Blackfin arch: clear EMAC_SYSTAT during IRQ init rather than early head.S as we dont need it setup that early

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

3 files changed, 5 insertions, 18 deletions

diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 2cc46f8fa9a7..fa4b18eddf63 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -40,15 +40,6 @@
 __INIT
 
 ENTRY(_mach_early_start)
-#if defined(CONFIG_BF527)
-        p0.h = hi(EMAC_SYSTAT);
-        p0.l = lo(EMAC_SYSTAT);
-        R0.h = 0xFFFF; /* Clear EMAC Interrupt Status bits */
-        R0.l = 0xFFFF;
-        [P0] = R0;
-        SSYNC;
-#endif
-
         /* Initialise UART - when booting from u-boot, the UART is not disabled
          * so if we dont initalize here, our serial console gets hosed */
         p0.h = hi(UART1_LCR);
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index c02c8ce2d96f..ba81b779511d 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -54,15 +54,6 @@ ENTRY(_mach_early_start)
         W[P0] = R0.L;
         SSYNC;
 
-#if !defined(CONFIG_BF534)
-        p0.h = hi(EMAC_SYSTAT);
-        p0.l = lo(EMAC_SYSTAT);
-        R0.h = 0xFFFF; /* Clear EMAC Interrupt Status bits */
-        R0.l = 0xFFFF;
-        [P0] = R0;
-        SSYNC;
-#endif
-
         /* Initialise UART - when booting from u-boot, the UART is not disabled
          * so if we dont initalize here, our serial console gets hosed */
         p0.h = hi(BFIN_UART_LCR);
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 7f9df4ee7346..62f8883a5c27 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -983,6 +983,11 @@ int __init init_arch_irq(void)
 
         local_irq_disable();
 
+#if defined(CONFIG_BF527) || defined(CONFIG_BF536) || defined(CONFIG_BF537)
+        /* Clear EMAC Interrupt Status bits so we can demux it later */
+        bfin_write_EMAC_SYSTAT(-1);
+#endif
+
 #ifdef CONFIG_BF54x
 # ifdef CONFIG_PINTx_REASSIGN
         pint[0]->assign = CONFIG_PINT0_ASSIGN;