net: ipa: share field mask values for GSI global interrupt

The GSI global interrupt is managed by three registers: enable;
status; and clear.  The three registers have same set of field bits
at the same locations.  Use a common set of field masks for all
three registers to avoid duplication.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ipa/gsi.c

@@ -1074,8 +1074,8 @@ static void gsi_isr_glob_ee(struct gsi *gsi)
 
 	val &= ~ERROR_INT_FMASK;
 
-	if (val & EN_GP_INT1_FMASK) {
-		val ^= EN_GP_INT1_FMASK;
+	if (val & GP_INT1_FMASK) {
+		val ^= GP_INT1_FMASK;
 		gsi_isr_gp_int1(gsi);
 	}
 

drivers/net/ipa/gsi_reg.h

@@ -321,29 +321,20 @@
 			GSI_EE_N_CNTXT_GLOB_IRQ_STTS_OFFSET(GSI_EE_AP)
 #define GSI_EE_N_CNTXT_GLOB_IRQ_STTS_OFFSET(ee) \
 			(0x0001f100 + 0x4000 * (ee))
-#define ERROR_INT_FMASK			GENMASK(0, 0)
-#define GP_INT1_FMASK			GENMASK(1, 1)
-#define GP_INT2_FMASK			GENMASK(2, 2)
-#define GP_INT3_FMASK			GENMASK(3, 3)
-
 #define GSI_CNTXT_GLOB_IRQ_EN_OFFSET \
 			GSI_EE_N_CNTXT_GLOB_IRQ_EN_OFFSET(GSI_EE_AP)
 #define GSI_EE_N_CNTXT_GLOB_IRQ_EN_OFFSET(ee) \
 			(0x0001f108 + 0x4000 * (ee))
-#define EN_ERROR_INT_FMASK		GENMASK(0, 0)
-#define EN_GP_INT1_FMASK		GENMASK(1, 1)
-#define EN_GP_INT2_FMASK		GENMASK(2, 2)
-#define EN_GP_INT3_FMASK		GENMASK(3, 3)
-#define GSI_CNTXT_GLOB_IRQ_ALL		GENMASK(3, 0)
-
 #define GSI_CNTXT_GLOB_IRQ_CLR_OFFSET \
 			GSI_EE_N_CNTXT_GLOB_IRQ_CLR_OFFSET(GSI_EE_AP)
 #define GSI_EE_N_CNTXT_GLOB_IRQ_CLR_OFFSET(ee) \
 			(0x0001f110 + 0x4000 * (ee))
-#define CLR_ERROR_INT_FMASK		GENMASK(0, 0)
-#define CLR_GP_INT1_FMASK		GENMASK(1, 1)
-#define CLR_GP_INT2_FMASK		GENMASK(2, 2)
-#define CLR_GP_INT3_FMASK		GENMASK(3, 3)
+/* The masks below are used for the general IRQ STTS, EN, and CLR registers */
+#define ERROR_INT_FMASK			GENMASK(0, 0)
+#define GP_INT1_FMASK			GENMASK(1, 1)
+#define GP_INT2_FMASK			GENMASK(2, 2)
+#define GP_INT3_FMASK			GENMASK(3, 3)
+#define GSI_CNTXT_GLOB_IRQ_ALL		GENMASK(3, 0)
 
 #define GSI_CNTXT_GSI_IRQ_STTS_OFFSET \
 			GSI_EE_N_CNTXT_GSI_IRQ_STTS_OFFSET(GSI_EE_AP)