[PATCH v6 9/9] i2c: rcar: skip DMA if buffer is not safe

This HW is prone to races, so it needs to setup new messages in irq context. That means we can't alloc bounce buffers if a message buffer is not DMA safe. So, in that case, simply fall back to PIO. Reviewed-by: Jonathan Cameron Signed-off-by: Wolfram Sang

[PATCH v6 9/9] i2c: rcar: skip DMA if buffer is not safe

This HW is prone to races, so it needs to setup new messages in irq context. That means we can't alloc bounce buffers if a message buffer is not DMA safe. So, in that case, simply fall back to PIO. Reviewed-by: Jonathan Cameron Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-rcar.c | 2