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video/msm_fb: use system_wq instead of dedicated workqueues
With cmwq, there's no reason to use separate workqueues. Drop msmfb_info->resume_workqueue and use system_wq instead. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Stanislaw Gruszka <stf_xl@wp.pl> Cc: linux-usb@vger.kernel.org Signed-off-by: David Brown <davidb@codeaurora.org>
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@ -81,7 +81,6 @@ struct msmfb_info {
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spinlock_t update_lock;
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struct mutex panel_init_lock;
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wait_queue_head_t frame_wq;
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struct workqueue_struct *resume_workqueue;
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struct work_struct resume_work;
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struct msmfb_callback dma_callback;
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struct msmfb_callback vsync_callback;
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@ -111,7 +110,7 @@ static void msmfb_handle_dma_interrupt(struct msmfb_callback *callback)
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if (msmfb->sleeping == UPDATING &&
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msmfb->frame_done == msmfb->update_frame) {
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DLOG(SUSPEND_RESUME, "full update completed\n");
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queue_work(msmfb->resume_workqueue, &msmfb->resume_work);
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schedule_work(&msmfb->resume_work);
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}
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spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);
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wake_up(&msmfb->frame_wq);
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@ -559,12 +558,6 @@ static int msmfb_probe(struct platform_device *pdev)
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spin_lock_init(&msmfb->update_lock);
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mutex_init(&msmfb->panel_init_lock);
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init_waitqueue_head(&msmfb->frame_wq);
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msmfb->resume_workqueue = create_workqueue("panel_on");
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if (msmfb->resume_workqueue == NULL) {
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printk(KERN_ERR "failed to create panel_on workqueue\n");
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ret = -ENOMEM;
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goto error_create_workqueue;
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}
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INIT_WORK(&msmfb->resume_work, power_on_panel);
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msmfb->black = kzalloc(msmfb->fb->var.bits_per_pixel*msmfb->xres,
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GFP_KERNEL);
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@ -589,8 +582,6 @@ static int msmfb_probe(struct platform_device *pdev)
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return 0;
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error_register_framebuffer:
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destroy_workqueue(msmfb->resume_workqueue);
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error_create_workqueue:
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iounmap(fb->screen_base);
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error_setup_fbmem:
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framebuffer_release(msmfb->fb);
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