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From: Adrian Hunter <adrian.hunter@intel.com>
To: Asutosh Das <asutoshd@codeaurora.org>,
	cang@codeaurora.org, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	Stanley Chu <stanley.chu@mediatek.com>,
	Bean Huo <beanhuo@micron.com>, Yue Hu <huyue2@yulong.com>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v18 2/2] ufs: sysfs: Resume the proper scsi device
Date: Thu, 15 Apr 2021 12:21:52 +0300	[thread overview]
Message-ID: <3e88725f-166d-114b-506d-17a41c2a5c72@intel.com> (raw)
In-Reply-To: <4745814f5fa37d49e969c2ffb1b4df401dbc98e7.1618426513.git.asutoshd@codeaurora.org>

On 14/04/21 9:58 pm, Asutosh Das wrote:
> Resumes the actual scsi device the unit descriptor of which
> is being accessed instead of the hba alone.
> 
> Reviewed-by: Can Guo <cang@codeaurora.org>
> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>

Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/scsi/ufs/ufs-sysfs.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
> index d7c3cff..4d9d4d8 100644
> --- a/drivers/scsi/ufs/ufs-sysfs.c
> +++ b/drivers/scsi/ufs/ufs-sysfs.c
> @@ -245,9 +245,9 @@ static ssize_t wb_on_store(struct device *dev, struct device_attribute *attr,
>  		goto out;
>  	}
>  
> -	pm_runtime_get_sync(hba->dev);
> +	ufshcd_rpm_get_sync(hba);
>  	res = ufshcd_wb_toggle(hba, wb_enable);
> -	pm_runtime_put_sync(hba->dev);
> +	ufshcd_rpm_put_sync(hba);
>  out:
>  	up(&hba->host_sem);
>  	return res < 0 ? res : count;
> @@ -297,10 +297,10 @@ static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba,
>  		goto out;
>  	}
>  
> -	pm_runtime_get_sync(hba->dev);
> +	ufshcd_rpm_get_sync(hba);
>  	ret = ufshcd_read_desc_param(hba, desc_id, desc_index,
>  				param_offset, desc_buf, param_size);
> -	pm_runtime_put_sync(hba->dev);
> +	ufshcd_rpm_put_sync(hba);
>  	if (ret) {
>  		ret = -EINVAL;
>  		goto out;
> @@ -678,7 +678,7 @@ static ssize_t _name##_show(struct device *dev,				\
>  		up(&hba->host_sem);					\
>  		return -ENOMEM;						\
>  	}								\
> -	pm_runtime_get_sync(hba->dev);					\
> +	ufshcd_rpm_get_sync(hba);					\
>  	ret = ufshcd_query_descriptor_retry(hba,			\
>  		UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE,	\
>  		0, 0, desc_buf, &desc_len);				\
> @@ -695,7 +695,7 @@ static ssize_t _name##_show(struct device *dev,				\
>  		goto out;						\
>  	ret = sysfs_emit(buf, "%s\n", desc_buf);			\
>  out:									\
> -	pm_runtime_put_sync(hba->dev);					\
> +	ufshcd_rpm_put_sync(hba);					\
>  	kfree(desc_buf);						\
>  	up(&hba->host_sem);						\
>  	return ret;							\
> @@ -744,10 +744,10 @@ static ssize_t _name##_show(struct device *dev,				\
>  	}								\
>  	if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname))			\
>  		index = ufshcd_wb_get_query_index(hba);			\
> -	pm_runtime_get_sync(hba->dev);					\
> +	ufshcd_rpm_get_sync(hba);					\
>  	ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG,	\
>  		QUERY_FLAG_IDN##_uname, index, &flag);			\
> -	pm_runtime_put_sync(hba->dev);					\
> +	ufshcd_rpm_put_sync(hba);					\
>  	if (ret) {							\
>  		ret = -EINVAL;						\
>  		goto out;						\
> @@ -813,10 +813,10 @@ static ssize_t _name##_show(struct device *dev,				\
>  	}								\
>  	if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname))			\
>  		index = ufshcd_wb_get_query_index(hba);			\
> -	pm_runtime_get_sync(hba->dev);					\
> +	ufshcd_rpm_get_sync(hba);					\
>  	ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR,	\
>  		QUERY_ATTR_IDN##_uname, index, 0, &value);		\
> -	pm_runtime_put_sync(hba->dev);					\
> +	ufshcd_rpm_put_sync(hba);					\
>  	if (ret) {							\
>  		ret = -EINVAL;						\
>  		goto out;						\
> @@ -964,10 +964,10 @@ static ssize_t dyn_cap_needed_attribute_show(struct device *dev,
>  		goto out;
>  	}
>  
> -	pm_runtime_get_sync(hba->dev);
> +	ufshcd_rpm_get_sync(hba);
>  	ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR,
>  		QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value);
> -	pm_runtime_put_sync(hba->dev);
> +	ufshcd_rpm_put_sync(hba);
>  	if (ret) {
>  		ret = -EINVAL;
>  		goto out;
> 


      reply	other threads:[~2021-04-15  9:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-14 18:58 [PATCH v18 0/2] Enable power management for ufs wlun Asutosh Das
2021-04-14 18:58 ` [PATCH v18 1/2] scsi: ufs: Enable power management for wlun Asutosh Das
2021-04-14 22:41   ` kernel test robot
2021-04-15 11:06   ` Adrian Hunter
2021-04-15 18:22   ` Dan Carpenter
2021-04-15 23:11   ` Bart Van Assche
2021-04-16  2:10     ` Martin K. Petersen
2021-04-16 18:21     ` Asutosh Das (asd)
2021-04-14 18:58 ` [PATCH v18 2/2] ufs: sysfs: Resume the proper scsi device Asutosh Das
2021-04-15  9:21   ` Adrian Hunter [this message]

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