diff options
Diffstat (limited to 'drivers/mmc/arm_pl180_mmci.c')
| -rw-r--r-- | drivers/mmc/arm_pl180_mmci.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c index 2666b65..cecc7ad 100644 --- a/drivers/mmc/arm_pl180_mmci.c +++ b/drivers/mmc/arm_pl180_mmci.c @@ -229,6 +229,7 @@ static int do_data_transfer(struct mmc *dev, u32 blksz = 0; u32 data_ctrl = 0; u32 data_len = (u32) (data->blocks * data->blocksize); + assert(data_len < U16_MAX); /* should be ensured by arm_pl180_get_b_max */ if (!host->version2) { blksz = (ffs(data->blocksize) - 1); @@ -356,6 +357,14 @@ static int host_set_ios(struct mmc *dev) return 0; } +static int arm_pl180_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct mmc *mmc = upriv->mmc; + + return U16_MAX / mmc->read_bl_len; +} + static void arm_pl180_mmc_init(struct pl180_mmc_host *host) { u32 sdi_u32; @@ -470,6 +479,7 @@ static const struct dm_mmc_ops arm_pl180_dm_mmc_ops = { .send_cmd = dm_host_request, .set_ios = dm_host_set_ios, .get_cd = dm_mmc_getcd, + .get_b_max = arm_pl180_get_b_max, }; static int arm_pl180_mmc_of_to_plat(struct udevice *dev) |