On Mon, Apr 01, 2019 at 12:54:47PM -0700, Moritz Fischer wrote: > Hi Wu, > > On Mon, Mar 25, 2019 at 11:07:28AM +0800, Wu Hao wrote: > > FME_PR_INTFC_ID is used as compat_id for fpga manager and region, > > but high 64 bits and low 64 bits of the compat_id are swapped by > > mistake. This patch fixes this problem by fixing register address. > > > > Signed-off-by: Wu Hao <hao.wu@xxxxxxxxx> > > --- > > drivers/fpga/dfl-fme-mgr.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c > > index 76f3770..b3f7eee 100644 > > --- a/drivers/fpga/dfl-fme-mgr.c > > +++ b/drivers/fpga/dfl-fme-mgr.c > > @@ -30,8 +30,8 @@ > > #define FME_PR_STS 0x10 > > #define FME_PR_DATA 0x18 > > #define FME_PR_ERR 0x20 > > -#define FME_PR_INTFC_ID_H 0xA8 > > -#define FME_PR_INTFC_ID_L 0xB0 > > +#define FME_PR_INTFC_ID_L 0xA8 > > +#define FME_PR_INTFC_ID_H 0xB0 > > Does this handle endianess correct? Hi Moritz, This is just a bug fixing for wrong offsets given to these 2 registers according to spec. I think this is not endianess related, and per my understanding we don't need more code on endianess handling as that should be done inside the readq function already. :) Thanks Hao