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| author | Subramani Venkatesh <subramani.venkatesh@windriver.com> | 2009-12-22 15:07:50 +0530 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-01-20 18:16:09 -0800 |
| commit | b92c5721d28507738d294e9a582eb6232ec6abad (patch) | |
| tree | 459bbe59b1e61f6eee9c7971901a4d7bfdeced88 /arch | |
| parent | d92cfcbe39fdb2328a28b5505f31cb8be40fc339 (diff) | |
| download | linux-b92c5721d28507738d294e9a582eb6232ec6abad.tar.gz linux-b92c5721d28507738d294e9a582eb6232ec6abad.tar.bz2 linux-b92c5721d28507738d294e9a582eb6232ec6abad.zip | |
OMAP3: PM: DSS PM_WKEN to refill DMA
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 31762ca9f117..910a7acf542d 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -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 | |