Vaibhav, On Friday 13 April 2012 03:09 PM, Vaibhav Hiremath wrote: > Current OMAP code supports couple of clocksource options based > on compilation flag (CONFIG_OMAP_32K_TIMER). The 32KHz sync-timer > and a gptimer which can run on 32KHz or system clock (e.g 38.4 MHz) > > This patch series cleans up the existing 32k-sync timer implementation > without any major code changes, uses kernel parameter to override > the default clocksource of "counter_32k", also in order to support > some OMAP based derivative SoCs like AM33XX which doesn't have > 32K sync-timer hardware IP, adds hwmod lookup for omap2+ > devices, and if lookup fails then fall back to gp-timer. > > if(use_gptimer_clksrc == true) > gptimer clocksource init; > else if (counter_32 init == false) > /* Fallback to gptimer */ > gptimer clocksource init(; > > > With this, we should be able to support multi-omap boot > including devices with/without 32k-sync timer. > > This patch-series has been boot tested on AM37xEVM platform, it > would be helpful if somebody help me to validate it on OMAP1/2 > platforms. > > History: > ======== > Changes from V2: > http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/092037.html > - Added early_param support to read clocksource selection > from user through kernel parameter ("clocksource=") > - Converted to ocp_if changes from Paul > > Changes from V1: > http://lists.infradead.org/pipermail/linux-arm-kernel/2012-January/081037.html > - Based on Tony's comment, added pbase & size argument to > omap_init_clocksource_32k(), to avoid cpu_is_xxx() check. > - Added commit description based on discussion on list > (Thanks to Santosh here) > - Reorder patch sequence > > > Vaibhav Hiremath (3): > ARM: OMAP2/3: Add idle_st bits for ST_32KSYNC timer to prcm-common > header > ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database > ARM: OMAP: Make OMAP clocksource source selection using kernel param > This versions of series seems to fine with me. Feel free to add, Reviewed-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> Regards Santosh -- 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
