Driver is currently defining the mask and bit shifting itself, there is no need for that as U-Boot has generic bitfield macros that help us achieve the same result but in a cleaner way.
Signed-off-by: Robert Marko robert.marko@sartura.hr --- drivers/net/mv88e6xxx.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/net/mv88e6xxx.c b/drivers/net/mv88e6xxx.c index 64e860e324d..deb72772d19 100644 --- a/drivers/net/mv88e6xxx.c +++ b/drivers/net/mv88e6xxx.c @@ -29,6 +29,7 @@ #include <dm/device-internal.h> #include <dm/lists.h> #include <dm/of_extra.h> +#include <linux/bitfield.h> #include <linux/delay.h> #include <miiphy.h> #include <net/dsa.h> @@ -110,20 +111,20 @@ */ #define SMI_BUSY BIT(15) #define SMI_CMD_CLAUSE_22 BIT(12) -#define SMI_CMD_CLAUSE_22_OP_READ (2 << 10) -#define SMI_CMD_CLAUSE_22_OP_WRITE (1 << 10) -#define SMI_CMD_ADDR_SHIFT 5 -#define SMI_CMD_ADDR_MASK 0x1f -#define SMI_CMD_REG_SHIFT 0 -#define SMI_CMD_REG_MASK 0x1f +#define SMI_CMD_OP_MASK GENMASK(11, 10) +#define SMI_CMD_CLAUSE_22_OP_WRITE 0x1 +#define SMI_CMD_CLAUSE_22_OP_READ 0x2 + +#define SMI_CMD_ADDR_MASK GENMASK(9, 5) +#define SMI_CMD_REG_MASK GENMASK(4, 0) #define SMI_CMD_READ(addr, reg) \ - (SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_READ) | \ - (((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \ - (((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT) + (SMI_BUSY | SMI_CMD_CLAUSE_22 | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_22_OP_READ)) | \ + (FIELD_PREP(SMI_CMD_ADDR_MASK, addr)) | \ + (FIELD_PREP(SMI_CMD_REG_MASK, reg)) #define SMI_CMD_WRITE(addr, reg) \ - (SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_WRITE) | \ - (((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \ - (((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT) + (SMI_BUSY | SMI_CMD_CLAUSE_22 | FIELD_PREP(SMI_CMD_OP_MASK, SMI_CMD_CLAUSE_22_OP_WRITE)) | \ + (FIELD_PREP(SMI_CMD_ADDR_MASK, addr)) | \ + (FIELD_PREP(SMI_CMD_REG_MASK, reg))
/* ID register values for different switch models */ #define PORT_SWITCH_ID_6020 0x0200