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pinctrl: add a group-specific hog macro

Message ID 1323851530-4171-1-git-send-email-linus.walleij@stericsson.com
State Accepted
Commit 23750196ef472e9249958d5165b0bb292518c710
Headers show

Commit Message

Linus Walleij Dec. 14, 2011, 8:32 a.m. UTC 
From: Linus Walleij <linus.walleij@linaro.org>

To create elegant tables for pinmux hogs on the PXA MMP platform,
we need this hog macro that can specify both function and group in
one go.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 include/linux/pinctrl/machine.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
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Patch

diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h
index ad430e0..d0aecb7 100644
--- a/include/linux/pinctrl/machine.h
+++ b/include/linux/pinctrl/machine.h
@@ -73,6 +73,15 @@  struct pinmux_map {
 	{ .name = a, .ctrl_dev_name = b, .function = c, \
 	  .hog_on_boot = true }
 
+/*
+ * Convenience macro to map a system function onto a certain pinctrl device
+ * using a specified group, to be hogged by the pinmux core until the system
+ * shuts down.
+ */
+#define PINMUX_MAP_SYS_HOG_GROUP(a, b, c, d)		\
+	{ .name = a, .ctrl_dev_name = b, .function = c, .group = d, \
+	  .hog_on_boot = true }
+
 #ifdef CONFIG_PINMUX
 
 extern int pinmux_register_mappings(struct pinmux_map const *map,