diff options
Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index ece163493a54..df27bb4fc098 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1829,7 +1829,17 @@ static int omap_hsmmc_disable_fclk(struct mmc_host *mmc) return 0; } -static const struct mmc_host_ops omap_hsmmc_ops = { +static int omap_hsmmc_multi_io_quirk(struct mmc_card *card, + unsigned int direction, int blk_size) +{ + /* This controller can't do multiblock reads due to hw bugs */ + if (direction == MMC_DATA_READ) + return 1; + + return blk_size; +} + +static struct mmc_host_ops omap_hsmmc_ops = { .enable = omap_hsmmc_enable_fclk, .disable = omap_hsmmc_disable_fclk, .post_req = omap_hsmmc_post_req, @@ -2101,7 +2111,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev) if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) { dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n"); - mmc->caps2 |= MMC_CAP2_NO_MULTI_READ; + omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; } pm_runtime_enable(host->dev); |