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OMAP3: PM: DSS PM_WKEN to refill DMA

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Currently, DSS does not wakeup when there is a DMA request.  DSS wake
up event must be enabled so that the DMA request to refill the FIFO
will wake up the CORE domain.

Signed-off-by: Subramani Venkatesh <subramani.venkatesh@windriver.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Subramani Venkatesh 2009-12-22 15:07:50 +05:30 committed by Kevin Hilman
parent d92cfcbe39
commit b92c5721d2
1 changed files with 4 additions and 0 deletions
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4
arch/arm/mach-omap2/pm34xx.c
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@ -890,6 +890,10 @@ static void __init prcm_setup_regs(void)
prm_write_mod_reg(OMAP3430_IO_EN | OMAP3430_WKUP_EN,
OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);
/* Enable PM_WKEN to support DSS LPR */
prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS,
OMAP3430_DSS_MOD, PM_WKEN);
/* Enable wakeups in PER */
prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 |
OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 |