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Tue, 06 Oct 2020 11:11:42 +0100 From: Marc Zyngier To: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 2/4] gpio: tegra186: Allow optional irq parent callbacks Date: Tue, 6 Oct 2020 11:11:35 +0100 Message-Id: <20201006101137.1393797-3-maz@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201006101137.1393797-1-maz@kernel.org> References: <20201006101137.1393797-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, thierry.reding@gmail.com, jonathanh@nvidia.com, digetx@gmail.com, skomatineni@nvidia.com, vreddytalla@nvidia.com, tglx@linutronix.de, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201006_061146_092830_16B5F9D4 X-CRM114-Status: GOOD ( 16.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Venkat Reddy Talla , Jonathan Hunter , Thierry Reding , Sowjanya Komatineni , Dmitry Osipenko , kernel-team@android.com, Thomas Gleixner 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 Make the tegra186 GPIO driver resistent to variable depth interrupt hierarchy, which we are about to introduce. No functionnal change yet. Signed-off-by: Marc Zyngier --- drivers/gpio/gpio-tegra186.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c index 178e9128ded0..9500074b1f1b 100644 --- a/drivers/gpio/gpio-tegra186.c +++ b/drivers/gpio/gpio-tegra186.c @@ -430,7 +430,18 @@ static int tegra186_irq_set_type(struct irq_data *data, unsigned int type) else irq_set_handler_locked(data, handle_edge_irq); - return irq_chip_set_type_parent(data, type); + if (data->parent_data) + return irq_chip_set_type_parent(data, type); + + return 0; +} + +static int tegra186_irq_set_wake(struct irq_data *data, unsigned int on) +{ + if (data->parent_data) + return irq_chip_set_wake_parent(data, on); + + return 0; } static void tegra186_gpio_irq(struct irq_desc *desc) @@ -678,7 +689,7 @@ static int tegra186_gpio_probe(struct platform_device *pdev) gpio->intc.irq_mask = tegra186_irq_mask; gpio->intc.irq_unmask = tegra186_irq_unmask; gpio->intc.irq_set_type = tegra186_irq_set_type; - gpio->intc.irq_set_wake = irq_chip_set_wake_parent; + gpio->intc.irq_set_wake = tegra186_irq_set_wake; irq = &gpio->gpio.irq; irq->chip = &gpio->intc; -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel