Hi Kevin, On Fri, Mar 11, 2011 at 07:50:11PM +0530, G, Manjunath Kondaiah wrote: > Patch series to support mstandby mode handling and enabling runtime PM > support for DMA driver. > > Changes from v1: > - fixed runtime_status issue if channel linking feature is used. > - fixed context restore issue during off mode. > - removed sysconfig register access during DMA context/restore > > The review comments and alignment can be found at: > http://thread.gmane.org/gmane.linux.ports.arm.omap/53150 > > Baseline: > git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git > Branch: omap-for-linus > commit 94a06b74e724caabcf0464c81527cfbcae0c8aff > Merge: 0dde52a 9062511 > Author: Tony Lindgren <tony@xxxxxxxxxxx> > > Note: For OMAP2420 and OMAP2430, the patch series is tested on top of > v2.6.38-rc4 since boot fails with latest mainline for the above OMAP's. > > Build: > - omap1_defconfig > - omap2plus_defconfig > > Boot test: > - OMAP1710 H3 > - OMAP2420 H4 > - OMAP2430 SDP > - OMAP3430 Zoom2 > - OMAP3630 Zoom3 > - OMAP4430 Blaze > > DMA tests: > The following dma test code is used for testing OMAP2+ boards: > git://gitorious.org/omap-test/dmatest.git > > Apart from that, offmode testing is done for OMAP3430-Zoom2 using the procedure: > echo 1 > /debug/pm_debug/sleep_while_idle > echo 1 > /debug/pm_debug/enable_off_mode > echo 5 > /sys/devices/platform/omap/omap_uart.0/sleep_timeout > echo 5 > /sys/devices/platform/omap/omap_uart.1/sleep_timeout > echo 5 > /sys/devices/platform/omap/omap_uart.2/sleep_timeout > > With the above steps, core off mode count gets increasing if the the board > is idle for more than 5 seconds. > > Also, DMA transfers are done with forever option using: > insmod ./dmatest.ko linking=1 forever=1 forever_period=1024 debug=1 > > The /sys/devices/platform/omap/omap_dma_system.0/power/runtime_status > was verified and after completion of the tests, runtime_status will be > always suspended. > > (Special thanks to Kevin Hilman for identifying runtime_status count issue > with DMA linking option). Ping? Anymore comments on this series? -Manjunath > > G, Manjunath Kondaiah (4): > OMAP2+: PM: omap device: API's for handling mstandby mode > OMAP2+: DMA: prevent races while setting M idle mode to nostandby > OMAP: PM: DMA: Enable runtime pm > OMAP: DMA: Fix: context restore during off mode > > arch/arm/mach-omap1/dma.c | 1 + > arch/arm/mach-omap2/dma.c | 16 ++ > arch/arm/mach-omap2/omap_hwmod.c | 42 ++++++ > arch/arm/plat-omap/dma.c | 194 +++++++++++++++++++++---- > arch/arm/plat-omap/include/plat/dma.h | 1 + > arch/arm/plat-omap/include/plat/omap_device.h | 2 + > arch/arm/plat-omap/include/plat/omap_hwmod.h | 4 +- > arch/arm/plat-omap/omap_device.c | 64 ++++++++ > 8 files changed, 293 insertions(+), 31 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
