From: Raja Mani <rmani@xxxxxxxxxxxxxxxx> No need to copy received local buffer content to bounce buffer (DMA buffer) while performing sync READ operation from the chip. It's applicable for only WRITE operation. Signed-off-by: Raja Mani <rmani@xxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath6kl/sdio.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 346f5dd..e2f42a1 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -405,7 +405,10 @@ static int ath6kl_sdio_read_write_sync(struct ath6kl *ar, u32 addr, u8 *buf, return -ENOMEM; mutex_lock(&ar_sdio->dma_buffer_mutex); tbuf = ar_sdio->dma_buffer; - memcpy(tbuf, buf, len); + + if (request & HIF_WRITE) + memcpy(tbuf, buf, len); + bounced = true; } else tbuf = buf; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
