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author | 2008-11-18 20:45:23 +0100 | |
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committer | 2008-12-28 20:00:06 +0100 | |
commit | 79f0c9a0479060e3a8607d93bc8d81ff962acc87 (patch) | |
tree | 439a99a7cd202e3edfdac60557bc1dca87ffbe47 /drivers/video/console | |
parent | m68k: fix trigraph ignored warning in setox.S (diff) | |
download | linux-79f0c9a0479060e3a8607d93bc8d81ff962acc87.tar.gz linux-79f0c9a0479060e3a8607d93bc8d81ff962acc87.tar.bz2 linux-79f0c9a0479060e3a8607d93bc8d81ff962acc87.zip |
fbcon: remove broken mac vbl handler
Remove the Mac VBL interrupt code as it doesn't work properly and
doesn't bring any benefit when fixed. Also remove unused
DEFAULT_CURSOR_BLINK_RATE macro and irqres variable.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers/video/console')
-rw-r--r-- | drivers/video/console/fbcon.c | 75 |
1 files changed, 3 insertions, 72 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 0b2adefe9e3d..e99bb7c51798 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -81,9 +81,6 @@ #ifdef CONFIG_ATARI #include <asm/atariints.h> #endif -#ifdef CONFIG_MAC -#include <asm/macints.h> -#endif #if defined(__mc68000__) #include <asm/machdep.h> #include <asm/setup.h> @@ -160,8 +157,6 @@ static int fbcon_set_origin(struct vc_data *); /* # VBL ints between cursor state changes */ #define ATARI_CURSOR_BLINK_RATE (42) -#define MAC_CURSOR_BLINK_RATE (32) -#define DEFAULT_CURSOR_BLINK_RATE (20) static int vbl_cursor_cnt; static int fbcon_cursor_noblink; @@ -210,19 +205,6 @@ static void fbcon_start(void); static void fbcon_exit(void); static struct device *fbcon_device; -#ifdef CONFIG_MAC -/* - * On the Macintoy, there may or may not be a working VBL int. We need to probe - */ -static int vbl_detected; - -static irqreturn_t fb_vbl_detect(int irq, void *dummy) -{ - vbl_detected++; - return IRQ_HANDLED; -} -#endif - #ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION static inline void fbcon_set_rotation(struct fb_info *info) { @@ -421,7 +403,7 @@ static void fb_flashcursor(struct work_struct *work) release_console_sem(); } -#if defined(CONFIG_ATARI) || defined(CONFIG_MAC) +#ifdef CONFIG_ATARI static int cursor_blink_rate; static irqreturn_t fb_vbl_handler(int irq, void *dev_id) { @@ -949,9 +931,7 @@ static const char *fbcon_startup(void) struct fb_info *info = NULL; struct fbcon_ops *ops; int rows, cols; - int irqres; - irqres = 1; /* * If num_registered_fb is zero, this is a call for the dummy part. * The frame buffer devices weren't initialized yet. @@ -1040,56 +1020,11 @@ static const char *fbcon_startup(void) #ifdef CONFIG_ATARI if (MACH_IS_ATARI) { cursor_blink_rate = ATARI_CURSOR_BLINK_RATE; - irqres = - request_irq(IRQ_AUTO_4, fb_vbl_handler, + (void)request_irq(IRQ_AUTO_4, fb_vbl_handler, IRQ_TYPE_PRIO, "framebuffer vbl", info); } -#endif /* CONFIG_ATARI */ - -#ifdef CONFIG_MAC - /* - * On a Macintoy, the VBL interrupt may or may not be active. - * As interrupt based cursor is more reliable and race free, we - * probe for VBL interrupts. - */ - if (MACH_IS_MAC) { - int ct = 0; - /* - * Probe for VBL: set temp. handler ... - */ - irqres = request_irq(IRQ_MAC_VBL, fb_vbl_detect, 0, - "framebuffer vbl", info); - vbl_detected = 0; - - /* - * ... and spin for 20 ms ... - */ - while (!vbl_detected && ++ct < 1000) - udelay(20); - - if (ct == 1000) - printk - ("fbcon_startup: No VBL detected, using timer based cursor.\n"); - - free_irq(IRQ_MAC_VBL, fb_vbl_detect); - - if (vbl_detected) { - /* - * interrupt based cursor ok - */ - cursor_blink_rate = MAC_CURSOR_BLINK_RATE; - irqres = - request_irq(IRQ_MAC_VBL, fb_vbl_handler, 0, - "framebuffer vbl", info); - } else { - /* - * VBL not detected: fall through, use timer based cursor - */ - irqres = 1; - } - } -#endif /* CONFIG_MAC */ +#endif /* CONFIG_ATARI */ fbcon_add_cursor_timer(info); fbcon_has_exited = 0; @@ -3522,10 +3457,6 @@ static void fbcon_exit(void) #ifdef CONFIG_ATARI free_irq(IRQ_AUTO_4, fb_vbl_handler); #endif -#ifdef CONFIG_MAC - if (MACH_IS_MAC && vbl_detected) - free_irq(IRQ_MAC_VBL, fb_vbl_handler); -#endif kfree((void *)softback_buf); softback_buf = 0UL; |