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authorVincent Whitchurch <vincent.whitchurch@axis.com>2021-12-20 14:06:56 +0100
committerBartosz Golaszewski <brgl@bgdev.pl>2021-12-21 16:22:58 +0100
commit3e4d9a485029aa9e172dab5420abe775fd86f8e8 (patch)
tree259112bb4f131f59de2dd1ec1216bd5bddf2239b /drivers/gpio/gpio-virtio.c
parent9a5875f14b0e3a13ae314883f1bb72b7f31fac07 (diff)
gpio: virtio: remove timeout
The driver imposes an arbitrary one second timeout on virtio requests, but the specification doesn't prevent the virtio device from taking longer to process requests, so remove this timeout to support all systems and device implementations. Fixes: 3a29355a22c0275fe86 ("gpio: Add virtio-gpio driver") Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio/gpio-virtio.c')
-rw-r--r--drivers/gpio/gpio-virtio.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c
index 84f96b78f32a..9f4941bc5760 100644
--- a/drivers/gpio/gpio-virtio.c
+++ b/drivers/gpio/gpio-virtio.c
@@ -100,11 +100,7 @@ static int _virtio_gpio_req(struct virtio_gpio *vgpio, u16 type, u16 gpio,
virtqueue_kick(vgpio->request_vq);
mutex_unlock(&vgpio->lock);
- if (!wait_for_completion_timeout(&line->completion, HZ)) {
- dev_err(dev, "GPIO operation timed out\n");
- ret = -ETIMEDOUT;
- goto out;
- }
+ wait_for_completion(&line->completion);
if (unlikely(res->status != VIRTIO_GPIO_STATUS_OK)) {
dev_err(dev, "GPIO request failed: %d\n", gpio);