From 8e44fc85060ec997e9c6f3c49a04274db6621d26 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 12 Mar 2019 16:44:30 +0200
Subject: [PATCH] auxdisplay: charlcd: Introduce charlcd_free() helper
The charlcd_free() is a counterpart to charlcd_alloc()
and should be called symmetrically on tear down.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
---
drivers/auxdisplay/charlcd.c | 6 ++++++
include/misc/charlcd.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c
index 407acd22efa84..a351a94000543 100644
--- a/drivers/auxdisplay/charlcd.c
+++ b/drivers/auxdisplay/charlcd.c
@@ -818,6 +818,12 @@ struct charlcd *charlcd_alloc(unsigned int drvdata_size)
}
EXPORT_SYMBOL_GPL(charlcd_alloc);
+void charlcd_free(struct charlcd *lcd)
+{
+ kfree(charlcd_to_priv(lcd));
+}
+EXPORT_SYMBOL_GPL(charlcd_free);
+
static int panel_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
diff --git a/include/misc/charlcd.h b/include/misc/charlcd.h
index 23f61850f3639..1832402324cef 100644
--- a/include/misc/charlcd.h
+++ b/include/misc/charlcd.h
@@ -35,6 +35,7 @@ struct charlcd_ops {
};
struct charlcd *charlcd_alloc(unsigned int drvdata_size);
+void charlcd_free(struct charlcd *lcd);
int charlcd_register(struct charlcd *lcd);
int charlcd_unregister(struct charlcd *lcd);
--
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