Re: [PATCH] i2c: mediatek: move dma reset before i2c reset

2020-11-03 Thread Wolfram Sang
On Fri, Oct 30, 2020 at 07:58:01PM +0800, qii.w...@mediatek.com wrote: > From: Qii Wang > > The i2c driver default do dma reset after i2c reset, but sometimes > i2c reset will trigger dma tx2rx, then apdma write data to dram > which has been i2c_put_dma_safe_msg_buf(kfree). Move dma reset >

[PATCH] i2c: mediatek: move dma reset before i2c reset

2020-10-30 Thread qii.wang
From: Qii Wang The i2c driver default do dma reset after i2c reset, but sometimes i2c reset will trigger dma tx2rx, then apdma write data to dram which has been i2c_put_dma_safe_msg_buf(kfree). Move dma reset before i2c reset in mtk_i2c_init_hw to fix it. Signed-off-by: Qii Wang ---