* santosh shilimkar <santosh.shilimkar@xxxxxxxxxx> [150121 12:16]: > On 1/21/2015 10:36 AM, Tony Lindgren wrote: > >* Marc Zyngier <marc.zyngier@xxxxxxx> [150121 09:25]: > >>On 21/01/15 16:30, Tony Lindgren wrote: > >> > >>>I gave this a quick boot test on am437x-gp-evm and the > >>>interrupts look OK with the fix also applied: > >>> > >>># cat /proc/interrupts > >>> CPU0 > >>> 16: 657 WUGEN 68 gp_timer > >>> 18: 0 WUGEN 9 l3-dbg-irq > >>> 19: 0 WUGEN 10 l3-app-irq > >>> 20: 5 WUGEN 12 edma > >>> 22: 0 WUGEN 14 edma_error > >>> 23: 96 WUGEN 72 OMAP UART0 > >>> 33: 0 44e07000.gpio 6 mmc0 > >>>158: 52 WUGEN 70 44e0b000.i2c > >>>159: 0 WUGEN 71 4802a000.i2c > >>>160: 35 WUGEN 64 mmc0 > >>>161: 0 WUGEN 40 4a100000.ethernet > >>>162: 7739 WUGEN 41 4a100000.ethernet > >>>163: 7608 WUGEN 42 4a100000.ethernet > >>>164: 0 WUGEN 43 4a100000.ethernet > >>>170: 0 WUGEN 100 gpmc > >>>180: 0 WUGEN 7 tps65218 > >>>IPI0: 0 CPU wakeup interrupts > >>>IPI1: 0 Timer broadcast interrupts > >>>IPI2: 0 Rescheduling interrupts > >>>IPI3: 0 Function call interrupts > >>>IPI4: 0 Single function call interrupts > >>>IPI5: 0 CPU stop interrupts > >>>IPI6: 0 IRQ work interrupts > >>>IPI7: 0 completion interrupts > >>>Err: 0 > >> > >>Interesting. No TWD timer on this one? > > > >Good question, adding Felipe to cc. It eems to be there in > >the TRM in "Table 2-3. L4_PER Peripheral Memory Map" as > >MPU_PRV_TIMERS. Also seems to actually work with the > >attached patch: > > > TWD is useless on this machine since single core and TWD > as know die in low power states. All the broadcast stuff > is for SMP machines. Hmm it seems we should still use TWD during runtime and swich over to the gptimer for idle states for wake-up events. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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