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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-03-12 17:44:30 +0300 |
|---|---|---|
| committer | Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> | 2019-03-17 10:48:16 +0300 |
| commit | 8e44fc85060ec997e9c6f3c49a04274db6621d26 (patch) | |
| tree | 4cda99d0e9659835dd87da3280730cc48aa1dfbb | |
| parent | b658a2113ba4d4b99e2a57926379b0c0b0c648ab (diff) | |
| download | linux-8e44fc85060ec997e9c6f3c49a04274db6621d26.tar.xz | |
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>
| -rw-r--r-- | drivers/auxdisplay/charlcd.c | 6 | ||||
| -rw-r--r-- | include/misc/charlcd.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c index 407acd22efa8..a351a9400054 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 23f61850f363..1832402324ce 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); |