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mmc: sdhci: Add quirk for always getting TC with stop cmd
Add a quirk for a host controller that always sets a Transfer Complete interrupt status for the stop command even when a busy response is not indicated. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -2225,7 +2225,7 @@ static void sdhci_tuning_timer(unsigned long data)
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* *
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\*****************************************************************************/
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static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
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static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *mask)
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{
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BUG_ON(intmask == 0);
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@ -2272,6 +2272,9 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
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/* The controller does not support the end-of-busy IRQ,
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* fall through and take the SDHCI_INT_RESPONSE */
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} else if ((host->quirks2 & SDHCI_QUIRK2_STOP_WITH_TC) &&
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host->cmd->opcode == MMC_STOP_TRANSMISSION && !host->data) {
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*mask &= ~SDHCI_INT_DATA_END;
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}
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if (intmask & SDHCI_INT_RESPONSE)
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@ -2481,7 +2484,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
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}
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if (intmask & SDHCI_INT_CMD_MASK)
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sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
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sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK,
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&intmask);
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if (intmask & SDHCI_INT_DATA_MASK)
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sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
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@ -98,6 +98,8 @@ struct sdhci_host {
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#define SDHCI_QUIRK2_BROKEN_HS200 (1<<6)
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/* Controller does not support DDR50 */
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#define SDHCI_QUIRK2_BROKEN_DDR50 (1<<7)
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/* Stop command (CMD12) can set Transfer Complete when not using MMC_RSP_BUSY */
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#define SDHCI_QUIRK2_STOP_WITH_TC (1<<8)
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int irq; /* Device IRQ */
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void __iomem *ioaddr; /* Mapped address */
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