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Thu, 10 Oct 2019 08:44:33 +0000 From: To: CC: , , 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="Windows-1252" Content-ID: <77381642D9192B479A8D1BEF13FED14E@namprd11.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 21c08659-b5f0-46e1-43d1-08d74d5e1287 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Oct 2019 08:44:33.1202 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: yxQiZh+oYYf4nmpcLj5HRJvB7+xEJGCYOCH0n3Igi0eR8/cpgyPflb5XkeGQZgQyMExGE2XlgiVfWTWebf4TLgTSoeCj5WfgohmSzbggu9I= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1933 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/10/2019 at 21:48, Alexandre Belloni wrote: > The PIT is not required anymore to successfully boot and may actually har= m > in case preempt-rt is used because the PIT interrupt is shared. > Disable it so the TCB clocksource is used. >=20 > 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(+) >=20 > diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_d= t_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=3Dy > CONFIG_ARCH_AT91=3Dy > CONFIG_SOC_AT91RM9200=3Dy > CONFIG_SOC_AT91SAM9=3Dy > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=3Dy > CONFIG_UACCESS_WITH_MEMCPY=3Dy > CONFIG_ZBOOT_ROM_TEXT=3D0x0 > diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_de= fconfig > index 7255709d46ea..ee7db6cedaa6 100644 > --- a/arch/arm/configs/sama5_defconfig > +++ b/arch/arm/configs/sama5_defconfig > @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=3Dy > CONFIG_SOC_SAMA5D2=3Dy > CONFIG_SOC_SAMA5D3=3Dy > CONFIG_SOC_SAMA5D4=3Dy > +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set > CONFIG_AEABI=3Dy > CONFIG_UACCESS_WITH_MEMCPY=3Dy > CONFIG_ZBOOT_ROM_TEXT=3D0x0 >=20 --=20 Nicolas Ferre