From: Greg KH <gregkh@linuxfoundation.org>
To: Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
jaegeuk@kernel.org, alex.lemberg@wdc.com
Subject: Re: [PATCH v4 10/10] ufs: sysfs: attributes
Date: Thu, 1 Feb 2018 18:03:12 +0100 [thread overview]
Message-ID: <20180201170312.GD12838@kroah.com> (raw)
In-Reply-To: <1517501746-19075-11-git-send-email-stanislav.nijnikov@wdc.com>
On Thu, Feb 01, 2018 at 06:15:46PM +0200, Stanislav Nijnikov wrote:
> +#define UFS_LUN_ATTRIBUTE(_name, _uname) \
> +static ssize_t _name##_attribute_show(struct device *dev, \
> + struct device_attribute *attr, char *buf) \
> +{ \
> + u32 value; \
> + struct scsi_device *sdev = to_scsi_device(dev); \
> + struct ufs_hba *hba = shost_priv(sdev->host); \
> + u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); \
> + if (ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \
> + QUERY_ATTR_IDN##_uname, lun, 0, &value)) \
> + return -EINVAL; \
> + return sprintf(buf, "0x%08X\n", value); \
> +} \
> +static DEVICE_ATTR_RO(_name##_attribute)
> +
> +UFS_LUN_ATTRIBUTE(dyn_cap_needed, _DYN_CAP_NEEDED);
Why create a macro when you only have one instance of its use?
thanks,
greg k-h
next prev parent reply other threads:[~2018-02-01 17:03 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 16:15 [PATCH v4 00/10] ufs: sysfs: read-only access to device descriptors, attributes and flags Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 01/10] ufs: sysfs: attribute group for existing sysfs entries Stanislav Nijnikov
2018-02-01 16:59 ` Greg KH
2018-02-04 12:29 ` Stanislav Nijnikov
2018-02-04 12:33 ` Greg KH
2018-02-04 13:09 ` Stanislav Nijnikov
2018-02-04 13:15 ` Greg KH
2018-02-01 16:15 ` [PATCH v4 02/10] ufs: sysfs: device descriptor Stanislav Nijnikov
2018-02-01 17:00 ` Greg KH
2018-02-02 0:25 ` Bart Van Assche
2018-02-02 7:17 ` gregkh
2018-02-02 16:32 ` Bart Van Assche
2018-02-04 9:03 ` Stanislav Nijnikov
2018-02-04 10:44 ` gregkh
2018-02-02 0:29 ` Bart Van Assche
2018-02-01 16:15 ` [PATCH v4 03/10] ufs: sysfs: interconnect descriptor Stanislav Nijnikov
2018-02-01 17:01 ` Greg KH
2018-02-01 16:15 ` [PATCH v4 04/10] ufs: sysfs: geometry descriptor Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 05/10] ufs: sysfs: health descriptor Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 06/10] ufs: sysfs: power descriptor Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 07/10] ufs: sysfs: string descriptors Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 08/10] ufs: sysfs: unit descriptor Stanislav Nijnikov
2018-02-02 0:38 ` Bart Van Assche
2018-02-01 16:15 ` [PATCH v4 09/10] ufs: sysfs: flags Stanislav Nijnikov
2018-02-01 16:15 ` [PATCH v4 10/10] ufs: sysfs: attributes Stanislav Nijnikov
2018-02-01 17:03 ` Greg KH [this message]
2018-02-01 16:48 ` [PATCH v4 00/10] ufs: sysfs: read-only access to device descriptors, attributes and flags Eric W. Biederman
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