1 files changed, 4 insertions, 12 deletions

diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index 85e61f451218..2a5abc08e857 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -188,12 +188,6 @@ int spi_bitbang_setup(struct spi_device *spi)
 
         bitbang = spi_master_get_devdata(spi->master);
 
-        /* Bitbangers can support SPI_CS_HIGH, SPI_3WIRE, and so on;
-         * add those to master->flags, and provide the other support.
-         */
-        if ((spi->mode & ~(SPI_CPOL|SPI_CPHA|bitbang->flags)) != 0)
-                return -EINVAL;
-
         if (!cs) {
                 cs = kzalloc(sizeof *cs, GFP_KERNEL);
                 if (!cs)
@@ -201,9 +195,6 @@ int spi_bitbang_setup(struct spi_device *spi)
                 spi->controller_state = cs;
         }
 
-        if (!spi->bits_per_word)
-                spi->bits_per_word = 8;
-
         /* per-word shift register access, in hardware or bitbanging */
         cs->txrx_word = bitbang->txrx_word[spi->mode & (SPI_CPOL|SPI_CPHA)];
         if (!cs->txrx_word)
@@ -213,9 +204,7 @@ int spi_bitbang_setup(struct spi_device *spi)
         if (retval < 0)
                 return retval;
 
-        dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n",
-                        __func__, spi->mode & (SPI_CPOL | SPI_CPHA),
-                        spi->bits_per_word, 2 * cs->nsecs);
+        dev_dbg(&spi->dev, "%s, %u nsec/bit\n", __func__, 2 * cs->nsecs);
 
         /* NOTE we _need_ to call chipselect() early, ideally with adapter
          * setup, unless the hardware defaults cooperate to avoid confusion
@@ -457,6 +446,9 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
         spin_lock_init(&bitbang->lock);
         INIT_LIST_HEAD(&bitbang->queue);
 
+        if (!bitbang->master->mode_bits)
+                bitbang->master->mode_bits = SPI_CPOL | SPI_CPHA | bitbang->flags;
+
         if (!bitbang->master->transfer)
                 bitbang->master->transfer = spi_bitbang_transfer;
         if (!bitbang->txrx_bufs) {