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authorHaojian Zhuang <haojian.zhuang@linaro.org>2013-02-17 19:42:53 +0800
committerLinus Walleij <linus.walleij@linaro.org>2013-03-07 05:27:30 +0100
commit9cfd1724f070ffce27861cb7dcfca6808fd722b8 (patch)
tree692287ff38cc0525d0b8b65a053463095b8f3096 /drivers/pinctrl/pinconf-generic.c
parenta1a277eb76b3507df7c41774048a644aa4dfd096 (diff)
downloadlinux-9cfd1724f070ffce27861cb7dcfca6808fd722b8.tar.bz2
pinctrl: generic: dump pin configuration
Add the support of dumping pin configuration. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinconf-generic.c')
-rw-r--r--drivers/pinctrl/pinconf-generic.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index 06c304ac6f7d..9c436858812c 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -12,6 +12,7 @@
#define pr_fmt(fmt) "generic pinconfig core: " fmt
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/slab.h>
@@ -120,4 +121,17 @@ void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
}
}
+void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
+ struct seq_file *s, unsigned long config)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(conf_items); i++) {
+ if (pinconf_to_config_param(config) != conf_items[i].param)
+ continue;
+ seq_printf(s, "%s: 0x%x", conf_items[i].display,
+ pinconf_to_config_argument(config));
+ }
+}
+EXPORT_SYMBOL_GPL(pinconf_generic_dump_config);
#endif