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Message-ID: <20101217190013.0107a93a@queued.net>
Date: Fri, 17 Dec 2010 19:00:13 -0800
From: Andres Salomon <dilinger@...ued.net>
To: akpm@...ux-foundation.org
Cc: linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] s1d13xxxfb: drop unused code
Silence warnings such as -
drivers/video/s1d13xxxfb.c:421: warning: ‘bltbit_wait_bitset’ defined but not used
Just drop the unused code.
Signed-off-by: Andres Salomon <dilinger@...ued.net>
---
drivers/video/s1d13xxxfb.c | 50 --------------------------------------------
include/video/s1d13xxxfb.h | 6 -----
2 files changed, 0 insertions(+), 56 deletions(-)
diff --git a/drivers/video/s1d13xxxfb.c b/drivers/video/s1d13xxxfb.c
index a6247fc..28b1c6c 100644
--- a/drivers/video/s1d13xxxfb.c
+++ b/drivers/video/s1d13xxxfb.c
@@ -410,28 +410,6 @@ s1d13xxxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
************************************************************/
/**
- * bltbit_wait_bitset - waits for change in register value
- * @info : framebuffer structure
- * @bit : value expected in register
- * @timeout : ...
- *
- * waits until value changes INTO bit
- */
-static u8
-bltbit_wait_bitset(struct fb_info *info, u8 bit, int timeout)
-{
- while (!(s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0) & bit)) {
- udelay(10);
- if (!--timeout) {
- dbg_blit("wait_bitset timeout\n");
- break;
- }
- }
-
- return timeout;
-}
-
-/**
* bltbit_wait_bitclear - waits for change in register value
* @info : frambuffer structure
* @bit : value currently in register
@@ -454,34 +432,6 @@ bltbit_wait_bitclear(struct fb_info *info, u8 bit, int timeout)
return timeout;
}
-/**
- * bltbit_fifo_status - checks the current status of the fifo
- * @info : framebuffer structure
- *
- * returns number of free words in buffer
- */
-static u8
-bltbit_fifo_status(struct fb_info *info)
-{
- u8 status;
-
- status = s1d13xxxfb_readreg(info->par, S1DREG_BBLT_CTL0);
-
- /* its empty so room for 16 words */
- if (status & BBLT_FIFO_EMPTY)
- return 16;
-
- /* its full so we dont want to add */
- if (status & BBLT_FIFO_FULL)
- return 0;
-
- /* its atleast half full but we can add one atleast */
- if (status & BBLT_FIFO_NOT_FULL)
- return 1;
-
- return 0;
-}
-
/*
* s1d13xxxfb_bitblt_copyarea - accelerated copyarea function
* @info : framebuffer structure
diff --git a/include/video/s1d13xxxfb.h b/include/video/s1d13xxxfb.h
index f0736cf..55f5344 100644
--- a/include/video/s1d13xxxfb.h
+++ b/include/video/s1d13xxxfb.h
@@ -136,12 +136,6 @@
#define S1DREG_DELAYOFF 0xFFFE
#define S1DREG_DELAYON 0xFFFF
-#define BBLT_FIFO_EMPTY 0x00
-#define BBLT_FIFO_NOT_EMPTY 0x40
-#define BBLT_FIFO_NOT_FULL 0x30
-#define BBLT_FIFO_HALF_FULL 0x20
-#define BBLT_FIFO_FULL 0x10
-
#define BBLT_SOLID_FILL 0x0c
--
1.7.2.3
--
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