Patch "x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     x86-platform-iosf_mbi-convert-pcibios_-return-codes-.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6d8ff116d67968b470105ea3a17c6df92db06ce4
Author: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Date:   Mon May 27 15:55:38 2024 +0300

    x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos
    
    [ Upstream commit 7821fa101eab529521aa4b724bf708149d70820c ]
    
    iosf_mbi_pci_{read,write}_mdr() use pci_{read,write}_config_dword()
    that return PCIBIOS_* codes but functions also return -ENODEV which are
    not compatible error codes. As neither of the functions are related to
    PCI read/write functions, they should return normal errnos.
    
    Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
    errno before returning it.
    
    Fixes: 46184415368a ("arch: x86: New MailBox support driver for Intel SOC's")
    Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
    Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20240527125538.13620-4-ilpo.jarvinen@xxxxxxxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c
index fdd49d70b4373..c81cea208c2c4 100644
--- a/arch/x86/platform/intel/iosf_mbi.c
+++ b/arch/x86/platform/intel/iosf_mbi.c
@@ -62,7 +62,7 @@ static int iosf_mbi_pci_read_mdr(u32 mcrx, u32 mcr, u32 *mdr)
 
 fail_read:
 	dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result);
-	return result;
+	return pcibios_err_to_errno(result);
 }
 
 static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr)
@@ -91,7 +91,7 @@ static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr)
 
 fail_write:
 	dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result);
-	return result;
+	return pcibios_err_to_errno(result);
 }
 
 int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr)




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