Message ID | 1596539906-4322-14-git-send-email-wasim.khan@nxp.com |
---|---|
State | Changes Requested |
Delegated to: | Priyanka Jain |
Headers | show
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Tue, 4 Aug 2020 11:19:08 +0000 From: Wasim Khan <wasim.khan@nxp.com> To: priyanka.jain@nxp.com, v.sethi@nxp.com, zhiqiang.hou@nxp.com Cc: u-boot@lists.denx.de, Wasim Khan <wasim.khan@nxp.com> Subject: [PATCH v2 12/12] pci: ls_pcie_g4: Add size check for config resource Date: Tue, 4 Aug 2020 16:48:26 +0530 Message-Id: <1596539906-4322-14-git-send-email-wasim.khan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596539906-4322-1-git-send-email-wasim.khan@nxp.com> References: <1596539906-4322-1-git-send-email-wasim.khan@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR06CA0181.apcprd06.prod.outlook.com (2603:1096:4:1::13) To VE1PR04MB6702.eurprd04.prod.outlook.com (2603:10a6:803:123::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03032.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR06CA0181.apcprd06.prod.outlook.com (2603:1096:4:1::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3239.16 via Frontend Transport; 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Series |
Add label to pcie nodes
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expand
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diff --git a/drivers/pci/pcie_layerscape_gen4.c b/drivers/pci/pcie_layerscape_gen4.c index 0226bde..6e71173 100644 --- a/drivers/pci/pcie_layerscape_gen4.c +++ b/drivers/pci/pcie_layerscape_gen4.c @@ -455,6 +455,7 @@ static int ls_pcie_g4_probe(struct udevice *dev) u32 link_ctrl_sta; u32 val; int ret; + fdt_size_t cfg_size; pcie->bus = dev; @@ -488,6 +489,13 @@ static int ls_pcie_g4_probe(struct udevice *dev) return ret; } + cfg_size = fdt_resource_size(&pcie->cfg_res); + if (cfg_size < SZ_4K) { + printf("PCIe%d: %s Invalid size(0x%llx) for resource \"config\",expected minimum 0x%x\n", + PCIE_SRDS_PRTCL(pcie->idx), dev->name, cfg_size, SZ_4K); + return 0; + } + pcie->cfg = map_physmem(pcie->cfg_res.start, fdt_resource_size(&pcie->cfg_res), MAP_NOCACHE);
resource "config" is required to have minimum 4KB space to access all config space of PCI Express EP. Signed-off-by: Wasim Khan <wasim.khan@nxp.com> --- Changes in V2: - Updated commit description - Fix CheckPatch issue - Change size check to 4KB to access PCIe config space drivers/pci/pcie_layerscape_gen4.c | 8 ++++++++ 1 file changed, 8 insertions(+)