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@@ -32,9 +32,39 @@ static unsigned int debug_nodma = 0;
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static unsigned int debug_forcedma = 0;
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static unsigned int debug_quirks = 0;
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+#define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0)
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+#define SDHCI_QUIRK_FORCE_DMA (1<<1)
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+
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static const struct pci_device_id pci_ids[] __devinitdata = {
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- /* handle any SD host controller */
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- {PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)},
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+ {
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+ .vendor = PCI_VENDOR_ID_RICOH,
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+ .device = PCI_DEVICE_ID_RICOH_R5C822,
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+ .subvendor = PCI_VENDOR_ID_IBM,
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+ .subdevice = PCI_ANY_ID,
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+ .driver_data = SDHCI_QUIRK_CLOCK_BEFORE_RESET |
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+ SDHCI_QUIRK_FORCE_DMA,
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+ },
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+
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+ {
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+ .vendor = PCI_VENDOR_ID_RICOH,
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+ .device = PCI_DEVICE_ID_RICOH_R5C822,
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+ .subvendor = PCI_ANY_ID,
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+ .subdevice = PCI_ANY_ID,
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+ .driver_data = SDHCI_QUIRK_FORCE_DMA,
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+ },
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+
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+ {
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+ .vendor = PCI_VENDOR_ID_TI,
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+ .device = PCI_DEVICE_ID_TI_XX21_XX11_SD,
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+ .subvendor = PCI_ANY_ID,
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+ .subdevice = PCI_ANY_ID,
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+ .driver_data = SDHCI_QUIRK_FORCE_DMA,
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+ },
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+
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+ { /* Generic SD host controller */
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+ PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
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+ },
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+
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{ /* end: all zeroes */ },
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};
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@@ -440,9 +470,7 @@ static void sdhci_finish_data(struct sdhci_host *host)
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"though there were blocks left. Please report this "
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"to " BUGMAIL ".\n", mmc_hostname(host->mmc));
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data->error = MMC_ERR_FAILED;
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- }
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-
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- if (host->size != 0) {
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+ } else if (host->size != 0) {
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printk(KERN_ERR "%s: %d bytes were left untransferred. "
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"Please report this to " BUGMAIL ".\n",
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mmc_hostname(host->mmc), host->size);
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@@ -808,6 +836,19 @@ static void sdhci_tasklet_finish(unsigned long param)
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if ((mrq->cmd->error != MMC_ERR_NONE) ||
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(mrq->data && ((mrq->data->error != MMC_ERR_NONE) ||
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(mrq->data->stop && (mrq->data->stop->error != MMC_ERR_NONE))))) {
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+
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+ /* Some controllers need this kick or reset won't work here */
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+ if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
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+ unsigned int clock;
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+
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+ /* This is to force an update */
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+ clock = host->clock;
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+ host->clock = 0;
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+ sdhci_set_clock(host, clock);
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+ }
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+
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+ /* Spec says we should do both at the same time, but Ricoh
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+ controllers do not like that. */
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sdhci_reset(host, SDHCI_RESET_CMD);
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sdhci_reset(host, SDHCI_RESET_DATA);
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}
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@@ -1165,7 +1206,9 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
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else if (debug_forcedma) {
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DBG("DMA forced on\n");
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host->flags |= SDHCI_USE_DMA;
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- } else if ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA)
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+ } else if (chip->quirks & SDHCI_QUIRK_FORCE_DMA)
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+ host->flags |= SDHCI_USE_DMA;
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+ else if ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA)
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DBG("Controller doesn't have DMA interface\n");
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else if (!(caps & SDHCI_CAN_DO_DMA))
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DBG("Controller doesn't have DMA capability\n");
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