mmc: sdhci-pci: Convert PCIBIOS_* return codes to errnos

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From: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>

commit ebc4fc34eae8ddfbef49f2bdaced1bf4167ef80d upstream.

jmicron_pmos() and sdhci_pci_probe() use pci_{read,write}_config_byte()
that return PCIBIOS_* codes. The return code is then returned as is by
jmicron_probe() and sdhci_pci_probe(). Similarly, the return code is
also returned as is from jmicron_resume(). Both probe and resume
functions should return normal errnos.

Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
errno before returning them the fix these issues.

Fixes: 7582041ff3d4 ("mmc: sdhci-pci: fix simple_return.cocci warnings")
Fixes: 45211e215984 ("sdhci: toggle JMicron PMOS setting")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Link: https://lore.kernel.org/r/20240527132443.14038-1-ilpo.jarvinen@xxxxxxxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/mmc/host/sdhci-pci-core.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -1380,7 +1380,7 @@ static int jmicron_pmos(struct sdhci_pci
 
 	ret = pci_read_config_byte(chip->pdev, 0xAE, &scratch);
 	if (ret)
-		return ret;
+		goto fail;
 
 	/*
 	 * Turn PMOS on [bit 0], set over current detection to 2.4 V
@@ -1391,7 +1391,10 @@ static int jmicron_pmos(struct sdhci_pci
 	else
 		scratch &= ~0x47;
 
-	return pci_write_config_byte(chip->pdev, 0xAE, scratch);
+	ret = pci_write_config_byte(chip->pdev, 0xAE, scratch);
+
+fail:
+	return pcibios_err_to_errno(ret);
 }
 
 static int jmicron_probe(struct sdhci_pci_chip *chip)
@@ -2308,7 +2311,7 @@ static int sdhci_pci_probe(struct pci_de
 
 	ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots);
 	if (ret)
-		return ret;
+		return pcibios_err_to_errno(ret);
 
 	slots = PCI_SLOT_INFO_SLOTS(slots) + 1;
 	dev_dbg(&pdev->dev, "found %d slot(s)\n", slots);
@@ -2317,7 +2320,7 @@ static int sdhci_pci_probe(struct pci_de
 
 	ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &first_bar);
 	if (ret)
-		return ret;
+		return pcibios_err_to_errno(ret);
 
 	first_bar &= PCI_SLOT_INFO_FIRST_BAR_MASK;
 


Patches currently in stable-queue which might be from ilpo.jarvinen@xxxxxxxxxxxxxxx are

queue-5.10/mips-routerboard-532-fix-vendor-retry-check-code.patch
queue-5.10/mmc-sdhci-pci-convert-pcibios_-return-codes-to-errnos.patch




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