From: Kukjin Kim <kgene.kim@samsung.com> To: Tomasz Figa <tomasz.figa@gmail.com> Cc: Kukjin Kim <kgene.kim@samsung.com>, "'Tomasz Figa'" <t.figa@samsung.com>, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "'Marek Szyprowski'" <m.szyprowski@samsung.com> Subject: Re: [PATCH 2/6] ARM: EXYNOS: Fix core ID used by platsmp and hotplug code Date: Wed, 16 Jul 2014 03:00:12 +0900 [thread overview] Message-ID: <53C56C2C.8010801@samsung.com> (raw) In-Reply-To: <53C3A7FE.8000401@gmail.com> On 07/14/14 18:50, Tomasz Figa wrote: > Hi Kukjin, > Hi, > On 08.07.2014 15:21, Kukjin Kim wrote: >> Tomasz Figa wrote: >>> >>> When CPU topology is specified in device tree, cpu_logical_map() does >>> not return core ID anymore, but rather full MPIDR value. This breaks >>> existing calculation of PMU register offsets on Exynos SoCs. >>> >>> This patch fixes the problem by adjusting the code to use only core ID >>> bits of the value returned by cpu_logical_map() to allow CPU topology to >>> be specified in device tree on Exynos SoCs. >>> >>> Signed-off-by: Tomasz Figa<t.figa@samsung.com> >> >> Looks good to me, but I think we don't need this fix in 3.16 because the CPU >> topology is not specified in DT yet...if I'm wrong, please correct me. > > CPU topology is already specified in DT for Exynos3250, 5250, 5260, 5410 > and 5420/5800. > > This patch also fixes CPU hotplug on SoCs with more than 2 cores, > because it removes incorrect condition check in platform_do_lowpower(). > > Please take this fix for next -rc release. > Agreed and I've applied this into fixes for 3.16... Thanks, Kukjin
WARNING: multiple messages have this Message-ID (diff)
From: kgene.kim@samsung.com (Kukjin Kim) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/6] ARM: EXYNOS: Fix core ID used by platsmp and hotplug code Date: Wed, 16 Jul 2014 03:00:12 +0900 [thread overview] Message-ID: <53C56C2C.8010801@samsung.com> (raw) In-Reply-To: <53C3A7FE.8000401@gmail.com> On 07/14/14 18:50, Tomasz Figa wrote: > Hi Kukjin, > Hi, > On 08.07.2014 15:21, Kukjin Kim wrote: >> Tomasz Figa wrote: >>> >>> When CPU topology is specified in device tree, cpu_logical_map() does >>> not return core ID anymore, but rather full MPIDR value. This breaks >>> existing calculation of PMU register offsets on Exynos SoCs. >>> >>> This patch fixes the problem by adjusting the code to use only core ID >>> bits of the value returned by cpu_logical_map() to allow CPU topology to >>> be specified in device tree on Exynos SoCs. >>> >>> Signed-off-by: Tomasz Figa<t.figa@samsung.com> >> >> Looks good to me, but I think we don't need this fix in 3.16 because the CPU >> topology is not specified in DT yet...if I'm wrong, please correct me. > > CPU topology is already specified in DT for Exynos3250, 5250, 5260, 5410 > and 5420/5800. > > This patch also fixes CPU hotplug on SoCs with more than 2 cores, > because it removes incorrect condition check in platform_do_lowpower(). > > Please take this fix for next -rc release. > Agreed and I've applied this into fixes for 3.16... Thanks, Kukjin
