Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933401AbeAJB65 (ORCPT + 1 other); Tue, 9 Jan 2018 20:58:57 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:42186 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933112AbeAJB6u (ORCPT ); Tue, 9 Jan 2018 20:58:50 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BAD2B60B1B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=sboyd@codeaurora.org From: Stephen Boyd To: Linus Walleij Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Timur Tabi , Andy Shevchenko , Bjorn Andersson , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/3] gpiolib: Export gpiochip_irqchip_irq_valid() to drivers Date: Tue, 9 Jan 2018 17:58:46 -0800 Message-Id: <20180110015848.11480-2-sboyd@codeaurora.org> X-Mailer: git-send-email 2.15.0.374.g5f9953d2c365 In-Reply-To: <20180110015848.11480-1-sboyd@codeaurora.org> References: <20180110015848.11480-1-sboyd@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Some pinctrl drivers can use the gpiochip irq valid information to figure out if certain gpios are exposed to the kernel for usage or not. Expose this API so we can use it in the pinmux_ops::request ops. Signed-off-by: Stephen Boyd --- drivers/gpio/gpiolib.c | 5 +++-- include/linux/gpio/driver.h | 3 +++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index b80936a25caa..c18b7b60ea1d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1503,14 +1503,15 @@ static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip) gpiochip->irq.valid_mask = NULL; } -static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, - unsigned int offset) +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, + unsigned int offset) { /* No mask means all valid */ if (likely(!gpiochip->irq.valid_mask)) return true; return test_bit(offset, gpiochip->irq.valid_mask); } +EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid); /** * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a gpiochip diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 7258cd676df4..1ba9a331ec51 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -436,6 +436,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip, struct lock_class_key *lock_key, struct lock_class_key *request_key); +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, + unsigned int offset); + #ifdef CONFIG_LOCKDEP /* -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project