Re: [PATCH v4 02/10] scsi: ufs: Add flags pm_op_in_progress and is_sys_suspended

[Can Guo <cang@codeaurora.org>]

On 2021-06-24 04:59, Bart Van Assche wrote:
> On 6/23/21 12:35 AM, Can Guo wrote:
>> diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
>> index 93aeeb3..1e7fe73 100644
>> --- a/drivers/scsi/ufs/ufshcd.h
>> +++ b/drivers/scsi/ufs/ufshcd.h
>> @@ -754,6 +754,8 @@ struct ufs_hba {
>>  	struct device_attribute spm_lvl_attr;
>>  	/* A flag to tell whether __ufshcd_wl_suspend/resume() is in 
>> progress */
>>  	bool wlu_pm_op_in_progress;
>> +	/* A flag to tell whether ufshcd_suspend/resume() is in progress */
>> +	bool pm_op_in_progress;
>> 
>>  	/* Auto-Hibernate Idle Timer register value */
>>  	u32 ahit;
>> @@ -841,6 +843,8 @@ struct ufs_hba {
>>  	struct ufs_clk_scaling clk_scaling;
>>  	/* A flag to tell whether the UFS device W-LU is system suspended */
>>  	bool is_wlu_sys_suspended;
>> +	/* A flag to tell whether hba is system suspended */
>> +	bool is_sys_suspended;
>> 
>>  	enum bkops_status urgent_bkops_lvl;
>>  	bool is_urgent_bkops_lvl_checked;
> 
> It is not yet clear to me whether we really need these new member
> variables. If these are retained, please rename pm_op_in_progress into
> platform_pm_op_in_progress and is_sys_suspended into
> platform_is_sys_suspended.

Hi Bart,

These flags are informative when we debug some UFS issues and they
are used by later changes. Sure, I will modify the namings.

Thanks,

Can Guo.

> 
> Thanks,
> 
> Bart.