Blackfin arch: dont clear status register bits in SWRST so we can actually use it
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 4808edb..7cb8258 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -468,12 +468,6 @@
w[p0] = r0.l;
#endif
- /* Clear the bits 13-15 in SWRST if they werent cleared */
- p0.h = hi(SWRST);
- p0.l = lo(SWRST);
- csync;
- r0.l = w[p0];
-
/* Clear the IMASK register */
p0.h = hi(IMASK);
p0.l = lo(IMASK);
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index d104e1d8..de78e42 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -504,12 +504,6 @@
nop;
#endif
- /* Clear the bits 13-15 in SWRST if they werent cleared */
- p0.h = hi(SWRST);
- p0.l = lo(SWRST);
- csync;
- r0.l = w[p0];
-
/* Clear the IMASK register */
p0.h = hi(IMASK);
p0.l = lo(IMASK);
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 7bca478..462c39ed 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -414,12 +414,6 @@
w[p0] = r0.l;
#endif
- /* Clear the bits 13-15 in SWRST if they werent cleared */
- p0.h = hi(SICA_SWRST);
- p0.l = lo(SICA_SWRST);
- csync;
- r0.l = w[p0];
-
/* Clear the IMASK register */
p0.h = hi(IMASK);
p0.l = lo(IMASK);
