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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2014-09-08 23:44:51 -0700
committerUlf Hansson <ulf.hansson@linaro.org>2014-09-09 14:10:42 +0200
commitafd8c29d254d7fddbae454f217fa5facefe8f5b0 (patch)
tree96775485444919d67f47e07da95e187b04bf96a5 /drivers/mmc/host/omap_hsmmc.c
parentb7574bad80f773dcc4c17950181cde9fb6701501 (diff)
downloadlinux-afd8c29d254d7fddbae454f217fa5facefe8f5b0.tar.bz2
mmc: use .multi_io_quirk on omap_hsmmc
Now, omap_hsmmc can use .multi_io_quirk callback instead of MMC_CAP2_NO_MULTI_READ flags. let's use it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c14
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);