On 5 November 2014 07:09, Vincent Wan <vincent.wan@xxxxxxx> wrote:
> This patch is to enable the quirk for AMD sdhci requiring transfer
> mode register need to be cleared for commands without data
>
> Signed-off-by: Vincent Wan <vincent.wan@xxxxxxx>
> Signed-off-by: Wan Zongshun <mcuos.com@xxxxxxxxx>
Thanks! Applied for next.
Kind regards
Uffe
> ---
> drivers/mmc/host/sdhci-pci.c | 27 ++++++++++++++++++++++++++-
> 1 file changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
> index c25639b..5a77f18 100644
> --- a/drivers/mmc/host/sdhci-pci.c
> +++ b/drivers/mmc/host/sdhci-pci.c
> @@ -645,6 +645,23 @@ static const struct sdhci_pci_fixes sdhci_rtsx = {
> .probe_slot = rtsx_probe_slot,
> };
>
> +static int amd_probe(struct sdhci_pci_chip *chip)
> +{
> + struct pci_dev *smbus_dev;
> +
> + smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
> + PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
> +
> + if (smbus_dev && (smbus_dev->revision < 0x51))
> + chip->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD;
> +
> + return 0;
> +}
> +
> +static const struct sdhci_pci_fixes sdhci_amd = {
> + .probe = amd_probe,
> +};
> +
> static const struct pci_device_id pci_ids[] = {
> {
> .vendor = PCI_VENDOR_ID_RICOH,
> @@ -1044,7 +1061,15 @@ static const struct pci_device_id pci_ids[] = {
> .subdevice = PCI_ANY_ID,
> .driver_data = (kernel_ulong_t)&sdhci_o2,
> },
> -
> + {
> + .vendor = PCI_VENDOR_ID_AMD,
> + .device = PCI_ANY_ID,
> + .class = PCI_CLASS_SYSTEM_SDHCI << 8,
> + .class_mask = 0xFFFF00,
> + .subvendor = PCI_ANY_ID,
> + .subdevice = PCI_ANY_ID,
> + .driver_data = (kernel_ulong_t)&sdhci_amd,
> + },
> { /* Generic SD host controller */
> PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
> },
> --
> 1.8.1.2
>
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