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9bbb4afff9
[ Upstream commit d8bb447efc5622577994287dc77c684fa8840b30 ]
isst_if_probe() uses pci_read_config_dword() that returns PCIBIOS_*
codes. The return code is returned from the probe function as is but
probe functions should return normal errnos. A proper implementation
can be found in drivers/leds/leds-ss4200.c.
Convert PCIBIOS_* return codes using pcibios_err_to_errno() into
normal errno before returning.
Fixes: d3a2358429 ("platform/x86: ISST: Add Intel Speed Select mmio interface")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20251117033354.132-1-vulab@iscas.ac.cn
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>