staging: sm750fb: remove clear method from lynxfb_{crtc,output}

The clear methods of lynxfb_crtc and lynxfb_output are empty and
therefore they can be removed.
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/sm750.c

@@ -680,7 +680,6 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 	crtc->proc_checkMode = hw_sm750_crtc_checkMode;
 	crtc->proc_setColReg = hw_sm750_setColReg;
 	crtc->proc_panDisplay = hw_sm750_pan_display;
-	crtc->clear = hw_sm750_crtc_clear;
 	crtc->line_pad = 16;
 	crtc->xpanstep = 8;
 	crtc->ypanstep = 1;
@@ -690,7 +689,6 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 
 	output->proc_setBLANK = (share->revid == SM750LE_REVISION_ID) ?
 				 hw_sm750le_setBLANK : hw_sm750_setBLANK;
-	output->clear = hw_sm750_output_clear;
 	/* chip specific phase */
 	share->accel.de_wait = (share->revid == SM750LE_REVISION_ID) ?
 				hw_sm750le_deWait : hw_sm750_deWait;
@@ -1219,9 +1217,6 @@ static void lynxfb_pci_remove(struct pci_dev *pdev)
 		par = info->par;
 
 		unregister_framebuffer(info);
-		/* clean crtc & output allocations */
-		par->crtc.clear(&par->crtc);
-		par->output.clear(&par->output);
 		/* release frame buffer */
 		framebuffer_release(info);
 	}

drivers/staging/sm750fb/sm750.h

@@ -113,7 +113,6 @@ struct lynxfb_crtc {
 
 	int (*proc_checkMode)(struct lynxfb_crtc*, struct fb_var_screeninfo*);
 	int (*proc_setColReg)(struct lynxfb_crtc*, ushort, ushort, ushort, ushort);
-	void (*clear)(struct lynxfb_crtc *);
 	/* pan display */
 	int (*proc_panDisplay)(struct lynxfb_crtc *,
 			       const struct fb_var_screeninfo *,
@@ -144,7 +143,6 @@ struct lynxfb_output {
 						struct fb_fix_screeninfo*);
 
 	int (*proc_setBLANK)(struct lynxfb_output*, int);
-	void  (*clear)(struct lynxfb_output *);
 };
 
 struct lynxfb_par {

drivers/staging/sm750fb/sm750_hw.c

@@ -232,12 +232,6 @@ int hw_sm750_output_setMode(struct lynxfb_output *output,
 	return ret;
 }
 
-void hw_sm750_output_clear(struct lynxfb_output *output)
-{
-
-	return;
-}
-
 int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, struct fb_var_screeninfo *var)
 {
 	struct lynx_share *share;
@@ -387,12 +381,6 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
 	return ret;
 }
 
-void hw_sm750_crtc_clear(struct lynxfb_crtc *crtc)
-{
-
-	return;
-}
-
 int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index,
 								ushort red, ushort green, ushort blue)
 {

drivers/staging/sm750fb/sm750_hw.h

@@ -91,8 +91,6 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc*, struct fb_var_screeninfo*, struct
 int hw_sm750_setColReg(struct lynxfb_crtc*, ushort, ushort, ushort, ushort);
 int hw_sm750_setBLANK(struct lynxfb_output*, int);
 int hw_sm750le_setBLANK(struct lynxfb_output*, int);
-void hw_sm750_crtc_clear(struct lynxfb_crtc *);
-void hw_sm750_output_clear(struct lynxfb_output *);
 int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
 			 const struct fb_var_screeninfo *var,
 			 const struct fb_info *info);