On Thu, May 27, 2021 at 08:04:04PM +0800, qii.wang@xxxxxxxxxxxx wrote: > From: Qii Wang <qii.wang@xxxxxxxxxxxx> > > The i2c controller driver do dma reset after transfer timeout, > but sometimes dma reset will trigger an unexpected DMA_ERR irq. > It will cause the i2c controller to continuously send interrupts > to the system and cause soft lock-up. So we need to disable i2c > start_en and clear intr_stat to stop i2c controller before dma > reset when transfer timeout. > > Signed-off-by: Qii Wang <qii.wang@xxxxxxxxxxxx> Is there a suitable Fixes tag for this?
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