Blackfin arch: remove useless SSYNC() in irq priority code

 - remove SSYNC() left over from irq init split
 - do not force SSYNC() when masking/unmasking IRQs in the SIC
   as any order enforced by the hardware should already be enforced
   by software

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

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 5b374ff..25ad25e 100644 (file)
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -167,7 +167,6 @@ static void bfin_internal_mask_irq(unsigned int irq)
        bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
                             ~(1 << mask_bit));
 #endif
-       SSYNC();
 }
 
 static void bfin_internal_unmask_irq(unsigned int irq)
@@ -182,7 +181,6 @@ static void bfin_internal_unmask_irq(unsigned int irq)
        bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) |
                             (1 << mask_bit));
 #endif
-       SSYNC();
 }
 
 #ifdef CONFIG_PM
@@ -960,8 +958,6 @@ static void bfin_demux_gpio_irq(unsigned int inta_irq,
 
 void __init init_exception_vectors(void)
 {
-       SSYNC();
-
        /* cannot program in software:
         * evt0 - emulation (jtag)
         * evt1 - reset