straight copy from Linux didn't worked because the macro SDHCI_DMA_BOUNDARY_512K (default value of sdhci::sdma_boundary) is not a size but the enum value to be written in the transfer control register.
Signed-off-by: Jules Maselbas <[email protected]> --- drivers/mci/sdhci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mci/sdhci.c b/drivers/mci/sdhci.c index 4c8e73d94d..b0b83bfaa9 100644 --- a/drivers/mci/sdhci.c +++ b/drivers/mci/sdhci.c @@ -289,8 +289,10 @@ int sdhci_transfer_data_dma(struct sdhci *sdhci, struct mci_data *data, * some controllers are faulty, don't trust them. */ if (irqstat & SDHCI_INT_DMA) { + int boundary_cfg = (sdhci->sdma_boundary >> 12) & 0x7; + dma_addr_t boundary_size = 4096 << boundary_cfg; /* Force update to the next DMA block boundary. */ - dma += sdhci->sdma_boundary; + dma = (dma & ~(boundary_size - 1)) + boundary_size; /* * DMA engine has stopped on buffer boundary. Acknowledge -- 2.17.1
