diff options
| -rw-r--r-- | drivers/mmc/host/mmci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 032b84791a1..2ad77daff3c 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -56,6 +56,7 @@ static unsigned int fmax = 515633; * @blksz_datactrl16: true if Block size is at b16..b30 position in datactrl register * @pwrreg_powerup: power up value for MMCIPOWER register * @signal_direction: input/out direction of bus signals can be indicated + * @non_power_of_2_blksize: true if block sizes can be other than power of two */ struct variant_data { unsigned int clkreg; @@ -68,6 +69,7 @@ struct variant_data { bool blksz_datactrl16; u32 pwrreg_powerup; bool signal_direction; + bool non_power_of_2_blksize; }; static struct variant_data variant_arm = { @@ -117,6 +119,7 @@ static struct variant_data variant_ux500v2 = { .blksz_datactrl16 = true, .pwrreg_powerup = MCI_PWR_ON, .signal_direction = true, + .non_power_of_2_blksize = true, }; /* @@ -629,7 +632,6 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) writel(host->size, base + MMCIDATALENGTH); blksz_bits = ffs(data->blksz) - 1; - BUG_ON(1 << blksz_bits != data->blksz); if (variant->blksz_datactrl16) datactrl = MCI_DPSM_ENABLE | (data->blksz << 16); @@ -1031,11 +1033,14 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) { struct mmci_host *host = mmc_priv(mmc); + struct variant_data *variant = host->variant; unsigned long flags; WARN_ON(host->mrq != NULL); - if (mrq->data && !is_power_of_2(mrq->data->blksz)) { + if (mrq->data && + !variant->non_power_of_2_blksize && + !is_power_of_2(mrq->data->blksz)) { dev_err(mmc_dev(mmc), "unsupported block size (%d bytes)\n", mrq->data->blksz); mrq->cmd->error = -EINVAL; |