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| author | Mike Frysinger <vapier@gentoo.org> | 2011-06-30 00:49:30 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-23 01:18:33 -0400 |
| commit | b0d3dc1291e862c17c003cb4a9a6e20c79f5bd78 (patch) | |
| tree | f80bc514bfc1fb3b503d94901210d252437a012a /arch/blackfin | |
| parent | 65cd3b5362e97d519befbfa786879b9760f72ec5 (diff) | |
| download | linux-stable-b0d3dc1291e862c17c003cb4a9a6e20c79f5bd78.tar.gz linux-stable-b0d3dc1291e862c17c003cb4a9a6e20c79f5bd78.tar.bz2 linux-stable-b0d3dc1291e862c17c003cb4a9a6e20c79f5bd78.zip | |
Blackfin: bf526: restrict reboot workaround to 0.0 silicon
The bug in the BF526 rom when doing a software reset exists only in older
silicon versions, so don't clear SWRST on newer parts.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/kernel/reboot.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index 488bdc51aaa5..c4c0081b1996 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -54,7 +54,9 @@ static void bfin_reset(void) /* The BF526 ROM will crash during reset */ #if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__) - bfin_read_SWRST(); + /* Seems to be fixed with newer parts though ... */ + if (__SILICON_REVISION__ < 1 && bfin_revid() < 1) + bfin_read_SWRST(); #endif /* Wait for the SWRST write to complete. Cannot rely on SSYNC |