diff options
Diffstat (limited to 'drivers/spi/spidev.c')
| -rw-r--r-- | drivers/spi/spidev.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index cda10719d1d1..0fe6bcaa4f86 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -281,13 +281,13 @@ static int spidev_message(struct spidev_data *spidev, #ifdef VERBOSE dev_dbg(&spidev->spi->dev, " xfer len %u %s%s%s%dbits %u usec %uHz\n", - u_tmp->len, - u_tmp->rx_buf ? "rx " : "", - u_tmp->tx_buf ? "tx " : "", - u_tmp->cs_change ? "cs " : "", - u_tmp->bits_per_word ? : spidev->spi->bits_per_word, - u_tmp->delay_usecs, - u_tmp->speed_hz ? : spidev->spi->max_speed_hz); + k_tmp->len, + k_tmp->rx_buf ? "rx " : "", + k_tmp->tx_buf ? "tx " : "", + k_tmp->cs_change ? "cs " : "", + k_tmp->bits_per_word ? : spidev->spi->bits_per_word, + k_tmp->delay_usecs, + k_tmp->speed_hz ? : spidev->spi->max_speed_hz); #endif spi_message_add_tail(k_tmp, &msg); } @@ -454,10 +454,11 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) spi->max_speed_hz = tmp; retval = spi_setup(spi); - if (retval >= 0) + if (retval == 0) { spidev->speed_hz = tmp; - else - dev_dbg(&spi->dev, "%d Hz (max)\n", tmp); + dev_dbg(&spi->dev, "%d Hz (max)\n", + spidev->speed_hz); + } spi->max_speed_hz = save; } break; @@ -634,6 +635,9 @@ static int spidev_release(struct inode *inode, struct file *filp) if (dofree) kfree(spidev); } +#ifdef CONFIG_SPI_SLAVE + spi_slave_abort(spidev->spi); +#endif mutex_unlock(&device_list_lock); return 0; @@ -669,6 +673,7 @@ static const struct of_device_id spidev_dt_ids[] = { { .compatible = "lineartechnology,ltc2488" }, { .compatible = "ge,achc" }, { .compatible = "semtech,sx1301" }, + { .compatible = "toradex,evalspi" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); @@ -724,11 +729,9 @@ static int spidev_probe(struct spi_device *spi) * compatible string, it is a Linux implementation thing * rather than a description of the hardware. */ - if (spi->dev.of_node && !of_match_device(spidev_dt_ids, &spi->dev)) { - dev_err(&spi->dev, "buggy DT: spidev listed directly in DT\n"); - WARN_ON(spi->dev.of_node && - !of_match_device(spidev_dt_ids, &spi->dev)); - } + WARN(spi->dev.of_node && + of_device_is_compatible(spi->dev.of_node, "spidev"), + "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node); spidev_probe_acpi(spi); |