Hi Binbin, On Thu, Feb 20, 2025 at 08:56:12PM +0800, Binbin Zhou wrote: > According to the chip manual, the I2C register access type of > Loongson-2K2000/LS7A is "B", so we can only access registers in byte > form (readb()/writeb()). > > Although Loongson-2K0500/Loongson-2K1000 do not have similar > constraints, register accesses in byte form also behave correctly. > > Also, in hardware, the frequency division registers are defined as two > separate registers (high 8-bit and low 8-bit), so we just access them > directly as bytes. > > Cc: stable@xxxxxxxxxxxxxxx > Fixes: 015e61f0bffd ("i2c: ls2x: Add driver for Loongson-2K/LS7A I2C controller") > Co-developed-by: Hongliang Wang <wanghongliang@xxxxxxxxxxx> > Signed-off-by: Hongliang Wang <wanghongliang@xxxxxxxxxxx> > Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx> > Reviewed-by: Andy Shevchenko <andy@xxxxxxxxxx> merged to i2c/i2c-host-fixes. Thanks Andy for the review! Andi