next prev parent reply other threads:[~2014-07-15 18:00 UTC|newest] Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-24 13:57 [PATCH 0/6] Various Samsung fixes for v3.16-rc3 Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-24 13:57 ` [PATCH 1/6] mmc: sdhci-s3c: Fix local I/O clock gating Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-07-14 8:05 ` Jaehoon Chung 2014-07-14 8:05 ` Jaehoon Chung 2014-06-24 13:57 ` [PATCH 2/6] ARM: EXYNOS: Fix core ID used by platsmp and hotplug code Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-07-08 13:21 ` Kukjin Kim 2014-07-08 13:21 ` Kukjin Kim 2014-07-14 9:50 ` Tomasz Figa 2014-07-14 9:50 ` Tomasz Figa 2014-07-14 9:50 ` Tomasz Figa 2014-07-15 18:00 ` Kukjin Kim [this message] 2014-07-15 18:00 ` Kukjin Kim 2014-06-24 13:57 ` [PATCH 3/6] clk: samsung: exynos4: Remove SRC_MASK_ISP gates Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-25 9:58 ` Daniel Drake 2014-06-25 9:58 ` Daniel Drake 2014-06-25 10:10 ` Tomasz Figa 2014-06-25 10:10 ` Tomasz Figa 2014-06-30 13:50 ` Tomasz Figa 2014-06-30 13:50 ` Tomasz Figa 2014-06-24 13:57 ` [PATCH 4/6] ARM: SAMSUNG: Restore Samsung PM Debug functionality Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-25 10:09 ` Daniel Drake 2014-06-25 10:09 ` Daniel Drake 2014-06-25 11:41 ` Tomasz Figa 2014-06-25 11:41 ` Tomasz Figa 2014-06-25 11:43 ` [PATCH v2 " Tomasz Figa 2014-06-25 11:43 ` Tomasz Figa 2014-06-26 9:24 ` Daniel Drake 2014-06-26 9:24 ` Daniel Drake 2014-07-14 9:52 ` Tomasz Figa 2014-07-14 9:52 ` Tomasz Figa 2014-07-08 13:48 ` [PATCH " Kukjin Kim 2014-07-08 13:48 ` Kukjin Kim 2014-07-08 13:54 ` Tomasz Figa 2014-07-08 13:54 ` Tomasz Figa 2014-07-15 18:02 ` Kukjin Kim 2014-07-15 18:02 ` Kukjin Kim 2014-07-15 23:59 ` Tomasz Figa 2014-07-15 23:59 ` Tomasz Figa 2014-07-21 10:30 ` Tomasz Figa 2014-07-21 10:30 ` Tomasz Figa 2014-06-24 13:57 ` [PATCH 5/6] ARM: EXYNOS: Fix suspend/resume sequencies Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-06-24 15:33 ` Abhilash Kesavan 2014-06-24 15:33 ` Abhilash Kesavan 2014-07-08 14:02 ` Kukjin Kim 2014-07-08 14:02 ` Kukjin Kim 2014-06-24 13:57 ` [PATCH 6/6] ARM: EXYNOS: Register cpuidle device only on Exynos4210 and 5250 Tomasz Figa 2014-06-24 13:57 ` Tomasz Figa 2014-07-08 14:15 ` Kukjin Kim 2014-07-08 14:15 ` Kukjin Kim 2014-07-08 15:45 ` Bartlomiej Zolnierkiewicz 2014-07-08 15:45 ` Bartlomiej Zolnierkiewicz 2014-07-10 13:30 ` Kukjin Kim 2014-07-10 13:30 ` Kukjin Kim 2014-06-25 11:52 ` [PATCH v2 5/6] ARM: EXYNOS: Fix suspend/resume sequences Tomasz Figa 2014-06-25 11:52 ` Tomasz Figa 2014-07-14 9:54 ` Tomasz Figa 2014-07-14 9:54 ` Tomasz Figa 2014-07-15 11:19 ` Bartlomiej Zolnierkiewicz 2014-07-15 11:19 ` Bartlomiej Zolnierkiewicz 2014-07-15 12:15 ` Tomasz Figa 2014-07-15 12:15 ` Tomasz Figa 2014-07-15 14:24 ` [PATCH v3] " Tomasz Figa 2014-07-15 14:24 ` Tomasz Figa 2014-07-15 14:26 ` Tomasz Figa 2014-07-15 14:26 ` Tomasz Figa 2014-07-17 14:42 ` Tomasz Figa 2014-07-17 14:42 ` Tomasz Figa 2014-07-21 10:23 ` Tomasz Figa 2014-07-21 10:23 ` Tomasz Figa 2014-07-15 17:31 ` [PATCH v2 5/6] " Chander Kashyap 2014-07-15 17:31 ` Chander Kashyap 2014-07-15 17:31 ` Chander Kashyap 2014-07-01 13:54 ` [PATCH 0/6] Various Samsung fixes for v3.16-rc3 Tomasz Figa 2014-07-01 13:54 ` Tomasz Figa 2014-07-07 23:25 ` Kukjin Kim 2014-07-07 23:25 ` Kukjin Kim
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