diff options
Diffstat (limited to 'drivers/spi/spi-mux.c')
| -rw-r--r-- | drivers/spi/spi-mux.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c index 0709e987bd5a..0eb35c4e3987 100644 --- a/drivers/spi/spi-mux.c +++ b/drivers/spi/spi-mux.c @@ -51,24 +51,24 @@ static int spi_mux_select(struct spi_device *spi) struct spi_mux_priv *priv = spi_controller_get_devdata(spi->controller); int ret; - ret = mux_control_select(priv->mux, spi->chip_select); + ret = mux_control_select(priv->mux, spi_get_chipselect(spi, 0)); if (ret) return ret; - if (priv->current_cs == spi->chip_select) + if (priv->current_cs == spi_get_chipselect(spi, 0)) return 0; dev_dbg(&priv->spi->dev, "setting up the mux for cs %d\n", - spi->chip_select); + spi_get_chipselect(spi, 0)); /* copy the child device's settings except for the cs */ priv->spi->max_speed_hz = spi->max_speed_hz; priv->spi->mode = spi->mode; priv->spi->bits_per_word = spi->bits_per_word; - priv->current_cs = spi->chip_select; + priv->current_cs = spi_get_chipselect(spi, 0); - return 0; + return spi_setup(priv->spi); } static int spi_mux_setup(struct spi_device *spi) @@ -129,7 +129,7 @@ static int spi_mux_probe(struct spi_device *spi) struct spi_mux_priv *priv; int ret; - ctlr = spi_alloc_master(&spi->dev, sizeof(*priv)); + ctlr = spi_alloc_host(&spi->dev, sizeof(*priv)); if (!ctlr) return -ENOMEM; @@ -156,12 +156,14 @@ static int spi_mux_probe(struct spi_device *spi) /* supported modes are the same as our parent's */ ctlr->mode_bits = spi->controller->mode_bits; ctlr->flags = spi->controller->flags; + ctlr->bits_per_word_mask = spi->controller->bits_per_word_mask; ctlr->transfer_one_message = spi_mux_transfer_one_message; ctlr->setup = spi_mux_setup; ctlr->num_chipselect = mux_control_states(priv->mux); ctlr->bus_num = -1; ctlr->dev.of_node = spi->dev.of_node; ctlr->must_async = true; + ctlr->defer_optimize_message = true; ret = devm_spi_register_controller(&spi->dev, ctlr); if (ret) |