Cleanup:removing extra spaces,redundant code and using macros[staging sm7xx]

index 3e2230f..c1b8228 100644
@@ -99,17 +99,17 @@ struct vesa_mode_table	{
 static struct vesa_mode_table vesa_mode[] = {
 	{"0x301", 640,  480,  8},
 	{"0x303", 800,  600,  8},
-	{"0x305", 1024, 768,	8},
+	{"0x305", 1024, 768,  8},
 	{"0x307", 1280, 1024, 8},
 
 	{"0x311", 640,  480,  16},
 	{"0x314", 800,  600,  16},
-	{"0x317", 1024, 768,	16},
+	{"0x317", 1024, 768,  16},
 	{"0x31A", 1280, 1024, 16},
 
 	{"0x312", 640,  480,  24},
 	{"0x315", 800,  600,  24},
-	{"0x318", 1024, 768,	24},
+	{"0x318", 1024, 768,  24},
 	{"0x31B", 1280, 1024, 24},
 };
 

@@ -125,7 +125,7 @@ u16 smtc_ChipIDs[] = {
 	0x720
 };
 
-#define numSMTCchipIDs (sizeof(smtc_ChipIDs) / sizeof(u16))
+#define numSMTCchipIDs ARRAY_SIZE(smtc_ChipIDs)
 
 static void sm712_set_timing(struct smtcfb_info *sfb,
 			     struct par_info *ppar_info)

@@ -812,7 +812,7 @@ static int __init __maybe_unused sm712vga_setup(char *options)
 	smdbg("\nsm712vga_setup = %s\n", options);
 
 	for (index = 0;
-	     index < (sizeof(vesa_mode) / sizeof(struct vesa_mode_table));
+	     index < ARRAY_SIZE(vesa_mode);
 	     index++) {
 		if (strstr(options, vesa_mode[index].mode_index)) {
 			smtc_screen_info.lfb_width = vesa_mode[index].lfb_width;

@@ -846,7 +846,6 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
 	err = pci_enable_device(pdev);	/* enable SMTC chip */
 	if (err)
 		return err;
-	err = -ENOMEM;
 
 	hw.chipID = ent->device;
 	sprintf(name, "sm%Xfb", hw.chipID);

@@ -1139,6 +1138,6 @@ static void __exit smtcfb_exit(void)
 module_init(smtcfb_init);
 module_exit(smtcfb_exit);
 
-MODULE_AUTHOR("Siliconmotion ");
+MODULE_AUTHOR("Siliconmotion");
 MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards");
 MODULE_LICENSE("GPL");

index 0c11383..c5e6989 100644
@@ -30,11 +30,6 @@
 #define SCREEN_Y_RES      600
 #define SCREEN_BPP        16
 
-#ifndef FIELD_OFFSET
-#define FIELD_OFSFET(type, field) \
-	((unsigned long) (PUCHAR) & (((type *)0)->field))
-#endif
-
 /*Assume SM712 graphics chip has 4MB VRAM */
 #define SM712_VIDEOMEMORYSIZE	  0x00400000
 /*Assume SM722 graphics chip has 8MB VRAM */

@@ -790,4 +785,4 @@ struct ModeInit VGAMode[] = {
 	 },
 };
 
-#define numVGAModes		(sizeof(VGAMode) / sizeof(struct ModeInit))
+#define numVGAModes		ARRAY_SIZE(VGAMode)