fpga: zynq-fpga: Change fw format to handle bin instead of bit.
authorMoritz Fischer <moritz.fischer@ettus.com>
Tue, 20 Oct 2015 17:19:56 +0000 (10:19 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 23 Oct 2015 23:49:12 +0000 (16:49 -0700)
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 <moritz.fischer@ettus.com>
Reviewed-by: Josh Cartwright <joshc@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/fpga/zynq-fpga.c

index 617d382..31db550 100644 (file)
@@ -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)