diff options
Diffstat (limited to 'drivers/char/lcd.c')
-rw-r--r-- | drivers/char/lcd.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index cf01a720eb2e..29963d8be667 100644 --- a/drivers/char/lcd.c +++ b/drivers/char/lcd.c @@ -575,8 +575,8 @@ static inline int button_pressed(void) static int lcd_waiters = 0; -static long lcd_read(struct inode *inode, struct file *file, char *buf, - unsigned long count) +static ssize_t lcd_read(struct file *file, char *buf, + size_t count, loff_t *ofs) { long buttons_now; @@ -613,10 +613,15 @@ static struct miscdevice lcd_dev = { static int lcd_init(void) { + int ret; unsigned long data; pr_info("%s\n", LCD_DRIVER); - misc_register(&lcd_dev); + ret = misc_register(&lcd_dev); + if (ret) { + printk(KERN_WARNING LCD "Unable to register misc device.\n"); + return ret; + } /* Check region? Naaah! Just snarf it up. */ /* request_region(RTC_PORT(0), RTC_IO_EXTENT, "lcd");*/ |