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Thu, 10 Oct 2019 08:44:33 +0000 From: To: Subject: Re: [PATCH] ARM: configs: at91: unselect PIT Thread-Topic: [PATCH] ARM: configs: at91: unselect PIT Thread-Index: AQHVftqQAUV07MlkkU2jYG8NKWK1+adTkCOA Date: Thu, 10 Oct 2019 08:44:33 +0000 Message-ID: <7d1be31b-dde0-d42b-745e-a83585ac379b@microchip.com> References: <20191009194814.15034-1-alexandre.belloni@bootlin.com> In-Reply-To: <20191009194814.15034-1-alexandre.belloni@bootlin.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: PR0P264CA0127.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:1a::19) To MWHPR11MB1662.namprd11.prod.outlook.com (2603:10b6:301:e::15) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [213.41.198.74] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 21c08659-b5f0-46e1-43d1-08d74d5e1287 x-ms-traffictypediagnostic: MWHPR11MB1933: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5797; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/10/2019 at 21:48, Alexandre Belloni wrote: > The PIT is not required anymore to successfully boot and may actually harm > in case preempt-rt is used because the PIT interrupt is shared. > Disable it so the TCB clocksource is used. > > Signed-off-by: Alexandre Belloni Acked-by: Nicolas Ferre > --- > arch/arm/configs/at91_dt_defconfig | 1 + > arch/arm/configs/sama5_defconfig | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig > index 63d09e61b6dc..7e5ffdab47da 100644 > --- a/arch/arm/configs/at91_dt_defconfig > +++ b/arch/arm/configs/at91_dt_defconfig > @@ -18,6 +18,7 @@ CONFIG_ARCH_MULTI_V5=y > CONFIG_ARCH_AT91=y > CONFIG_SOC_AT91RM9200=y > CONFIG_SOC_AT91SAM9=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0 > diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig > index 7255709d46ea..ee7db6cedaa6 100644 > --- a/arch/arm/configs/sama5_defconfig > +++ b/arch/arm/configs/sama5_defconfig > @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=y > CONFIG_SOC_SAMA5D2=y > CONFIG_SOC_SAMA5D3=y > CONFIG_SOC_SAMA5D4=y > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=y > CONFIG_UACCESS_WITH_MEMCPY=y > CONFIG_ZBOOT_ROM_TEXT=0x0 > -- Nicolas Ferre _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel