On 19/11/2018 11:35, Biju Das wrote: > Hi Daniel, > > Thanks for the feedback. > >> -----Original Message----- >> From: Daniel Lezcano <[email protected]> >> Sent: 19 November 2018 10:26 >> To: Biju Das <[email protected]>; Rob Herring >> <[email protected]>; Mark Rutland <[email protected]> >> Cc: Simon Horman <[email protected]>; Magnus Damm >> <[email protected]>; [email protected]; >> [email protected]; Geert Uytterhoeven >> <[email protected]>; Chris Paterson >> <[email protected]>; Thomas Gleixner <[email protected]>; >> John Stultz <[email protected]>; Fabrizio Castro >> <[email protected]> >> Subject: Re: [PATCH] arm64: dts: renesas: r8a7796: Add CMT device nodes >> >> On 26/10/2018 10:25, Biju Das wrote: >>> This patch adds CMT{0|1|2|3} device nodes for r8a7796 SoC. >>> >>> Signed-off-by: Biju Das <[email protected]> >>> --- >>> This patch is tested against renesas-dev >>> >>> I have executed on inconsistency-check, nanosleep and >>> clocksource_switch selftests on this arm64 SoC. The >>> inconsistency-check and nanosleep tests are working fine.The >>> clocksource_switch asynchronous test is failing due to inconsistency-check >> failure on "arch_sys_counter". >>> >>> But if i skip the clocksource_switching of "arch_sys_counter", the >>> asynchronous test is passing for CMT0/1/2/3 timer. >>> >>> Has any one noticed this issue? >> >> So now that you mention that, I've been through the clocksource_switch on >> another ARM64 platform (hikey960) and disabled the >> ARM64_ERRATUM_858921 config option. I can see the same issue. >> >> Is this option set on your config ? > > No. As per " config ARM64_ERRATUM_858921", it is "Workaround for Cortex-A73 > erratum 858921" > > Our SoC is 2xCA-57 + 4 x CA-53. Does it impact CA-57 + CA_53?
Dunno :/ > Any way I will enable this config option and will provide you the results. Ok, thanks! > The following errata is set in our kernel config. > > CONFIG_ARM64_ERRATUM_826319=y > CONFIG_ARM64_ERRATUM_827319=y > CONFIG_ARM64_ERRATUM_824069=y > CONFIG_ARM64_ERRATUM_819472=y > CONFIG_ARM64_ERRATUM_832075=y > CONFIG_ARM64_ERRATUM_834220=y > CONFIG_ARM64_ERRATUM_845719=y > CONFIG_ARM64_ERRATUM_843419=y > CONFIG_ARM64_ERRATUM_1024718=y > CONFIG_ARM64_ERRATUM_1188873=y > > Regards. > Biju > > > > Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, > Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered > No. 04586709. > -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
