc499cc4..2eeec0af61fe 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -95,6 +95,7 @@ struct pinctrl_ops { unsigned *num_pins); void (*pin_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset); + int (*dt_dev_to_map) (struct pinctrl_dev *pctldev, struct device *dev); int (*dt_node_to_map) (struct pinctrl_dev *pctldev, struct device_node *np_config, struct pinctrl_map **map, unsigned *num_maps); -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel