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[92.34.215.146]) by smtp.gmail.com with ESMTPSA id c9sm3301534lfd.98.2020.11.17.13.36.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Nov 2020 13:36:08 -0800 (PST) From: Linus Walleij To: linux-gpio@vger.kernel.org Cc: Bartosz Golaszewski , Linus Walleij , Thierry Reding , Vidya Sagar , Marc Zyngier Subject: [PATCH 2/2 v1] gpio: tegra186: Set affinity callback to parent Date: Tue, 17 Nov 2020 22:33:51 +0100 Message-Id: <20201117213351.249668-2-linus.walleij@linaro.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201117213351.249668-1-linus.walleij@linaro.org> References: <20201117213351.249668-1-linus.walleij@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This assigns the .irq_set_affinity to the parent callback. I assume the Tegra186 is an SMP system so this would be beneficial. I used the pattern making the hirerarchy tolerant for missing parent as in Marc's earlier patch. Cc: Thierry Reding Cc: Vidya Sagar Suggested-by: Marc Zyngier Signed-off-by: Linus Walleij --- ChangeLog RFT->v1: - Make the affinity setting call return -EINVAL if there is no parent. - Real patch because now we believe in this --- drivers/gpio/gpio-tegra186.c | 11 +++++++++++ 1 file changed, 11 insertions(+) -- 2.26.2 diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c index 9500074b1f1b..286e0b1f46e4 100644 --- a/drivers/gpio/gpio-tegra186.c +++ b/drivers/gpio/gpio-tegra186.c @@ -444,6 +444,16 @@ static int tegra186_irq_set_wake(struct irq_data *data, unsigned int on) return 0; } +static int tegra186_irq_set_affinity(struct irq_data *data, + const struct cpumask *dest, + bool force) +{ + if (data->parent_data) + return irq_chip_set_affinity_parent(data, dest, force); + + return -EINVAL; +} + static void tegra186_gpio_irq(struct irq_desc *desc) { struct tegra_gpio *gpio = irq_desc_get_handler_data(desc); @@ -690,6 +700,7 @@ static int tegra186_gpio_probe(struct platform_device *pdev) gpio->intc.irq_unmask = tegra186_irq_unmask; gpio->intc.irq_set_type = tegra186_irq_set_type; gpio->intc.irq_set_wake = tegra186_irq_set_wake; + gpio->intc.irq_set_affinity = tegra186_irq_set_affinity; irq = &gpio->gpio.irq; irq->chip = &gpio->intc;