sc520_spunk: Fix flash

flash.c:593: warning: dereferencing type-punned pointer will break strict-aliasing rules
flash.c:398: error: label at end of compound statement
Signed-off-by: NJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

board/sc520_spunk/flash.c

@@ -33,7 +33,6 @@
 #define PROBE_BUFFER_SIZE 1024
 static unsigned char buffer[PROBE_BUFFER_SIZE];
 
-
 #define SC520_MAX_FLASH_BANKS  1
 #define SC520_FLASH_BANK0_BASE 0x38000000  /* BOOTCS */
 #define SC520_FLASH_BANKSIZE   0x8000000
@@ -62,7 +61,6 @@ flash_info_t    flash_info[SC520_MAX_FLASH_BANKS];
 /*-----------------------------------------------------------------------
  */
 
-
 static u32 _probe_flash(u32 addr, u32 bw, int il)
 {
 	u32 result=0;
@@ -180,7 +178,6 @@ static u32 _probe_flash(u32 addr, u32 bw, int il)
 		break;
 	}
 
-
 	return result;
 }
 
@@ -215,11 +212,9 @@ static int identify_flash(unsigned address, int width)
 		enable_interrupts();
 	}
 
-
 	vendor = res >> 16;
 	device = res & 0xffff;
 
-
 	return res;
 }
 
@@ -385,7 +380,6 @@ void flash_print_info(flash_info_t *info)
 		break;
 	}
 
-
 	printf("  Size: %ld MB in %d Sectors\n",
 	       info->size >> 20, info->sector_count);
 
@@ -399,13 +393,13 @@ void flash_print_info(flash_info_t *info)
 	}
 	printf ("\n");
 
-	done:
+done:
+	return;
 }
 
 /*-----------------------------------------------------------------------
  */
 
-
 static u32 _amd_erase_flash(u32 addr, u32 sector)
 {
 	unsigned elapsed;
@@ -467,7 +461,6 @@ static u32 _intel_erase_flash(u32 addr, u32 sector)
 	*(volatile u16*)(addr + sector) = 0x0020;   /* erase setup */
 	*(volatile u16*)(addr + sector) = 0x00D0;   /* erase confirm */
 
-
 	/* Wait at least 80us - let's wait 1 ms */
 	__udelay(1000);
 
@@ -486,7 +479,6 @@ static u32 _intel_erase_flash(u32 addr, u32 sector)
 	return 0;
 }
 
-
 extern int _intel_erase_flash_end;
 asm ("_intel_erase_flash_end:\n"
      ".long 0\n");
@@ -548,7 +540,6 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 		printf ("\n");
 	}
 
-
 	/* Start erase on unprotected sectors */
 	for (sect = s_first; sect<=s_last; sect++) {
 
@@ -566,7 +557,6 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 				enable_interrupts();
 			}
 
-
 			if (res) {
 				printf("Erase timed out, sector %d\n", sect);
 				return res;
@@ -576,7 +566,6 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 		}
 	}
 
-
 	return 0;
 }
 
@@ -586,11 +575,11 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
  * 1 - write timeout
  * 2 - Flash not erased
  */
-static int _amd_write_word(unsigned start, unsigned dest, unsigned data)
+static int _amd_write_word(unsigned start, unsigned dest, u16 data)
 {
-	volatile u16 *addr2 = (u16*)start;
-	volatile u16 *dest2 = (u16*)dest;
-	volatile u16 *data2 = (u16*)&data;
+	volatile u16 *addr2 = (volatile u16*)start;
+	volatile u16 *dest2 = (volatile u16*)dest;
+	volatile u16 *data2 = (volatile u16*)&data;
 	int i;
 	unsigned elapsed;
 
@@ -601,7 +590,6 @@ static int _amd_write_word(unsigned start, unsigned dest, unsigned data)
 
 	for (i = 0; i < 2; i++) {
 
-
 		addr2[0x5555] = 0x00AA;
 		addr2[0x2aaa] = 0x0055;
 		addr2[0x5555] = 0x00A0;
@@ -630,7 +618,6 @@ extern int _amd_write_word_end;
 asm ("_amd_write_word_end:\n"
      ".long 0\n");
 
-
 static int _intel_write_word(unsigned start, unsigned dest, unsigned data)
 {
 	int i;
@@ -663,14 +650,12 @@ static int _intel_write_word(unsigned start, unsigned dest, unsigned data)
 
 
 	return 0;
-
 }
 
 extern int _intel_write_word_end;
 asm ("_intel_write_word_end:\n"
      ".long 0\n");
 
-
 /*-----------------------------------------------------------------------
  * Copy memory to flash, returns:
  * 0 - OK
@@ -715,10 +700,8 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
 		return 3;
 	}
 
-
 	wp = (addr & ~3);	/* get lower word aligned address */
 
-
 	/*
 	 * handle unaligned start bytes
 	 */
@@ -805,5 +788,4 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
 	}
 
 	return rc;
-
 }