diff --git a/[refs] b/[refs] index 439f9667c393..d780b1e510fe 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: c288b85554097a3d1271f935c48b442280b2db9e +refs/heads/master: 30652aa36b58d57fcc1a0acce51e391bbb6edf5e diff --git a/trunk/drivers/mmc/host/sdhci.c b/trunk/drivers/mmc/host/sdhci.c index d5febe584b05..9e15f41f87be 100644 --- a/trunk/drivers/mmc/host/sdhci.c +++ b/trunk/drivers/mmc/host/sdhci.c @@ -1949,10 +1949,14 @@ int sdhci_add_host(struct sdhci_host *host) * of bytes. When doing hardware scatter/gather, each entry cannot * be larger than 64 KiB though. */ - if (host->flags & SDHCI_USE_ADMA) - mmc->max_seg_size = 65536; - else + if (host->flags & SDHCI_USE_ADMA) { + if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC) + mmc->max_seg_size = 65535; + else + mmc->max_seg_size = 65536; + } else { mmc->max_seg_size = mmc->max_req_size; + } /* * Maximum block size. This varies from controller to controller and diff --git a/trunk/include/linux/mmc/sdhci.h b/trunk/include/linux/mmc/sdhci.h index 0d953f513d81..83bd9f76709a 100644 --- a/trunk/include/linux/mmc/sdhci.h +++ b/trunk/include/linux/mmc/sdhci.h @@ -83,6 +83,8 @@ struct sdhci_host { #define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28) /* Controller doesn't have HISPD bit field in HI-SPEED SD card */ #define SDHCI_QUIRK_NO_HISPD_BIT (1<<29) +/* Controller treats ADMA descriptors with length 0000h incorrectly */ +#define SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC (1<<30) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */