linux-kernel - [PATCH 5.16 0786/1039] PCI: aardvark: Fix checking for MEM resource type

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Date:   Mon, 24 Jan 2022 19:42:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Pali Rohár <pali@...nel.org>,
        Marek Behún <kabel@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0786/1039] PCI: aardvark: Fix checking for MEM resource type

From: Pali Rohár <pali@...nel.org>

[ Upstream commit 2070b2ddea89f5b604fac3d27ade5cb6d19a5706 ]

IORESOURCE_MEM_64 is not a resource type but a type flag.

Remove incorrect check for type IORESOURCE_MEM_64.

Link: https://lore.kernel.org/r/20211125160148.26029-2-kabel@kernel.org
Fixes: 64f160e19e92 ("PCI: aardvark: Configure PCIe resources from 'ranges' DT property")
Signed-off-by: Pali Rohár <pali@...nel.org>
Signed-off-by: Marek Behún <kabel@...nel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/controller/pci-aardvark.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index c3b725afa11fd..e3001b3b32930 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1535,8 +1535,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
 		 * only PIO for issuing configuration transfers which does
 		 * not use PCIe window configuration.
 		 */
-		if (type != IORESOURCE_MEM && type != IORESOURCE_MEM_64 &&
-		    type != IORESOURCE_IO)
+		if (type != IORESOURCE_MEM && type != IORESOURCE_IO)
 			continue;
 
 		/*
@@ -1544,8 +1543,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
 		 * configuration is set to transparent memory access so it
 		 * does not need window configuration.
 		 */
-		if ((type == IORESOURCE_MEM || type == IORESOURCE_MEM_64) &&
-		    entry->offset == 0)
+		if (type == IORESOURCE_MEM && entry->offset == 0)
 			continue;
 
 		/*
-- 
2.34.1