[PATCH v2] mmc: sdhci-pci: SDIO host controller support for Intel Quark X1000

From: Chen, Alvin
Date: Tue Jun 24 2014 - 02:02:17 EST


From: Derek Browne <Derek.Browne@xxxxxxxxx>

This patch is to enable SDIO host controller for Intel Quark X1000.

Signed-off-by: Derek Browne <Derek.Browne@xxxxxxxxx>
Signed-off-by: Alvin (Weike) Chen <alvin.chen@xxxxxxxxx>
---
changelog v2:
*Delete '#define PCI_DEVICE_ID_INTEL_QUARK_ILB 0x095E' from 'include/linux/pci_ids.h'.
*Move '#define PCI_DEVICE_ID_INTEL_QRK_SD 0x08A7' from 'include/linux/pci_ids.h'
to 'driver/mmc/host/sdhci-pci.h'.
*Update the subject and description.

drivers/mmc/host/sdhci-pci.c | 12 ++++++++++++
drivers/mmc/host/sdhci-pci.h | 1 +
2 files changed, 13 insertions(+)

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 52c42fc..1aeeefc 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -103,6 +103,10 @@ static const struct sdhci_pci_fixes sdhci_cafe = {
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
};

+static const struct sdhci_pci_fixes sdhci_intel_qrk = {
+ .quirks = SDHCI_QUIRK_NO_HISPD_BIT,
+};
+
static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA;
@@ -753,6 +757,14 @@ static const struct pci_device_id pci_ids[] = {

{
.vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_QRK_SD,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_qrk,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MRST_SD0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index 6d71871..c101477 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -17,6 +17,7 @@
#define PCI_DEVICE_ID_INTEL_CLV_SDIO2 0x08fb
#define PCI_DEVICE_ID_INTEL_CLV_EMMC0 0x08e5
#define PCI_DEVICE_ID_INTEL_CLV_EMMC1 0x08e6
+#define PCI_DEVICE_ID_INTEL_QRK_SD 0x08A7

/*
* PCI registers
--
1.7.9.5

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