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

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[ Upstream commit 7821fa101e ]

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: 4618441536 ("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>
This commit is contained in:
Ilpo Järvinen 2024-05-27 15:55:38 +03:00 committed by Greg Kroah-Hartman
parent 010441f083
commit 685976438b
1 changed files with 2 additions and 2 deletions
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4
arch/x86/platform/intel/iosf_mbi.c
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@ -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)