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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2024-05-27 15:55:38 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-08-03 08:53:21 +0200
commitc8a36455a0fb79fa92d1f5d8e158ca31348f4788 (patch)
treea3185e4a2acd555d51acc25e4259271f398150be
parent56d4e76223aacf16c9e06117f8a8fda1602dc43a (diff)
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@linux.intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240527125538.13620-4-ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--arch/x86/platform/intel/iosf_mbi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c
index fdd49d70b437..c81cea208c2c 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)