Hi Paul, Did you get a chance to look at this series? These fixes will allow us to remove the temporary hacks from the DSS driver.
Tomi On Mon, 2011-08-08 at 12:15 +0300, Tomi Valkeinen wrote: > Second try with the DSS HWMODs > > This set fixes the DSS clocks in HWMOD data, and implements a new reset > mechanism for dss_core. > > The new dss_reset function doesn't actually do a reset, it just enables all > DSS > clocks and waits for the reset to complete. This should be better approach > than > actually doing a reset, because: > > OMAP4 - dss_core HW doesn't contain a SW reset bit so doing a reset is > impossible. But after power-on we need to enable all DSS clocks and wait for > the power-on reset to complete. > > OMAP2/3 - dss_core does have a SW reset bit, but resetting dss_core also > resets > all the other DSS modules. This means that the other modules could be left > uninitialized, as the hwmod code handles all modules independently, and in > this > case initializes only dss_core's registers. Thus dss_core's reset shouldn't be > used, and we should only verify that the power-on reset has completed. > > Tested on OMAP4 and OMAP3. > > The first two HWMOD patches (for OMAP2/3) are not changed since v1. > > Tomi > > Tomi Valkeinen (5): > OMAP2xxx: HWMOD: fix DSS opt clocks > OMAP3: HWMOD: fix DSS opt clocks > OMAP4: HWMOD: fix DSS opt clocks > OMAP2/3: HWMOD: Add SYSS_HAS_RESET_STATUS for dss > OMAP: HWMOD: Unify DSS resets for all OMAPs > > arch/arm/mach-omap2/common-board-devices.h | 4 ++ > arch/arm/mach-omap2/display.c | 35 > ++++++++++++++++++++ > arch/arm/mach-omap2/omap_hwmod_2420_data.c | 15 +++++++- > arch/arm/mach-omap2/omap_hwmod_2430_data.c | 15 +++++++- > .../mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c | 5 ++- > arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 35 +++++++++++++++++-- > arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 18 +++------- > 7 files changed, 106 insertions(+), 21 deletions(-) > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
