linux-kernel - [PATCH v3 2/2] PCI: imx6: Correct the epc_features of IMX8MM_EP and IMX8MP

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Message-Id: <20250708091003.2582846-3-hongxing.zhu@nxp.com>
Date: Tue,  8 Jul 2025 17:10:03 +0800
From: Richard Zhu <hongxing.zhu@....com>
To: frank.li@....com,
	l.stach@...gutronix.de,
	lpieralisi@...nel.org,
	kwilczynski@...nel.org,
	mani@...nel.org,
	robh@...nel.org,
	bhelgaas@...gle.com,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com
Cc: linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Richard Zhu <hongxing.zhu@....com>,
	stable@...r.kernel.org,
	Frank Li <Frank.Li@....com>
Subject: [PATCH v3 2/2] PCI: imx6: Correct the epc_features of IMX8MM_EP and IMX8MP_EP

For IMX8MM_EP and IMX8MP_EP, add fixed 256-byte BAR 4 and reserved BAR 5
in imx8m_pcie_epc_features.

Fixes: 75c2f26da03f ("PCI: imx6: Add i.MX PCIe EP mode support")
Cc: stable@...r.kernel.org
Signed-off-by: Richard Zhu <hongxing.zhu@....com>
Reviewed-by: Frank Li <Frank.Li@....com>
---
 drivers/pci/controller/dwc/pci-imx6.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 7d15bcb7c107..9754cc6e09b9 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1385,6 +1385,8 @@ static const struct pci_epc_features imx8m_pcie_epc_features = {
 	.msix_capable = false,
 	.bar[BAR_1] = { .type = BAR_RESERVED, },
 	.bar[BAR_3] = { .type = BAR_RESERVED, },
+	.bar[BAR_4] = { .type = BAR_FIXED, .fixed_size = SZ_256, },
+	.bar[BAR_5] = { .type = BAR_RESERVED, },
 	.align = SZ_64K,
 };
 
-- 
2.37.1