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

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- 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>
This commit is contained in:
Mike Frysinger 2008-11-18 17:48:22 +08:00 committed by Bryan Wu
parent 397861cd80
commit c6db04a78a
1 changed files with 0 additions and 4 deletions
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4
arch/blackfin/mach-common/ints-priority.c
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@ -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) & bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
~(1 << mask_bit)); ~(1 << mask_bit));
#endif #endif
SSYNC();
} }
static void bfin_internal_unmask_irq(unsigned int irq) 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) | bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) |
(1 << mask_bit)); (1 << mask_bit));
#endif #endif
SSYNC();
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM
@ -960,8 +958,6 @@ static void bfin_demux_gpio_irq(unsigned int inta_irq,
void __init init_exception_vectors(void) void __init init_exception_vectors(void)
{ {
SSYNC();
/* cannot program in software: /* cannot program in software:
* evt0 - emulation (jtag) * evt0 - emulation (jtag)
* evt1 - reset * evt1 - reset