Message ID | 20200501134418.7319-5-peng.fan@nxp.com |
---|---|
State | Changes Requested |
Delegated to: | Stefano Babic |
Headers | show
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Fri, 1 May 2020 13:22:38 +0000 From: Peng Fan <peng.fan@nxp.com> To: sbabic@denx.de, festevam@gmail.com, sjg@chromium.org Cc: ovpanait@gmail.com, patrick.delaunay@st.com, joe.hershberger@ni.com, uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan <peng.fan@nxp.com> Subject: [PATCH V2 5/9] cpu: imx8: reimplement get cpu count Date: Fri, 1 May 2020 21:44:14 +0800 Message-Id: <20200501134418.7319-5-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200501134418.7319-1-peng.fan@nxp.com> References: <20200501134418.7319-1-peng.fan@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; 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[V2,1/9] uclass: cpu: Add new API to get udevice for current CPU
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diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c index 95653683ac..7c54c290b8 100644 --- a/drivers/cpu/imx8_cpu.c +++ b/drivers/cpu/imx8_cpu.c @@ -118,7 +118,24 @@ static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info) static int cpu_imx_get_count(struct udevice *dev) { - return 4; + ofnode node; + int num = 0; + + ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) { + const char *device_type; + + if (!ofnode_is_available(node)) + continue; + + device_type = ofnode_read_string(node, "device_type"); + if (!device_type) + continue; + + if (!strcmp(device_type, "cpu")) + num++; + } + + return num; } static int cpu_imx_get_vendor(struct udevice *dev, char *buf, int size)