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Groups > linux.kernel > #1327834
| From | Robin Murphy <robin.murphy@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access |
| Date | 2016-02-05 16:30 +0100 |
| Message-ID | <qYQuB-22s-1@gated-at.bofh.it> (permalink) |
| References | <qXlsT-2sn-29@gated-at.bofh.it> <qXsNJ-7L8-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 01/02/16 19:58, Stephen Boyd wrote: > On 02/01, Robin Murphy wrote: >> So far, we have been blindly assuming that having access to a >> memory-mapped timer frame implies that the individual elements of that >> frame frame are already enabled. Whilst it's the firmware's job to give >> us non-secure access to frames in the first place, we should not rely >> on implementations always being generous enough to also configure CNTACR >> for those non-secure frames (e.g. [1]). >> >> Explicitly enable feature-level access per-frame, and verify that the >> access we want is really implemented before trying to make use of it. >> >> [1]:https://github.com/ARM-software/tf-issues/issues/170 >> >> Signed-off-by: Robin Murphy <robin.murphy@arm.com> >> --- > > Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> > Tested-by: Stephen Boyd <sboyd@codeaurora.org> Great, thanks! Daniel, am I right in hoping this is something you'll pick up, or should I be resending it to arm-soc? Thanks, Robin.
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[PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Robin Murphy <robin.murphy@arm.com> - 2016-02-01 13:10 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Mark Rutland <mark.rutland@arm.com> - 2016-02-01 14:50 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Stephen Boyd <sboyd@codeaurora.org> - 2016-02-01 21:00 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Robin Murphy <robin.murphy@arm.com> - 2016-02-05 16:30 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-02-05 16:40 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Robin Murphy <robin.murphy@arm.com> - 2016-02-05 16:40 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-02-08 15:10 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Marc Zyngier <marc.zyngier@arm.com> - 2016-02-08 15:10 +0100
Re: [PATCH v2] clocksource/arm_arch_timer: Enable and verify MMIO access Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-02-08 15:40 +0100
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