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| author | Wolfgang Denk <wd@denx.de> | 2011-11-04 15:55:16 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-11-07 22:11:24 +0100 |
| commit | 17834a5c63b7a4327205107d9d3e689326f527a4 (patch) | |
| tree | 359524483e355f790873d1f4182cdeb121b5a341 /board/pm520 | |
| parent | 6471ada534a917f89dd910cfe06279ea1238fbd0 (diff) | |
| download | u-boot-17834a5c63b7a4327205107d9d3e689326f527a4.tar.gz u-boot-17834a5c63b7a4327205107d9d3e689326f527a4.tar.bz2 u-boot-17834a5c63b7a4327205107d9d3e689326f527a4.zip | |
PM520: add missing enable_interrupts()
The code disabled interrupts in several locations, without re-enabling
them again. Fix this.
While we are at it, also fix a GCC 4.6 build warning:
flash.c: In function 'flash_erase':
flash.c:373:21: warning: variable 'last' set but not used
[-Wunused-but-set-variable]
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Josef Wagner <Wagner@Microsys.de>
Diffstat (limited to 'board/pm520')
| -rw-r--r-- | board/pm520/flash.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/board/pm520/flash.c b/board/pm520/flash.c index 64c8624157..01dcd560c9 100644 --- a/board/pm520/flash.c +++ b/board/pm520/flash.c @@ -370,7 +370,7 @@ static unsigned char intel_sector_protected (flash_info_t *info, ushort sector) int flash_erase (flash_info_t *info, int s_first, int s_last) { int flag, prot, sect; - ulong type, start, last; + ulong type, start; int rcode = 0; if ((s_first < 0) || (s_first > s_last)) { @@ -404,7 +404,6 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) } start = get_timer (0); - last = start; /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts (); @@ -440,6 +439,10 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) printf (" done\n"); } } + + if (flag) + enable_interrupts(); + return rcode; } @@ -543,6 +546,7 @@ static int write_data (flash_info_t *info, ulong dest, FPW data) ulong status; ulong start; int flag; + int rcode = 0; /* Check if Flash is (sufficiently) erased */ if ((*addr & data) != data) { @@ -561,14 +565,17 @@ static int write_data (flash_info_t *info, ulong dest, FPW data) /* wait while polling the status register */ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); + rcode = 1; + break; } } *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); + if (flag) + enable_interrupts(); + + return rcode; } void inline spin_wheel (void) |