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[PATCH] fbdev modedb: make more pointer parameters const

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fbdev modedb: make more input and output pointer parameters const

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2007-02-12 00:55:19 -08:00 committed by Linus Torvalds
parent 5c52cbeb7f
commit 9791d763de
9 changed files with 52 additions and 49 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/video/console/fbcon.c
View file

@ -2071,7 +2071,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
y_diff = info->var.yres - var.yres;
if (x_diff < 0 || x_diff > virt_fw ||
y_diff < 0 || y_diff > virt_fh) {
struct fb_videomode *mode;
const struct fb_videomode *mode;
DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
mode = fb_find_best_mode(&var, &info->modelist);
@ -2975,7 +2975,7 @@ static void fbcon_new_modelist(struct fb_info *info)
int i;
struct vc_data *vc;
struct fb_var_screeninfo var;
struct fb_videomode *mode;
const struct fb_videomode *mode;
for (i = first_fb_vc; i <= last_fb_vc; i++) {
if (registered_fb[con2fb_map[i]] != info)

2
drivers/video/console/fbcon.h
View file

@ -48,7 +48,7 @@ struct display {
struct fb_bitfield green;
struct fb_bitfield blue;
struct fb_bitfield transp;
struct fb_videomode *mode;
const struct fb_videomode *mode;
};
struct fbcon_ops {

2
drivers/video/fbsysfs.c
View file

@ -175,7 +175,7 @@ static ssize_t store_modes(struct device *device,
acquire_console_sem();
list_splice(&fb_info->modelist, &old_list);
fb_videomode_to_modelist((struct fb_videomode *)buf, i,
fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
&fb_info->modelist);
if (fb_new_modelist(fb_info)) {
fb_destroy_modelist(&fb_info->modelist);

4
drivers/video/i810/i810_main.c
View file

@ -1049,7 +1049,7 @@ static int i810_check_params(struct fb_var_screeninfo *var,
mode_valid = 1;
if (!mode_valid && info->monspecs.modedb_len) {
struct fb_videomode *mode;
const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@ -1924,7 +1924,7 @@ static void __devinit i810fb_find_init_mode(struct fb_info *info)
fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
&info->modelist);
if (specs->modedb != NULL) {
struct fb_videomode *m;
const struct fb_videomode *m;
if (xres && yres) {
if ((m = fb_find_best_mode(&var, &info->modelist))) {

33
drivers/video/modedb.c
View file

@ -668,7 +668,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
* @var: pointer to struct fb_var_screeninfo
*/
void fb_var_to_videomode(struct fb_videomode *mode,
struct fb_var_screeninfo *var)
const struct fb_var_screeninfo *var)
{
u32 pixclock, hfreq, htotal, vtotal;
@ -712,7 +712,7 @@ void fb_var_to_videomode(struct fb_videomode *mode,
* @mode: pointer to struct fb_videomode
*/
void fb_videomode_to_var(struct fb_var_screeninfo *var,
struct fb_videomode *mode)
const struct fb_videomode *mode)
{
var->xres = mode->xres;
var->yres = mode->yres;
@ -735,8 +735,8 @@ void fb_videomode_to_var(struct fb_var_screeninfo *var,
* RETURNS:
* 1 if equal, 0 if not
*/
int fb_mode_is_equal(struct fb_videomode *mode1,
struct fb_videomode *mode2)
int fb_mode_is_equal(const struct fb_videomode *mode1,
const struct fb_videomode *mode2)
{
return (mode1->xres == mode2->xres &&
mode1->yres == mode2->yres &&
@ -768,8 +768,8 @@ int fb_mode_is_equal(struct fb_videomode *mode1,
* var->xres and var->yres. If more than 1 videomode is found, will return
* the videomode with the highest refresh rate
*/
struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
struct list_head *head)
const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@ -806,8 +806,8 @@ struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
* If more than 1 videomode is found, will return the videomode with
* the closest refresh rate.
*/
struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
struct list_head *head)
const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@ -845,8 +845,8 @@ struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
* RETURNS:
* struct fb_videomode, NULL if none found
*/
struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
struct list_head *head)
const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@ -870,7 +870,7 @@ struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
* NOTES:
* Will only add unmatched mode entries
*/
int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@ -905,7 +905,8 @@ int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
* NOTES:
* Will remove all matching mode entries
*/
void fb_delete_videomode(struct fb_videomode *mode, struct list_head *head)
void fb_delete_videomode(const struct fb_videomode *mode,
struct list_head *head)
{
struct list_head *pos, *n;
struct fb_modelist *modelist;
@ -941,7 +942,7 @@ void fb_destroy_modelist(struct list_head *head)
* @num: number of entries in array
* @head: struct list_head of modelist
*/
void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head)
{
int i;
@ -954,12 +955,12 @@ void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
}
}
struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
struct list_head *head)
const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
int first = 0;
if (!head->prev || !head->next || list_empty(head))

