On Wed, 2020-07-22 at 20:31 +0800, Qii Wang wrote: > Replace 'support_33bits with 'dma_max_support' for DMA mask > operation, and replace 'mtk_i2c_set_4g_mode' with 'upper_32_bits'. This doesn't explain why we need this patch. How about: Newer MTK chip support more than 8GB of dram. Replace support_33bits with more general dma_max_support. > > Signed-off-by: Qii Wang <qii.wang@xxxxxxxxxxxx> > --- > drivers/i2c/busses/i2c-mt65xx.c | 37 +++++++++++++++++-------------------- > 1 file changed, 17 insertions(+), 20 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c > index e6b984a..e475877 100644 > --- a/drivers/i2c/busses/i2c-mt65xx.c > +++ b/drivers/i2c/busses/i2c-mt65xx.c > @@ -209,6 +209,7 @@ struct mtk_i2c_compatible { > unsigned char dma_sync: 1; > unsigned char ltiming_adjust: 1; > unsigned char apdma_sync: 1; > + unsigned char max_dma_support; support_33bits is no longer used. Please remove it. Joe.C