linux-kernel - [PATCH] PCI: mediatek: Update entries to distinguish MediaTek PCIe controller

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Message-ID: <20220326032708.3626-1-jianjun.wang@mediatek.com>
Date:   Sat, 26 Mar 2022 11:27:08 +0800
From:   Jianjun Wang <jianjun.wang@...iatek.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
CC:     Ryder Lee <ryder.lee@...iatek.com>,
        Jianjun Wang <jianjun.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] PCI: mediatek: Update entries to distinguish MediaTek PCIe controller

Add model numbers in Kconfig and update driver name in
pcie-mediatek-gen3.c to distinguish the MediaTek PCIe controllers.

Signed-off-by: Jianjun Wang <jianjun.wang@...iatek.com>
---
 drivers/pci/controller/Kconfig              | 11 +++++++----
 drivers/pci/controller/pcie-mediatek-gen3.c | 12 ++++++------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 601f2531ee91..dd7a2caf8da9 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -237,8 +237,11 @@ config PCIE_MEDIATEK
 	depends on OF
 	depends on PCI_MSI_IRQ_DOMAIN
 	help
-	  Say Y here if you want to enable PCIe controller support on
-	  MediaTek SoCs.
+	  Adds support for PCIe MAC controller for MediaTek SoCs.
+
+	  The following SoCs are supported for this PCIe controller:
+	  MT2701 and MT7623 with no MSI supported.
+	  MT2712, MT7622 and MT7629 support up to 32 MSI interrupt numbers.
 
 config PCIE_MEDIATEK_GEN3
 	tristate "MediaTek Gen3 PCIe controller"
@@ -250,8 +253,8 @@ config PCIE_MEDIATEK_GEN3
 	  and support up to 256 MSI interrupt numbers for
 	  multi-function devices.
 
-	  Say Y here if you want to enable Gen3 PCIe controller support on
-	  MediaTek SoCs.
+	  The following SoCs are supported for this PCIe controller:
+	  MT8192 and MT8195.
 
 config VMD
 	depends on PCI_MSI && X86_64 && SRCU && !UML
diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c
index 7705d61fba4c..6745076a02b9 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -1011,21 +1011,21 @@ static const struct dev_pm_ops mtk_pcie_pm_ops = {
 				      mtk_pcie_resume_noirq)
 };
 
-static const struct of_device_id mtk_pcie_of_match[] = {
+static const struct of_device_id mtk_pcie_gen3_of_match[] = {
 	{ .compatible = "mediatek,mt8192-pcie" },
 	{},
 };
-MODULE_DEVICE_TABLE(of, mtk_pcie_of_match);
+MODULE_DEVICE_TABLE(of, mtk_pcie_gen3_of_match);
 
-static struct platform_driver mtk_pcie_driver = {
+static struct platform_driver mtk_pcie_driver_gen3 = {
 	.probe = mtk_pcie_probe,
 	.remove = mtk_pcie_remove,
 	.driver = {
-		.name = "mtk-pcie",
-		.of_match_table = mtk_pcie_of_match,
+		.name = "mtk-pcie-gen3",
+		.of_match_table = mtk_pcie_gen3_of_match,
 		.pm = &mtk_pcie_pm_ops,
 	},
 };
 
-module_platform_driver(mtk_pcie_driver);
+module_platform_driver(mtk_pcie_driver_gen3);
 MODULE_LICENSE("GPL v2");
-- 
2.18.0