[PATCH] fbdev: fix module dependency loop
Exporting struct fb_display produces this warning error on depmod:
WARNING: Module
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/fbcon_ud.ko
ignored, due to loop
WARNING: Module
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/fbcon_rotate.ko
ignored, due to loop
WARNING: Module
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/fbcon_cw.ko
ignored, due to loop
WARNING: Module
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/fbcon_ccw.ko
ignored, due to loop
WARNING: Module
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/fbcon.ko ignored,
due to loop
WARNING: Loop detected:
/lib/modules/2.6.14-mm2/kernel/drivers/video/console/bitblit.ko needs
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index e7802ff..bcea87c 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -106,8 +106,7 @@
FBCON_LOGO_DONTSHOW = -3 /* do not show the logo */
};
-struct display fb_display[MAX_NR_CONSOLES];
-EXPORT_SYMBOL(fb_display);
+static struct display fb_display[MAX_NR_CONSOLES];
static signed char con2fb_map[MAX_NR_CONSOLES];
static signed char con2fb_map_boot[MAX_NR_CONSOLES];
@@ -653,13 +652,12 @@
{
struct fbcon_ops *ops = info->fbcon_par;
+ ops->p = (p) ? p : &fb_display[vc->vc_num];
+
if ((info->flags & FBINFO_MISC_TILEBLITTING))
fbcon_set_tileops(vc, info, p, ops);
else {
- struct display *disp;
-
- disp = (p) ? p : &fb_display[vc->vc_num];
- fbcon_set_rotation(info, disp);
+ fbcon_set_rotation(info, ops->p);
fbcon_set_bitops(ops);
}
}
@@ -668,11 +666,10 @@
struct display *p)
{
struct fbcon_ops *ops = info->fbcon_par;
- struct display *disp;
info->flags &= ~FBINFO_MISC_TILEBLITTING;
- disp = (p) ? p : &fb_display[vc->vc_num];
- fbcon_set_rotation(info, disp);
+ ops->p = (p) ? p : &fb_display[vc->vc_num];
+ fbcon_set_rotation(info, ops->p);
fbcon_set_bitops(ops);
}
#endif /* CONFIG_MISC_TILEBLITTING */
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index accfd7bd..6892e7f 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -52,8 +52,6 @@
struct fb_videomode *mode;
};
-extern struct display fb_display[];
-
struct fbcon_ops {
void (*bmove)(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int dy, int dx, int height, int width);
@@ -73,6 +71,7 @@
struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */
struct timer_list cursor_timer; /* Cursor timer */
struct fb_cursor cursor_state;
+ struct display *p;
int currcon; /* Current VC. */
int cursor_flash;
int cursor_reset;
diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
index 680aaba..3afd1ee 100644
--- a/drivers/video/console/fbcon_ccw.c
+++ b/drivers/video/console/fbcon_ccw.c
@@ -63,9 +63,9 @@
static void ccw_bmove(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int dy, int dx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_copyarea area;
- u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
area.sx = sy * vc->vc_font.height;
area.sy = vyres - ((sx + width) * vc->vc_font.width);
@@ -80,10 +80,10 @@
static void ccw_clear(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_fillrect region;
int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
- u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
region.color = attr_bgcol_ec(bgshift,vc);
region.dx = sy * vc->vc_font.height;
@@ -131,7 +131,6 @@
int fg, int bg)
{
struct fb_image image;
- struct display *p = &fb_display[vc->vc_num];
struct fbcon_ops *ops = info->fbcon_par;
u32 width = (vc->vc_font.height + 7)/8;
u32 cellsize = width * vc->vc_font.width;
@@ -141,7 +140,7 @@
u32 cnt, pitch, size;
u32 attribute = get_attribute(info, scr_readw(s));
u8 *dst, *buf = NULL;
- u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
if (!ops->fontbuffer)
return;
@@ -397,9 +396,8 @@
int ccw_update_start(struct fb_info *info)
{
struct fbcon_ops *ops = info->fbcon_par;
- struct display *p = &fb_display[ops->currcon];
u32 yoffset;
- u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
int err;
yoffset = (vyres - info->var.yres) - ops->var.xoffset;
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
index 6c6f3b6..6d92b84 100644
--- a/drivers/video/console/fbcon_cw.c
+++ b/drivers/video/console/fbcon_cw.c
@@ -49,9 +49,9 @@
static void cw_bmove(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int dy, int dx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_copyarea area;
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
area.sx = vxres - ((sy + height) * vc->vc_font.height);
area.sy = sx * vc->vc_font.width;
@@ -66,10 +66,10 @@
static void cw_clear(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_fillrect region;
int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
region.color = attr_bgcol_ec(bgshift,vc);
region.dx = vxres - ((sy + height) * vc->vc_font.height);
@@ -117,7 +117,6 @@
int fg, int bg)
{
struct fb_image image;
- struct display *p = &fb_display[vc->vc_num];
struct fbcon_ops *ops = info->fbcon_par;
u32 width = (vc->vc_font.height + 7)/8;
u32 cellsize = width * vc->vc_font.width;
@@ -127,7 +126,7 @@
u32 cnt, pitch, size;
u32 attribute = get_attribute(info, scr_readw(s));
u8 *dst, *buf = NULL;
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
if (!ops->fontbuffer)
return;
@@ -381,8 +380,7 @@
int cw_update_start(struct fb_info *info)
{
struct fbcon_ops *ops = info->fbcon_par;
- struct display *p = &fb_display[ops->currcon];
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
u32 xoffset;
int err;
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
index 2e1d9d4..c4d7c89 100644
--- a/drivers/video/console/fbcon_ud.c
+++ b/drivers/video/console/fbcon_ud.c
@@ -48,10 +48,10 @@
static void ud_bmove(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int dy, int dx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_copyarea area;
- u32 vyres = GETVYRES(p->scrollmode, info);
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
area.sy = vyres - ((sy + height) * vc->vc_font.height);
area.sx = vxres - ((sx + width) * vc->vc_font.width);
@@ -66,11 +66,11 @@
static void ud_clear(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int height, int width)
{
- struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
struct fb_fillrect region;
int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
- u32 vyres = GETVYRES(p->scrollmode, info);
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
region.color = attr_bgcol_ec(bgshift,vc);
region.dy = vyres - ((sy + height) * vc->vc_font.height);
@@ -153,7 +153,6 @@
int fg, int bg)
{
struct fb_image image;
- struct display *p = &fb_display[vc->vc_num];
struct fbcon_ops *ops = info->fbcon_par;
u32 width = (vc->vc_font.width + 7)/8;
u32 cellsize = width * vc->vc_font.height;
@@ -163,8 +162,8 @@
u32 mod = vc->vc_font.width % 8, cnt, pitch, size;
u32 attribute = get_attribute(info, scr_readw(s));
u8 *dst, *buf = NULL;
- u32 vyres = GETVYRES(p->scrollmode, info);
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
if (!ops->fontbuffer)
return;
@@ -421,10 +420,9 @@
int ud_update_start(struct fb_info *info)
{
struct fbcon_ops *ops = info->fbcon_par;
- struct display *p = &fb_display[ops->currcon];
u32 xoffset, yoffset;
- u32 vyres = GETVYRES(p->scrollmode, info);
- u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 vyres = GETVYRES(ops->p->scrollmode, info);
+ u32 vxres = GETVXRES(ops->p->scrollmode, info);
int err;
xoffset = (vxres - info->var.xres) - ops->var.xoffset;