Hi Wolfram: Thank you for your help. Wolfram Sang <wsa@xxxxxxxxxx> 於 2022年5月21日 週六 下午1:53寫道: > > On Tue, May 17, 2022 at 06:11:38PM +0800, Tyrone Ting wrote: > > From: Tyrone Ting <kfting@xxxxxxxxxxx> > > > > The SMBnCTL3 register is 8-bit wide and the 32-bit access was always > > incorrect, but simply didn't cause a visible error on the 32-bit machine. > > > > On the 64-bit machine, the kernel message reports that ESR value is > > 0x96000021. Checking Arm Architecture Reference Manual Armv8 suggests that > > it's the alignment fault. > > > > SMBnCTL3's address is 0xE. > > > > Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver") > > Signed-off-by: Tyrone Ting <kfting@xxxxxxxxxxx> > > Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> > > Applied to for-next, thanks! > Best Regards, Tyrone