From: Zhang Wei Change RapidIO doorbell source and target ID field to 16-bit for support large system size, which max rio devid is 65535. Signed-off-by: Zhang Wei Signed-off-by: Andrew Morton --- arch/powerpc/sysdev/fsl_rio.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff -puN arch/powerpc/sysdev/fsl_rio.c~rapidio-change-rapidio-doorbell-source-and-target-id-field-to-16-bit arch/powerpc/sysdev/fsl_rio.c --- a/arch/powerpc/sysdev/fsl_rio.c~rapidio-change-rapidio-doorbell-source-and-target-id-field-to-16-bit +++ a/arch/powerpc/sysdev/fsl_rio.c @@ -75,13 +75,13 @@ #define DOORBELL_DSR_TE 0x00000080 #define DOORBELL_DSR_QFI 0x00000010 #define DOORBELL_DSR_DIQI 0x00000001 -#define DOORBELL_TID_OFFSET 0x03 -#define DOORBELL_SID_OFFSET 0x05 +#define DOORBELL_TID_OFFSET 0x02 +#define DOORBELL_SID_OFFSET 0x04 #define DOORBELL_INFO_OFFSET 0x06 #define DOORBELL_MESSAGE_SIZE 0x08 -#define DBELL_SID(x) (*(u8 *)(x + DOORBELL_SID_OFFSET)) -#define DBELL_TID(x) (*(u8 *)(x + DOORBELL_TID_OFFSET)) +#define DBELL_SID(x) (*(u16 *)(x + DOORBELL_SID_OFFSET)) +#define DBELL_TID(x) (*(u16 *)(x + DOORBELL_TID_OFFSET)) #define DBELL_INF(x) (*(u16 *)(x + DOORBELL_INFO_OFFSET)) struct rio_atmu_regs { _