On Thu, Sep 17, 2020 at 06:02:26PM +0300, Dmitry Osipenko wrote: > 17.09.2020 15:37, Thierry Reding пишет: > ... > >> + /* interrupt will be enabled during of transfer time */ > >> + irq_set_status_flags(i2c_dev->irq, IRQ_NOAUTOEN); > ^^^^^^^^^^^^ > > >> + ret = devm_request_irq(&pdev->dev, i2c_dev->irq, tegra_i2c_isr, > >> + IRQF_NO_SUSPEND, dev_name(&pdev->dev), > >> + i2c_dev); > >> + if (ret) > >> + return ret; > > > > Is it safe to install the interrupt handler at this point? What if, > > perhaps because some bootloader didn't properly quiesce the I2C > > controller, an interrupt triggers immediately after this? > > This is why we're using the IRQ_NOAUTOEN flag above :)
Ah, I missed that. Seems fine then: Reviewed-by: Thierry Reding <[email protected]>
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