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path: root/drivers/sh/pfc.c
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Diffstat (limited to 'drivers/sh/pfc.c')
-rw-r--r--drivers/sh/pfc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c
index cf0303acab8e..dee581f6382c 100644
--- a/drivers/sh/pfc.c
+++ b/drivers/sh/pfc.c
@@ -7,6 +7,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/list.h>
@@ -581,7 +583,7 @@ int register_pinmux(struct pinmux_info *pip)
{
struct gpio_chip *chip = &pip->chip;
- pr_info("sh pinmux: %s handling gpio %d -> %d\n",
+ pr_info("%s handling gpio %d -> %d\n",
pip->name, pip->first_gpio, pip->last_gpio);
setup_data_regs(pip);
@@ -602,3 +604,10 @@ int register_pinmux(struct pinmux_info *pip)
return gpiochip_add(chip);
}
+
+int unregister_pinmux(struct pinmux_info *pip)
+{
+ pr_info("%s deregistering\n", pip->name);
+
+ return gpiochip_remove(&pip->chip);
+}