ram: k3-j721e: rename BIT_MASK()
The macro BIT_MASK is already defined in include/linux/bitops.h. To avoid
name collisions rename BIT_MASK() in drivers/ram/k3-j721e/lpddr4_private.h
to LPDDR4_BIT_MASK().
Remove superfluous parantheses.
Remove superfluous comparison to 0.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/ram/k3-j721e/lpddr4_private.h b/drivers/ram/k3-j721e/lpddr4_private.h
index 42c9234..3d5017e 100644
--- a/drivers/ram/k3-j721e/lpddr4_private.h
+++ b/drivers/ram/k3-j721e/lpddr4_private.h
@@ -14,9 +14,9 @@
#define VERSION_0 (0x54d5da40U)
#define VERSION_1 (0xc1865a1U)
-#define BIT_MASK (0x1U)
-#define BYTE_MASK (0xffU)
-#define NIBBLE_MASK (0xfU)
+#define LPDDR4_BIT_MASK (0x1U)
+#define BYTE_MASK (0xffU)
+#define NIBBLE_MASK (0xfU)
#define WORD_SHIFT (32U)
#define WORD_MASK (0xffffffffU)
@@ -46,11 +46,15 @@
#define IO_CALIB_DONE ((uint32_t)0x1U << 23U)
#define IO_CALIB_FIELD ((uint32_t)NIBBLE_MASK << 28U)
#define IO_CALIB_STATE ((uint32_t)0xBU << 28U)
-#define RX_CAL_DONE ((uint32_t)BIT_MASK << 4U)
-#define CA_TRAIN_RL (((uint32_t)BIT_MASK << 5U) | ((uint32_t)BIT_MASK << 4U))
+#define RX_CAL_DONE ((uint32_t)LPDDR4_BIT_MASK << 4U)
+#define CA_TRAIN_RL (((uint32_t)LPDDR4_BIT_MASK << 5U) | \
+ ((uint32_t)LPDDR4_BIT_MASK << 4U))
#define WR_LVL_STATE (((uint32_t)NIBBLE_MASK) << 13U)
-#define GATE_LVL_ERROR_FIELDS (((uint32_t)BIT_MASK << 7U) | ((uint32_t)BIT_MASK << 6U))
-#define READ_LVL_ERROR_FIELDS ((((uint32_t)NIBBLE_MASK) << 28U) | (((uint32_t)BYTE_MASK) << 16U))
-#define DQ_LVL_STATUS (((uint32_t)BIT_MASK << 26U) | (((uint32_t)BYTE_MASK) << 18U))
+#define GATE_LVL_ERROR_FIELDS (((uint32_t)LPDDR4_BIT_MASK << 7U) | \
+ ((uint32_t)LPDDR4_BIT_MASK << 6U))
+#define READ_LVL_ERROR_FIELDS ((((uint32_t)NIBBLE_MASK) << 28U) | \
+ (((uint32_t)BYTE_MASK) << 16U))
+#define DQ_LVL_STATUS (((uint32_t)LPDDR4_BIT_MASK << 26U) | \
+ (((uint32_t)BYTE_MASK) << 18U))
#endif /* LPDDR4_PRIV_H */