This gets rid of the code to strip away the header and byteswap, as well as the check for the sync word.
Signed-off-by: Moritz Fischer <[email protected]> --- v2: - Removed early exit path in case synq seq is not found --- drivers/fpga/zynq-fpga.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c index 617d382..31db550 100644 --- a/drivers/fpga/zynq-fpga.c +++ b/drivers/fpga/zynq-fpga.c @@ -287,9 +287,9 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr, struct zynq_fpga_priv *priv; int err; char *kbuf; - size_t i, in_count; + size_t in_count; dma_addr_t dma_addr; - u32 transfer_length = 0; + u32 transfer_length; u32 intr_status; in_count = count; @@ -301,26 +301,6 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr, memcpy(kbuf, buf, count); - /* look for the sync word */ - for (i = 0; i < count - 4; i++) { - if (memcmp(kbuf + i, "\xAA\x99\x55\x66", 4) == 0) { - dev_dbg(priv->dev, "Found swapped sync word\n"); - break; - } - } - - /* remove the header, align the data on word boundary */ - if (i != count - 4) { - count -= i; - memmove(kbuf, kbuf + i, count); - } - - /* fixup endianness of the data */ - for (i = 0; i < count; i += 4) { - u32 *p = (u32 *)&kbuf[i]; - *p = swab32(*p); - } - /* enable clock */ err = clk_enable(priv->clk); if (err) -- 2.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
