linux-kernel - RE: [EXT] Re: [PATCH v2 7/9] scsi: ufs: Add max_lu_supported in struct ufs_dev

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Date:   Fri, 17 Jan 2020 13:17:52 +0000
From:   "Bean Huo (beanhuo)" <beanhuo@...ron.com>
To:     Bart Van Assche <bvanassche@....org>, Bean Huo <huobean@...il.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "avri.altman@....com" <avri.altman@....com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH v2 7/9] scsi: ufs: Add max_lu_supported in
 struct ufs_dev_info

Hi, Bart

> > Add one new parameter max_lu_supported in struct ufs_dev_info, which
> > will be used to express exactly how many general LUs being supported
> > by UFS device.
> >
> > Reviewed-by: Bart Van Assche <bvanassche@....org>
> > Reviewed-by: Asutosh Das <asutoshd@...eaurora.org>
> > Signed-off-by: Bean Huo <beanhuo@...ron.com>
> > ---
> >  drivers/scsi/ufs/ufs.h | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index
> > fcc9b4d4e56f..c982bcc94662 100644
> > --- a/drivers/scsi/ufs/ufs.h
> > +++ b/drivers/scsi/ufs/ufs.h
> > @@ -530,6 +530,8 @@ struct ufs_dev_info {
> >  	bool f_power_on_wp_en;
> >  	/* Keeps information if any of the LU is power on write protected */
> >  	bool is_lu_power_on_wp;
> > +	/* Maximum number of general LU supported by the UFS device */
> > +	u8 max_lu_supported;
> >  	u16 wmanufacturerid;
> >  	/*UFS device Product Name */
> >  	u8 *model;
> 
> There is a strong tradition in the Linux kernel community of introducing structure
> members in the same patch that introduces the first user of such a structure
> member. I think patch 8/9 is the first patch that uses this structure member.
> Please consider combining patches 7/9 and 8/9 into a single patch.
> 
Thanks, I split it in order to review easilier. I will combine these two into a single one in the next version.

//Bean