diff options
| author | Takashi Iwai <tiwai@suse.de> | 2014-11-20 23:46:04 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-11-20 23:46:04 +0300 |
| commit | a69862d8d04e4877965cc938140c9f8e6da0b827 (patch) | |
| tree | 667cace5c2fad872871e4d24d0c895664f0e0bc6 /drivers/char | |
| parent | 0f32fd1900e6b972f289416dbd75e92772b630cb (diff) | |
| parent | 01cb156edbbd4e6c4fd8db0d05f18c62c424f9aa (diff) | |
| download | linux-a69862d8d04e4877965cc938140c9f8e6da0b827.tar.xz | |
Merge branch 'for-linus' into test/usb-resume
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/pseries-rng.c | 11 | ||||
| -rw-r--r-- | drivers/char/raw.c | 2 | ||||
| -rw-r--r-- | drivers/char/virtio_console.c | 4 |
3 files changed, 10 insertions, 7 deletions
diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c index 6226aa08c36a..bcf86f91800a 100644 --- a/drivers/char/hw_random/pseries-rng.c +++ b/drivers/char/hw_random/pseries-rng.c @@ -25,18 +25,21 @@ #include <asm/vio.h> -static int pseries_rng_data_read(struct hwrng *rng, u32 *data) +static int pseries_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) { + u64 buffer[PLPAR_HCALL_BUFSIZE]; + size_t size = max < 8 ? max : 8; int rc; - rc = plpar_hcall(H_RANDOM, (unsigned long *)data); + rc = plpar_hcall(H_RANDOM, (unsigned long *)buffer); if (rc != H_SUCCESS) { pr_err_ratelimited("H_RANDOM call failed %d\n", rc); return -EIO; } + memcpy(data, buffer, size); /* The hypervisor interface returns 64 bits */ - return 8; + return size; } /** @@ -55,7 +58,7 @@ static unsigned long pseries_rng_get_desired_dma(struct vio_dev *vdev) static struct hwrng pseries_rng = { .name = KBUILD_MODNAME, - .data_read = pseries_rng_data_read, + .read = pseries_rng_read, }; static int __init pseries_rng_probe(struct vio_dev *dev, diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 0102dc788608..a24891b97547 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -285,7 +285,7 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd, static const struct file_operations raw_fops = { .read = new_sync_read, - .read_iter = generic_file_read_iter, + .read_iter = blkdev_read_iter, .write = new_sync_write, .write_iter = blkdev_write_iter, .fsync = blkdev_fsync, diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index bfa640023e64..cf7a561fad7c 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1449,8 +1449,6 @@ static int add_port(struct ports_device *portdev, u32 id) spin_lock_init(&port->outvq_lock); init_waitqueue_head(&port->waitqueue); - virtio_device_ready(portdev->vdev); - /* Fill the in_vq with buffers so the host can send us data. */ nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock); if (!nr_added_bufs) { @@ -2026,6 +2024,8 @@ static int virtcons_probe(struct virtio_device *vdev) spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); + virtio_device_ready(portdev->vdev); + if (multiport) { unsigned int nr_added_bufs; |