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>
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index 488bdc5..c4c0081 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -54,7 +54,9 @@
/* 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