target/linux/lantiq/patches-3.8/0003-SPI-MIPS-lantiq-set-SPI_MASTER_HALF_DUPLEX-flag.patch

   1 From a50f7db5b527c317c4bf2ae44a4ccdc8c7e598ab Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Tue, 29 Jan 2013 21:26:39 +0100
   4 Subject: [PATCH 03/40] SPI: MIPS: lantiq: set SPI_MASTER_HALF_DUPLEX flag
   5
   6 Due to hardware limitations of the spi/flash frontend of the EBU we need to set
   7 the SPI_MASTER_HALF_DUPLEX flag.
   8
   9 Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
  10 Signed-off-by: John Crispin <blogic@openwrt.org>
  11 ---
  12  drivers/spi/spi-falcon.c |    1 +
  13  1 file changed, 1 insertion(+)
  14
  15 --- a/drivers/spi/spi-falcon.c
  16 +++ b/drivers/spi/spi-falcon.c
  17 @@ -423,6 +423,7 @@ static int falcon_sflash_probe(struct pl
  18
  19         master->mode_bits = SPI_MODE_3;
  20         master->num_chipselect = 1;
  21 +       master->flags = SPI_MASTER_HALF_DUPLEX;
  22         master->bus_num = -1;
  23         master->setup = falcon_sflash_setup;
  24         master->prepare_transfer_hardware = falcon_sflash_prepare_xfer;