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x-microsoft-antispam-message-info: MMEuOR0FsyPesPXYgFH5NmoFG8ODY0VX7rNrbUr8UfYQU5dgt7hVfxICPx+nRfvoW+SZFwTJp8pqyttmGkyc2hQvCG2Ob+1QJq0XT/sWtcsD69mihias1tx5z6YsTDBXV9aNwDtJFSdW+PnGPqMkBjyKBMMp2mtslCC8w+M/bjm7XXuJWd7D1RsS/CPQ+yVd4SIkM1v3HsISW43Xg52QjKT7n7dogzfuW9clBeTR5oovS+p3Hzvl/AgyfKzv3mlSq9j9BAH/4iBntp6Iuhcu+3xwktM/+cliqjV1gzUV+HulY2taN7YjLHhl/S2wx6x2l/M44SHOOfmtGqKBLniNepkM7HqgsCvvz1rjeR7jLE0J/o5fOGp/lPPOXgPsQNCMsSdp7rlIviH4Y+L2uPlzVugsdWHX1KYTHUHfnvdXJgXLcDQssErq1LCcu4Yn8P+9 x-ms-exchange-antispam-messagedata: mhpLNnnxxmo0iCeQWZ6ek8MwrvUniI3kqfJx+6MJ2iM/uUUFfup4LnCA0w68PPlXEVs3GomQj1HuMF0ZT7FivCWASBjY/T9ebMbgQFZG1hGBwFbETAelEeRIlgdFVxWlzPQiTTYcd08qRj9fW72BnA== Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b1f57596-5cd4-4520-a40f-08d7d5da1e83 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Apr 2020 01:15:08.6915 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: p+RE3FXLa2+qnyQhU2S85NydL/lYog53SjYM9hX1dVLrbI9xD+8Aan62pHlYM71QeOTmAmTinxrF5l4o9GT+8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5041 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org > Subject: [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel > availablity >=20 > Instead of declaring the channel availabilty unconditionally, let us chec= k for > the presence of "shmem" property and return the channel availablity > accordingly. >=20 > Signed-off-by: Sudeep Holla > --- > drivers/firmware/arm_scmi/smc.c | 5 +++++ > 1 file changed, 5 insertions(+) >=20 > diff --git a/drivers/firmware/arm_scmi/smc.c > b/drivers/firmware/arm_scmi/smc.c index dd4b54c29679..5929c668dc1d > 100644 > --- a/drivers/firmware/arm_scmi/smc.c > +++ b/drivers/firmware/arm_scmi/smc.c > @@ -33,6 +33,11 @@ struct scmi_smc { >=20 > static bool smc_chan_available(struct device *dev, int idx) { > + struct device_node *np =3D of_parse_phandle(dev->of_node, "shmem", 0); > + if (!np) > + return false; > + > + of_node_put(np); > return true; > } This is global shared mem:) Reviewed-by: Peng Fan >=20 > -- > 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4E73C43331 for ; Wed, 1 Apr 2020 01:15:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 70F41206CC for ; Wed, 1 Apr 2020 01:15:25 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Wed, 1 Apr 2020 01:15:08 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::ad44:6b0d:205d:f8fc]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::ad44:6b0d:205d:f8fc%7]) with mapi id 15.20.2856.019; Wed, 1 Apr 2020 01:15:08 +0000 From: Peng Fan To: Sudeep Holla , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" Subject: RE: [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel availablity Thread-Topic: [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel availablity Thread-Index: AQHWBFX349uurCtgD0iyveXnNMUeUKhjfOyQ Date: Wed, 1 Apr 2020 01:15:08 +0000 Message-ID: References: <20200327163654.13389-1-sudeep.holla@arm.com> <20200327163654.13389-4-sudeep.holla@arm.com> In-Reply-To: <20200327163654.13389-4-sudeep.holla@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: b1f57596-5cd4-4520-a40f-08d7d5da1e83 x-ms-traffictypediagnostic: AM0PR04MB5041:|AM0PR04MB5041: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3968; 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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 > Subject: [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel > availablity > > Instead of declaring the channel availabilty unconditionally, let us check for > the presence of "shmem" property and return the channel availablity > accordingly. > > Signed-off-by: Sudeep Holla > --- > drivers/firmware/arm_scmi/smc.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/firmware/arm_scmi/smc.c > b/drivers/firmware/arm_scmi/smc.c index dd4b54c29679..5929c668dc1d > 100644 > --- a/drivers/firmware/arm_scmi/smc.c > +++ b/drivers/firmware/arm_scmi/smc.c > @@ -33,6 +33,11 @@ struct scmi_smc { > > static bool smc_chan_available(struct device *dev, int idx) { > + struct device_node *np = of_parse_phandle(dev->of_node, "shmem", 0); > + if (!np) > + return false; > + > + of_node_put(np); > return true; > } This is global shared mem:) Reviewed-by: Peng Fan > > -- > 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel