Add make_blksz api to support FSL eSDHC, because that FSL's eSDHC
don't have the standard BLOCK ATTR register, add this api to
configure the blksz properly.
Signed-off-by: Richard Zhu <r65037@xxxxxxxxxxxxx>
---
drivers/mmc/host/sdhci.c | 9 ++++++++-
drivers/mmc/host/sdhci.h | 1 +
2 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 2bfe738..e58939a 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -650,6 +650,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
{
u8 count;
u8 ctrl;
+ u16 blk_sz;
int ret;
WARN_ON(host->data);
@@ -809,7 +810,13 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
sdhci_set_transfer_irqs(host);
/* We do not handle DMA boundaries, so set it to max (512 KiB) */
- sdhci_writew(host, SDHCI_MAKE_BLKSZ(7, data->blksz), SDHCI_BLOCK_SIZE);
+ if (host->ops->make_blksz)
+ blk_sz = host->ops->make_blksz(data->blksz);
+ else
+ blk_sz = SDHCI_MAKE_BLKSZ(7, data->blksz);
+
+ sdhci_writew(host, blk_sz, SDHCI_BLOCK_SIZE);
+
sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT);
}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 029ab0e..37e9e3e 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -326,6 +326,7 @@ struct sdhci_ops {
unsigned int (*get_min_clock)(struct sdhci_host *host);
unsigned int (*get_timeout_clock)(struct sdhci_host *host);
unsigned int (*get_ro)(struct sdhci_host *host);
+ u16 (*make_blksz)(u16 blk_sz);
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
--
1.7.0
--
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