From 8fa8bea728c261551baed01ef230e1138f2944ce Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 9 Feb 2017 10:15:53 -0800 Subject: auxdisplay: ht16k33: remove private workqueue There is no need for the driver to use private workqueue, standard system workqueue should suffice as they are going to use the same worker pool anyway. Acked-by: Robin van der Gracht Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/auxdisplay/ht16k33.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) (limited to 'drivers/auxdisplay') diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index 586faba83a75..f66b45b235b0 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -80,7 +80,6 @@ struct ht16k33_priv { struct i2c_client *client; struct ht16k33_keypad keypad; struct ht16k33_fbdev fbdev; - struct workqueue_struct *workqueue; }; static struct fb_fix_screeninfo ht16k33_fb_fix = { @@ -126,8 +125,8 @@ static void ht16k33_fb_queue(struct ht16k33_priv *priv) { struct ht16k33_fbdev *fbdev = &priv->fbdev; - queue_delayed_work(priv->workqueue, &fbdev->work, - msecs_to_jiffies(HZ / fbdev->refresh_rate)); + schedule_delayed_work(&fbdev->work, + msecs_to_jiffies(HZ / fbdev->refresh_rate)); } /* @@ -414,21 +413,15 @@ static int ht16k33_probe(struct i2c_client *client, i2c_set_clientdata(client, priv); fbdev = &priv->fbdev; - priv->workqueue = create_singlethread_workqueue(DRIVER_NAME "-wq"); - if (priv->workqueue == NULL) - return -ENOMEM; - err = ht16k33_initialize(priv); if (err) - goto err_destroy_wq; + return err; /* Framebuffer (2 bytes per column) */ BUILD_BUG_ON(PAGE_SIZE < HT16K33_FB_SIZE); fbdev->buffer = (unsigned char *) get_zeroed_page(GFP_KERNEL); - if (!fbdev->buffer) { - err = -ENOMEM; - goto err_destroy_wq; - } + if (!fbdev->buffer) + return -ENOMEM; fbdev->cache = devm_kmalloc(&client->dev, HT16K33_FB_SIZE, GFP_KERNEL); if (!fbdev->cache) { @@ -505,8 +498,6 @@ err_fbdev_info: framebuffer_release(fbdev->info); err_fbdev_buffer: free_page((unsigned long) fbdev->buffer); -err_destroy_wq: - destroy_workqueue(priv->workqueue); return err; } @@ -521,7 +512,6 @@ static int ht16k33_remove(struct i2c_client *client) framebuffer_release(fbdev->info); free_page((unsigned long) fbdev->buffer); - destroy_workqueue(priv->workqueue); return 0; } -- cgit v1.2.3