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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
  sdhci: Add NO_BUSY_IRQ quirk for Marvell CAFE host chip
  sdhci: Add quirk for controllers with no end-of-busy IRQ
This commit is contained in:
Linus Torvalds 2009-03-02 15:48:00 -08:00
parent bd5e89c813 a0874897b1
commit d86a1c3de5
3 changed files with 7 additions and 1 deletions
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1
drivers/mmc/host/sdhci-pci.c
View file

@ -107,6 +107,7 @@ static const struct sdhci_pci_fixes sdhci_ene_714 = {
static const struct sdhci_pci_fixes sdhci_cafe = {
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
SDHCI_QUIRK_NO_BUSY_IRQ |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
};

5
drivers/mmc/host/sdhci.c
View file

@ -1291,8 +1291,11 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
if (host->cmd->data)
DBG("Cannot wait for busy signal when also "
"doing a data transfer");
else
else if (!(host->quirks & SDHCI_QUIRK_NO_BUSY_IRQ))
return;
/* The controller does not support the end-of-busy IRQ,
* fall through and take the SDHCI_INT_RESPONSE */
}
if (intmask & SDHCI_INT_RESPONSE)

2
drivers/mmc/host/sdhci.h
View file

@ -208,6 +208,8 @@ struct sdhci_host {
#define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL (1<<12)
/* Controller has an issue with buffer bits for small transfers */
#define SDHCI_QUIRK_BROKEN_SMALL_PIO (1<<13)
/* Controller does not provide transfer-complete interrupt when not busy */
#define SDHCI_QUIRK_NO_BUSY_IRQ (1<<14)
int irq; /* Device IRQ */
void __iomem * ioaddr; /* Mapped address */