diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2007-05-21 18:09:16 +0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-21 09:50:21 -0700 |
| commit | d1b945fdb62f3e6852fea5a8779c0151ac1e55a8 (patch) | |
| tree | d7c46472f4015534f383a724f79ee36454fe58bf /include/asm-blackfin | |
| parent | 9ae246cd85e05d3fb31b9770588c1fe0914872fe (diff) | |
| download | lwn-d1b945fdb62f3e6852fea5a8779c0151ac1e55a8.tar.gz lwn-d1b945fdb62f3e6852fea5a8779c0151ac1e55a8.zip | |
Blackfin arch: Move write to VR_CTL closer to IDLE
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-blackfin')
| -rw-r--r-- | include/asm-blackfin/mach-bf533/cdefBF532.h | 6 | ||||
| -rw-r--r-- | include/asm-blackfin/mach-bf537/cdefBF534.h | 6 | ||||
| -rw-r--r-- | include/asm-blackfin/mach-bf561/cdefBF561.h | 6 |
3 files changed, 12 insertions, 6 deletions
diff --git a/include/asm-blackfin/mach-bf533/cdefBF532.h b/include/asm-blackfin/mach-bf533/cdefBF532.h index 1d7c494ceb64..521bdb4d297d 100644 --- a/include/asm-blackfin/mach-bf533/cdefBF532.h +++ b/include/asm-blackfin/mach-bf533/cdefBF532.h @@ -63,12 +63,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) { unsigned long flags, iwr; - bfin_write16(VR_CTL, val); - __builtin_bfin_ssync(); /* Enable the PLL Wakeup bit in SIC IWR */ iwr = bfin_read32(SIC_IWR); /* Only allow PPL Wakeup) */ bfin_write32(SIC_IWR, IWR_ENABLE(0)); + + bfin_write16(VR_CTL, val); + __builtin_bfin_ssync(); + local_irq_save(flags); asm("IDLE;"); local_irq_restore(flags); diff --git a/include/asm-blackfin/mach-bf537/cdefBF534.h b/include/asm-blackfin/mach-bf537/cdefBF534.h index 7b658c175f85..9a167f3b224e 100644 --- a/include/asm-blackfin/mach-bf537/cdefBF534.h +++ b/include/asm-blackfin/mach-bf537/cdefBF534.h @@ -51,12 +51,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) { unsigned long flags, iwr; - bfin_write16(VR_CTL, val); - __builtin_bfin_ssync(); /* Enable the PLL Wakeup bit in SIC IWR */ iwr = bfin_read32(SIC_IWR); /* Only allow PPL Wakeup) */ bfin_write32(SIC_IWR, IWR_ENABLE(0)); + + bfin_write16(VR_CTL, val); + __builtin_bfin_ssync(); + local_irq_save(flags); asm("IDLE;"); local_irq_restore(flags); diff --git a/include/asm-blackfin/mach-bf561/cdefBF561.h b/include/asm-blackfin/mach-bf561/cdefBF561.h index 5dc0ed835447..b14f872e5703 100644 --- a/include/asm-blackfin/mach-bf561/cdefBF561.h +++ b/include/asm-blackfin/mach-bf561/cdefBF561.h @@ -59,12 +59,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) { unsigned long flags, iwr; - bfin_write16(VR_CTL, val); - __builtin_bfin_ssync(); /* Enable the PLL Wakeup bit in SIC IWR */ iwr = bfin_read32(SICA_IWR0); /* Only allow PPL Wakeup) */ bfin_write32(SICA_IWR0, IWR_ENABLE(0)); + + bfin_write16(VR_CTL, val); + __builtin_bfin_ssync(); + local_irq_save(flags); asm("IDLE;"); local_irq_restore(flags); |