5.4-stable review patch. If anyone has any objections, please let me know.
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From: Edson Juliano Drosdeck edson.drosdeck@gmail.com
commit 50c78f398e92fafa1cbba3469c95fe04b2e4206d upstream.
Disable command queuing on Intel GLK-based Positivo models.
Without this quirk, CQE (Command Queuing Engine) causes instability or I/O errors during operation. Disabling it ensures stable operation on affected devices.
Signed-off-by: Edson Juliano Drosdeck edson.drosdeck@gmail.com Fixes: bedf9fc01ff1 ("mmc: sdhci: Workaround broken command queuing on Intel GLK") Cc: stable@vger.kernel.org Acked-by: Adrian Hunter adrian.hunter@intel.com Link: https://lore.kernel.org/r/20250626112442.9791-1-edson.drosdeck@gmail.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/host/sdhci-pci-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -972,7 +972,8 @@ static bool glk_broken_cqhci(struct sdhc { return slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_EMMC && (dmi_match(DMI_BIOS_VENDOR, "LENOVO") || - dmi_match(DMI_SYS_VENDOR, "IRBIS")); + dmi_match(DMI_SYS_VENDOR, "IRBIS") || + dmi_match(DMI_SYS_VENDOR, "Positivo Tecnologia SA")); }
static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot)