linux-kernel - Re: [GIT PULL] Driver core patches for 5.3-rc1

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Date:   Fri, 12 Jul 2019 09:36:50 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [GIT PULL] Driver core patches for 5.3-rc1

On Fri, Jul 12, 2019 at 09:36:23AM +0200, Greg KH wrote:
> The following changes since commit f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a:
> 
>   Linux 5.2-rc3 (2019-06-02 13:55:33 -0700)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git tags/driver-core-5.3-rc1
> 
> for you to fetch changes up to c33d442328f556460b79aba6058adb37bb555389:
> 
>   debugfs: make error message a bit more verbose (2019-07-08 10:44:57 +0200)
> 
> ----------------------------------------------------------------
> Driver Core and debugfs changes for 5.3-rc1
> 
> Here is the "big" driver core and debugfs changes for 5.3-rc1
> 
> It's a lot of different patches, all across the tree due to some api
> changes and lots of debugfs cleanups.  Because of this, there is going
> to be some merge issues with your tree at the moment, I'll follow up
> with the expected resolutions to make it easier for you.

Here's the merge resolution patch that worked for me:


diff --cc drivers/acpi/sleep.c
index fcf4386ecc78,f0fe7c15d657..000000000000
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
diff --cc drivers/misc/mei/debugfs.c
index df6bf8b81936,47cfd5005e1b..000000000000
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@@ -233,22 -154,46 +154,21 @@@ void mei_dbgfs_deregister(struct mei_de
   *
   * @dev: the mei device structure
   * @name: the mei device name
 - *
 - * Return: 0 on success, <0 on failure.
   */
 -int mei_dbgfs_register(struct mei_device *dev, const char *name)
 +void mei_dbgfs_register(struct mei_device *dev, const char *name)
  {
 -	struct dentry *dir, *f;
 +	struct dentry *dir;
  
  	dir = debugfs_create_dir(name, NULL);
 -	if (!dir)
 -		return -ENOMEM;
 -
  	dev->dbgfs_dir = dir;
  
 -	f = debugfs_create_file("meclients", S_IRUSR, dir,
 -				dev, &mei_dbgfs_meclients_fops);
 -	if (!f) {
 -		dev_err(dev->dev, "meclients: registration failed\n");
 -		goto err;
 -	}
 -	f = debugfs_create_file("active", S_IRUSR, dir,
 -				dev, &mei_dbgfs_active_fops);
 -	if (!f) {
 -		dev_err(dev->dev, "active: registration failed\n");
 -		goto err;
 -	}
 -	f = debugfs_create_file("devstate", S_IRUSR, dir,
 -				dev, &mei_dbgfs_devstate_fops);
 -	if (!f) {
 -		dev_err(dev->dev, "devstate: registration failed\n");
 -		goto err;
 -	}
 -	f = debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
 -				&dev->allow_fixed_address,
 -				&mei_dbgfs_allow_fa_fops);
 -	if (!f) {
 -		dev_err(dev->dev, "allow_fixed_address: registration failed\n");
 -		goto err;
 -	}
 -	return 0;
 -err:
 -	mei_dbgfs_deregister(dev);
 -	return -ENODEV;
 +	debugfs_create_file("meclients", S_IRUSR, dir, dev,
- 			    &mei_dbgfs_fops_meclients);
++			    &mei_dbgfs_meclients_fops);
 +	debugfs_create_file("active", S_IRUSR, dir, dev,
- 			    &mei_dbgfs_fops_active);
++			    &mei_dbgfs_active_fops);
 +	debugfs_create_file("devstate", S_IRUSR, dir, dev,
- 			    &mei_dbgfs_fops_devstate);
++			    &mei_dbgfs_devstate_fops);
 +	debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
 +			    &dev->allow_fixed_address,
- 			    &mei_dbgfs_fops_allow_fa);
++			    &mei_dbgfs_allow_fa_fops);
  }
- 
diff --cc drivers/misc/vmw_balloon.c
index fdf5ad757226,043eed845246..000000000000
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@@ -1553,15 -1942,26 +1932,24 @@@ static int __init vmballoon_init(void
  	if (x86_hyper_type != X86_HYPER_VMWARE)
  		return -ENODEV;
  
- 	for (page_size = VMW_BALLOON_4K_PAGE;
- 	     page_size <= VMW_BALLOON_LAST_SIZE; page_size++)
- 		INIT_LIST_HEAD(&balloon.page_sizes[page_size].pages);
- 
- 
  	INIT_DELAYED_WORK(&balloon.dwork, vmballoon_work);
  
+ 	error = vmballoon_register_shrinker(&balloon);
+ 	if (error)
+ 		goto fail;
+ 
 -	error = vmballoon_debugfs_init(&balloon);
 -	if (error)
 -		goto fail;
 +	vmballoon_debugfs_init(&balloon);
  
+ 	/*
+ 	 * Initialization of compaction must be done after the call to
+ 	 * balloon_devinfo_init() .
+ 	 */
+ 	balloon_devinfo_init(&balloon.b_dev_info);
+ 	error = vmballoon_compaction_init(&balloon);
+ 	if (error)
+ 		goto fail;
+ 
+ 	INIT_LIST_HEAD(&balloon.huge_pages);
  	spin_lock_init(&balloon.comm_lock);
  	init_rwsem(&balloon.conf_sem);
  	balloon.vmci_doorbell = VMCI_INVALID_HANDLE;
* Unmerged path drivers/hwtracing/coresight/of_coresight.c