pinctrl: sh-pfc: r8a779[01]: Move 'union vin_data' to shared header file
R8A7790/1 PFC drivers use almost identical 'union vin_data' and completely
identical VIN_DATA_PIN_GROUP() macro; we thus can move them into the shared
header file...
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index e00a4b1..6ab4b46 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -52,6 +52,29 @@
unsigned int nr_pins;
};
+/*
+ * Using union vin_data saves memory occupied by the VIN data pins.
+ * VIN_DATA_PIN_GROUP() is a macro used to describe the VIN pin groups
+ * in this case.
+ */
+#define VIN_DATA_PIN_GROUP(n, s) \
+ { \
+ .name = #n#s, \
+ .pins = n##_pins.data##s, \
+ .mux = n##_mux.data##s, \
+ .nr_pins = ARRAY_SIZE(n##_pins.data##s), \
+ }
+
+union vin_data {
+ unsigned int data24[24];
+ unsigned int data20[20];
+ unsigned int data16[16];
+ unsigned int data12[12];
+ unsigned int data10[10];
+ unsigned int data8[8];
+ unsigned int data4[4];
+};
+
#define SH_PFC_FUNCTION(n) \
{ \
.name = #n, \