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author | Rusty Russell <rusty@rustcorp.com.au> | 2013-10-14 09:41:51 +0200 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-10-17 02:25:37 +0200 |
commit | 855e0c5288177bcb193f6f6316952d2490478e1c (patch) | |
tree | 7c5cfed44c9def1a7ca3388f37a9520de52af44b /drivers/char | |
parent | virtio_config: introduce size-based accessors. (diff) | |
download | linux-855e0c5288177bcb193f6f6316952d2490478e1c.tar.xz linux-855e0c5288177bcb193f6f6316952d2490478e1c.zip |
virtio: use size-based config accessors.
This lets the transport do endian conversion if necessary, and insulates
the drivers from the difference.
Most drivers can use the simple helpers virtio_cread() and virtio_cwrite().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/virtio_console.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 862fd54a0ffb..2a8d9a7a1834 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1837,12 +1837,8 @@ static void config_intr(struct virtio_device *vdev) struct port *port; u16 rows, cols; - vdev->config->get(vdev, - offsetof(struct virtio_console_config, cols), - &cols, sizeof(u16)); - vdev->config->get(vdev, - offsetof(struct virtio_console_config, rows), - &rows, sizeof(u16)); + virtio_cread(vdev, struct virtio_console_config, cols, &cols); + virtio_cread(vdev, struct virtio_console_config, rows, &rows); port = find_port_by_id(portdev, 0); set_console_size(port, rows, cols); @@ -2014,10 +2010,9 @@ static int virtcons_probe(struct virtio_device *vdev) /* Don't test MULTIPORT at all if we're rproc: not a valid feature! */ if (!is_rproc_serial(vdev) && - virtio_config_val(vdev, VIRTIO_CONSOLE_F_MULTIPORT, - offsetof(struct virtio_console_config, - max_nr_ports), - &portdev->config.max_nr_ports) == 0) { + virtio_cread_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT, + struct virtio_console_config, max_nr_ports, + &portdev->config.max_nr_ports) == 0) { multiport = true; } |