From: Thierry Reding Date: Wed, 6 May 2020 18:47:25 +0000 (+0200) Subject: i2c: tegra: Keep IRQs enabled during suspend/resume X-Git-Tag: v5.10.7~2313^2~43^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=26ca88aaea26cce966e4c9c4eaf2e0bb9a9f28ea;p=platform%2Fkernel%2Flinux-rpi.git i2c: tegra: Keep IRQs enabled during suspend/resume One of the I2C controllers on Tegra SoCs is typically connected to a system PMIC, which provides controls for critical power supplies for most platforms. Some drivers, such as PCI, need to disable these regulators during a very late stage during suspend and resume them at a very early stage during resume. To support these use-cases, keep interrupts disabled during suspend/ resume. Suggested-by: Dmitry Osipenko Signed-off-by: Thierry Reding --- diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 119377d..26673be 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1694,8 +1694,8 @@ static int tegra_i2c_probe(struct platform_device *pdev) irq_set_status_flags(i2c_dev->irq, IRQ_NOAUTOEN); - ret = devm_request_irq(&pdev->dev, i2c_dev->irq, - tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev); + ret = devm_request_irq(&pdev->dev, i2c_dev->irq, tegra_i2c_isr, + IRQF_NO_SUSPEND, dev_name(&pdev->dev), i2c_dev); if (ret) { dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq); goto release_dma;