Use struct option_iter to walk over the individual options in the
driver's option string. Replaces the hand-written strsep() loop with
a clean interface. The helpers for struct option_iter handle empty
option strings and empty options transparently. The struct's _init
and _release functions duplicate and release the option string's
memory buffer as needed.
Done in preparation of constifying the option string.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/video/fbdev/fsl-diu-fb.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index 033bbf0c40b7..78996995568c 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -12,6 +12,7 @@
* Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix
*/
+#include <linux/cmdline.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -1843,17 +1844,15 @@ static int fsl_diu_remove(struct platform_device *pdev)
}
#ifndef MODULE
-static int __init fsl_diu_setup(char *options)
+static int __init fsl_diu_setup(const char *options)
{
+ struct option_iter iter;
char *opt;
unsigned long val;
- if (!options || !*options)
- return 0;
+ option_iter_init(&iter, options);
- while ((opt = strsep(&options, ",")) != NULL) {
- if (!*opt)
- continue;
+ while (option_iter_next(&iter, &opt)) {
if (!strncmp(opt, "monitor=", 8)) {
monitor_port = fsl_diu_name_to_port(opt + 8);
} else if (!strncmp(opt, "bpp=", 4)) {
@@ -1866,6 +1865,8 @@ static int __init fsl_diu_setup(char *options)
}
}
+ option_iter_release(&iter);
+
return 0;
}
#endif
--
2.39.2
