diff options
Diffstat (limited to 'drivers/spi/spidev.c')
| -rw-r--r-- | drivers/spi/spidev.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 5d23983f02fc..9c446e6003d5 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -30,7 +30,6 @@ #include <linux/errno.h> #include <linux/mutex.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/spi/spi.h> #include <linux/spi/spidev.h> @@ -42,7 +41,7 @@ * This supports acccess to SPI devices using normal userspace I/O calls. * Note that while traditional UNIX/POSIX I/O semantics are half duplex, * and often mask message boundaries, full SPI support requires full duplex - * transfers. There are several kinds of of internal message boundaries to + * transfers. There are several kinds of internal message boundaries to * handle chipselect management and other protocol options. * * SPI has a character major number assigned. We allocate minor numbers @@ -267,15 +266,15 @@ static int spidev_message(struct spidev_data *spidev, k_tmp->delay_usecs = u_tmp->delay_usecs; k_tmp->speed_hz = u_tmp->speed_hz; #ifdef VERBOSE - dev_dbg(&spi->dev, + dev_dbg(&spidev->spi->dev, " xfer len %zd %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 ? : spi->bits_per_word, + u_tmp->bits_per_word ? : spidev->spi->bits_per_word, u_tmp->delay_usecs, - u_tmp->speed_hz ? : spi->max_speed_hz); + u_tmp->speed_hz ? : spidev->spi->max_speed_hz); #endif spi_message_add_tail(k_tmp, &msg); } @@ -477,7 +476,6 @@ static int spidev_open(struct inode *inode, struct file *filp) struct spidev_data *spidev; int status = -ENXIO; - lock_kernel(); mutex_lock(&device_list_lock); list_for_each_entry(spidev, &device_list, device_entry) { @@ -503,7 +501,6 @@ static int spidev_open(struct inode *inode, struct file *filp) pr_debug("spidev: nothing for minor %d\n", iminor(inode)); mutex_unlock(&device_list_lock); - unlock_kernel(); return status; } |