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Commit d1b945fd authored by Michael Hennerich's avatar Michael Hennerich Committed by Linus Torvalds
Browse files

Blackfin arch: Move write to VR_CTL closer to IDLE 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9ae246cd

include/asm-blackfin/mach-bf533/cdefBF532.h

+4 −2
Original line number Diff line number Diff line
@@ -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);

include/asm-blackfin/mach-bf537/cdefBF534.h

+4 −2
Original line number Diff line number Diff line
@@ -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);

include/asm-blackfin/mach-bf561/cdefBF561.h

+4 −2
Original line number Diff line number Diff line
@@ -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);