8
drivers/video/nvidia/nvidia.c
View file

@ -829,7 +829,7 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var,
}
if (!mode_valid) {
struct fb_videomode *mode;
const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@ -1046,10 +1046,10 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
}
if (specs->modedb != NULL) {
struct fb_videomode *modedb;
const struct fb_videomode *mode;
modedb = fb_find_best_display(specs, &info->modelist);
fb_videomode_to_var(&nvidiafb_default_var, modedb);
mode = fb_find_best_display(specs, &info->modelist);
fb_videomode_to_var(&nvidiafb_default_var, mode);
nvidiafb_default_var.bits_per_pixel = bpp;
} else if (par->fpWidth && par->fpHeight) {
char buf[16];

5
drivers/video/riva/fbdev.c
View file

@ -894,7 +894,8 @@ static int riva_load_video_mode(struct fb_info *info)
return rc;
}
static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
static void riva_update_var(struct fb_var_screeninfo *var,
const struct fb_videomode *modedb)
{
NVTRACE_ENTER();
var->xres = var->xres_virtual = modedb->xres;
@ -1152,7 +1153,7 @@ static int rivafb_release(struct fb_info *info, int user)
static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct fb_videomode *mode;
const struct fb_videomode *mode;
struct riva_par *par = info->par;
int nom, den; /* translating from pixels->bytes */
int mode_valid = 0;

12
drivers/video/savage/savagefb_driver.c
View file

@ -833,7 +833,8 @@ static void savage_set_default_par(struct savagefb_par *par,
vga_out8(0x3d5, cr66, par);
}
static void savage_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
static void savage_update_var(struct fb_var_screeninfo *var,
const struct fb_videomode *modedb)
{
var->xres = var->xres_virtual = modedb->xres;
var->yres = modedb->yres;
@ -902,7 +903,7 @@ static int savagefb_check_var(struct fb_var_screeninfo *var,
}
if (!mode_valid) {
struct fb_videomode *mode;
const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@ -2206,11 +2207,10 @@ static int __devinit savagefb_probe(struct pci_dev* dev,
info->monspecs.modedb, info->monspecs.modedb_len,
NULL, 8);
} else if (info->monspecs.modedb != NULL) {
struct fb_videomode *modedb;
const struct fb_videomode *mode;
modedb = fb_find_best_display(&info->monspecs,
&info->modelist);
savage_update_var(&info->var, modedb);
mode = fb_find_best_display(&info->monspecs, &info->modelist);
savage_update_var(&info->var, mode);
}
/* maximize virtual vertical length */

31
include/linux/fb.h
View file

@ -952,25 +952,26 @@ extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
/* drivers/video/modedb.c */
#define VESA_MODEDB_SIZE 34
extern void fb_var_to_videomode(struct fb_videomode *mode,
struct fb_var_screeninfo *var);
const struct fb_var_screeninfo *var);
extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
struct fb_videomode *mode);
extern int fb_mode_is_equal(struct fb_videomode *mode1,
struct fb_videomode *mode2);
extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
extern void fb_delete_videomode(struct fb_videomode *mode,
const struct fb_videomode *mode);
extern int fb_mode_is_equal(const struct fb_videomode *mode1,
const struct fb_videomode *mode2);
extern int fb_add_videomode(const struct fb_videomode *mode,
struct list_head *head);
extern void fb_delete_videomode(const struct fb_videomode *mode,
struct list_head *head);
extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
struct list_head *head);
extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
struct list_head *head);
extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
struct list_head *head);
extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
struct list_head *head);
extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
struct list_head *head);
extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
struct list_head *head);
extern void fb_destroy_modelist(struct list_head *head);
extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head);
extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
struct list_head *head);
extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
struct list_head *head);
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);