| Message ID | 20210120004548.31692-1-digetx@gmail.com |
|---|---|
| State | Rejected |
| Headers | show |
| Series | [v1] gpio: tegra: Fix irq_set_affinity | expand |
On Wed, Jan 20, 2021 at 1:46 AM Dmitry Osipenko <digetx@gmail.com> wrote: > The irq_set_affinity callback should not be set if parent IRQ domain > doesn't present because gpio-tegra driver callback fails in this case, > causing a noisy error messages on system suspend: > > Disabling non-boot CPUs ... > IRQ 26: no longer affine to CPU1 > IRQ128: set affinity failed(-22). > IRQ130: set affinity failed(-22). > IRQ131: set affinity failed(-22). > IRQ 27: no longer affine to CPU2 > IRQ128: set affinity failed(-22). > IRQ130: set affinity failed(-22). > IRQ131: set affinity failed(-22). > IRQ 28: no longer affine to CPU3 > IRQ128: set affinity failed(-22). > IRQ130: set affinity failed(-22). > IRQ131: set affinity failed(-22). > Entering suspend state LP1 > > Hence just don't specify the irq_set_affinity callback if parent PMC > IRQ domain is missing. Tegra isn't capable of setting affinity per GPIO, > affinity could be set only per GPIO bank, thus there is nothing to do > for gpio-tegra in regards to CPU affinity without the parent IRQ domain. > > Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30 > Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30 > Tested-by: Dmitry Osipenko <digetx@gmail.com> # A500 T20 and Nexus7 T30 > Fixes: efcdca286eef ("gpio: tegra: Convert to gpio_irq_chip") > Reported-by: Matt Merhar <mattmerhar@protonmail.com> > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Ick, sorry for the noise! Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
On Fri, Jan 22, 2021 at 1:56 PM Linus Walleij <linus.walleij@linaro.org> wrote: > > On Wed, Jan 20, 2021 at 1:46 AM Dmitry Osipenko <digetx@gmail.com> wrote: > > > The irq_set_affinity callback should not be set if parent IRQ domain > > doesn't present because gpio-tegra driver callback fails in this case, > > causing a noisy error messages on system suspend: > > > > Disabling non-boot CPUs ... > > IRQ 26: no longer affine to CPU1 > > IRQ128: set affinity failed(-22). > > IRQ130: set affinity failed(-22). > > IRQ131: set affinity failed(-22). > > IRQ 27: no longer affine to CPU2 > > IRQ128: set affinity failed(-22). > > IRQ130: set affinity failed(-22). > > IRQ131: set affinity failed(-22). > > IRQ 28: no longer affine to CPU3 > > IRQ128: set affinity failed(-22). > > IRQ130: set affinity failed(-22). > > IRQ131: set affinity failed(-22). > > Entering suspend state LP1 > > > > Hence just don't specify the irq_set_affinity callback if parent PMC > > IRQ domain is missing. Tegra isn't capable of setting affinity per GPIO, > > affinity could be set only per GPIO bank, thus there is nothing to do > > for gpio-tegra in regards to CPU affinity without the parent IRQ domain. > > > > Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30 > > Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30 > > Tested-by: Dmitry Osipenko <digetx@gmail.com> # A500 T20 and Nexus7 T30 > > Fixes: efcdca286eef ("gpio: tegra: Convert to gpio_irq_chip") > > Reported-by: Matt Merhar <mattmerhar@protonmail.com> > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> > > Ick, sorry for the noise! > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > > Yours, > Linus Walleij Patch applied, thanks! Bartosz
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 6c79e9d2f932..9a43129313fa 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -701,7 +701,6 @@ static int tegra_gpio_probe(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP tgi->ic.irq_set_wake = tegra_gpio_irq_set_wake; #endif - tgi->ic.irq_set_affinity = tegra_gpio_irq_set_affinity; tgi->ic.irq_request_resources = tegra_gpio_irq_request_resources; tgi->ic.irq_release_resources = tegra_gpio_irq_release_resources; @@ -754,6 +753,8 @@ static int tegra_gpio_probe(struct platform_device *pdev) if (!irq->parent_domain) return -EPROBE_DEFER; + + tgi->ic.irq_set_affinity = tegra_gpio_irq_set_affinity; } tgi->regs = devm_platform_ioremap_resource(pdev, 0);