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Wed, 11 Oct 2023 05:09:49 -0700 (PDT) From: Bartosz Golaszewski To: Linus Walleij , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v2 46/62] pinctrl: change the signature of pinctrl_ready_for_gpio_range() Date: Wed, 11 Oct 2023 14:08:14 +0200 Message-Id: <20231011120830.49324-47-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231011120830.49324-1-brgl@bgdev.pl> References: <20231011120830.49324-1-brgl@bgdev.pl> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 11 Oct 2023 05:20:40 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779461723937296408 X-GMAIL-MSGID: 1779461723937296408 From: Bartosz Golaszewski Modify pinctrl_ready_for_gpio_range() to be in line with public GPIO helpers and take a pair of GPIO chip & offset as arguments Signed-off-by: Bartosz Golaszewski --- drivers/pinctrl/core.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 89df934d65bc..e3da8aeee01d 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -322,7 +322,8 @@ pinctrl_match_gpio_range(struct pinctrl_dev *pctldev, struct gpio_chip *gc, /** * pinctrl_ready_for_gpio_range() - check if other GPIO pins of * the same GPIO chip are in range - * @gpio: gpio pin to check taken from the global GPIO pin space + * @gc: GPIO chip structure from the GPIO subsystem + * @offset: hardware offset of the GPIO relative to the controller * * This function is complement of pinctrl_match_gpio_range(). If the return * value of pinctrl_match_gpio_range() is NULL, this function could be used @@ -333,19 +334,11 @@ pinctrl_match_gpio_range(struct pinctrl_dev *pctldev, struct gpio_chip *gc, * is false, it means that pinctrl device may not be ready. */ #ifdef CONFIG_GPIOLIB -static bool pinctrl_ready_for_gpio_range(unsigned gpio) +static bool pinctrl_ready_for_gpio_range(struct gpio_chip *gc, + unsigned int offset) { struct pinctrl_dev *pctldev; struct pinctrl_gpio_range *range = NULL; - /* - * FIXME: "gpio" here is a number in the global GPIO numberspace. - * get rid of this from the ranges eventually and get the GPIO - * descriptor from the gpio_chip. - */ - struct gpio_chip *chip = gpiod_to_chip(gpio_to_desc(gpio)); - - if (WARN(!chip, "no gpio_chip for gpio%i?", gpio)) - return false; mutex_lock(&pinctrldev_list_mutex); @@ -355,8 +348,8 @@ static bool pinctrl_ready_for_gpio_range(unsigned gpio) mutex_lock(&pctldev->mutex); list_for_each_entry(range, &pctldev->gpio_ranges, node) { /* Check if any gpio range overlapped with gpio chip */ - if (range->base + range->npins - 1 < chip->base || - range->base > chip->base + chip->ngpio - 1) + if (range->base + range->npins - 1 < gc->base || + range->base > gc->base + gc->ngpio - 1) continue; mutex_unlock(&pctldev->mutex); mutex_unlock(&pinctrldev_list_mutex); @@ -370,7 +363,11 @@ static bool pinctrl_ready_for_gpio_range(unsigned gpio) return false; } #else -static bool pinctrl_ready_for_gpio_range(unsigned gpio) { return true; } +static inline bool +pinctrl_ready_for_gpio_range(struct gpio_chip *gc, unsigned int offset) +{ + return true; +} #endif /** @@ -805,7 +802,7 @@ int pinctrl_gpio_request(struct gpio_chip *gc, unsigned int offset) ret = pinctrl_get_device_gpio_range(gc, offset, &pctldev, &range); if (ret) { - if (pinctrl_ready_for_gpio_range(gc->base + offset)) + if (pinctrl_ready_for_gpio_range(gc, offset)) ret = 0; return ret; }