linux-kernel - [PATCH 03/05 v2] pinctrl: sh-pfc: r7s72100 single pin macros

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Date:	Tue, 17 Dec 2013 11:38:14 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-sh@...r.kernel.org, linus.walleij@...aro.org,
	wsa@...-dreams.de, horms@...ge.net.au,
	laurent.pinchart@...asonboard.com,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 03/05 v2] pinctrl: sh-pfc: r7s72100 single pin macros

From: Magnus Damm <damm@...nsource.se>

Introduce macros that allow description of one pin per line.
Compared to the other ways of doing this, using this style
we can compresses the description of each pin from 9 to 1 line.

Signed-off-by: Magnus Damm <damm@...nsource.se>
---

 This patch uses RZ_PMX_GROUP and RZ_GROUPS, thanks Laurent!

 drivers/pinctrl/sh-pfc/pfc-r7s72100.c |   21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

--- 0003/drivers/pinctrl/sh-pfc/pfc-r7s72100.c
+++ work/drivers/pinctrl/sh-pfc/pfc-r7s72100.c	2013-12-16 19:14:30.000000000 +0900
@@ -98,9 +98,30 @@ static struct sh_pfc_pin pinmux_pins[] =
 
 #define RZ_PORT_PIN(bank, pin) (((bank) * 16) + (pin))
 
+#define __RZ_STR(pfx, hw, bank, pin, sfx)		\
+	pfx##_##hw##_p##bank##_##pin####sfx
+
+#define RZ_PIN_AND_MUX(pfx, hw, bank, pin, fn)				\
+static const unsigned int __RZ_STR(pfx, hw, bank, pin, _pins)[] = {	\
+	RZ_PORT_PIN(bank, pin),						\
+};									\
+static const unsigned int __RZ_STR(pfx, hw, bank, pin, _mux)[] = {	\
+	P_##bank##_##pin##_MARK_FN##fn,					\
+};
+
+#define RZ_PMX_GROUP(pfx, hw, bank, pin, fn) \
+	SH_PFC_PIN_GROUP(pfx##_##hw##_p##bank##_##pin),
+
+#define __RZ_GROUPS(x) #x
+
+#define RZ_GROUPS(pfx, hw, bank, pin, fn) \
+	__RZ_GROUPS(pfx##_##hw##_p##bank##_##pin),
+
 static const struct sh_pfc_pin_group pinmux_groups[] = {
 };
 
+static const char * const scif2_groups[] = {
+};
 static const struct sh_pfc_function pinmux_functions[] = {
 };
 
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