lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 6 Oct 2020 11:11:35 +0100 From: Marc Zyngier <maz@...nel.org> To: linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: Thierry Reding <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>, Dmitry Osipenko <digetx@...il.com>, Sowjanya Komatineni <skomatineni@...dia.com>, Venkat Reddy Talla <vreddytalla@...dia.com>, Thomas Gleixner <tglx@...utronix.de>, kernel-team@...roid.com Subject: [PATCH v2 2/4] gpio: tegra186: Allow optional irq parent callbacks 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 <maz@...nel.org> --- 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
Powered by blists - more mailing lists