diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /drivers/spi/spi-mpc52xx.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'drivers/spi/spi-mpc52xx.c')
| -rw-r--r-- | drivers/spi/spi-mpc52xx.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c index 7c675fe8310..b07db4b62d8 100644 --- a/drivers/spi/spi-mpc52xx.c +++ b/drivers/spi/spi-mpc52xx.c @@ -12,7 +12,6 @@ */ #include <linux/module.h> -#include <linux/init.h> #include <linux/errno.h> #include <linux/of_platform.h> #include <linux/interrupt.h> @@ -235,7 +234,8 @@ static int mpc52xx_spi_fsmstate_transfer(int irq, struct mpc52xx_spi *ms, dev_err(&ms->master->dev, "mode fault\n"); mpc52xx_spi_chipsel(ms, 0); ms->message->status = -EIO; - ms->message->complete(ms->message->context); + if (ms->message->complete) + ms->message->complete(ms->message->context); ms->state = mpc52xx_spi_fsmstate_idle; return FSM_CONTINUE; } @@ -289,7 +289,8 @@ mpc52xx_spi_fsmstate_wait(int irq, struct mpc52xx_spi *ms, u8 status, u8 data) ms->msg_count++; mpc52xx_spi_chipsel(ms, 0); ms->message->status = 0; - ms->message->complete(ms->message->context); + if (ms->message->complete) + ms->message->complete(ms->message->context); ms->state = mpc52xx_spi_fsmstate_idle; return FSM_CONTINUE; } @@ -357,20 +358,6 @@ static void mpc52xx_spi_wq(struct work_struct *work) * spi_master ops */ -static int mpc52xx_spi_setup(struct spi_device *spi) -{ - if (spi->bits_per_word % 8) - return -EINVAL; - - if (spi->mode & ~(SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST)) - return -EINVAL; - - if (spi->chip_select >= spi->master->num_chipselect) - return -EINVAL; - - return 0; -} - static int mpc52xx_spi_transfer(struct spi_device *spi, struct spi_message *m) { struct mpc52xx_spi *ms = spi_master_get_devdata(spi->master); @@ -433,9 +420,9 @@ static int mpc52xx_spi_probe(struct platform_device *op) goto err_alloc; } - master->setup = mpc52xx_spi_setup; master->transfer = mpc52xx_spi_transfer; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST; + master->bits_per_word_mask = SPI_BPW_MASK(8); master->dev.of_node = op->dev.of_node; platform_set_drvdata(op, master); |