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>

3 files changed, 0 insertions, 18 deletions

diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 4808edb0680f..7cb8258841d4 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -468,12 +468,6 @@ ENTRY(_bfin_reset)
         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 d104e1d8e07a..de78e4281aef 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -504,12 +504,6 @@ _delay_lab1_end:
         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 7bca478526b9..462c39ed8ec5 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -414,12 +414,6 @@ ENTRY(_bfin_reset)
         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);