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From: Greg KH <gregkh@linuxfoundation.org>
To: Pawel Laszczak <pawell@cadence.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"balbi@kernel.org" <balbi@kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"dan.carpenter@oracle.com" <dan.carpenter@oracle.com>,
	"ben.dooks@codethink.co.uk" <ben.dooks@codethink.co.uk>,
	"colin.king@canonical.com" <colin.king@canonical.com>,
	"rogerq@ti.com" <rogerq@ti.com>,
	"peter.chen@nxp.com" <peter.chen@nxp.com>,
	"weiyongjun1@huawei.com" <weiyongjun1@huawei.com>,
	Jayshri Dajiram Pawar <jpawar@cadence.com>,
	"kurahul@cadene.com" <kurahul@cadene.com>,
	Sanket Parmar <sparmar@cadence.com>
Subject: Re: [PATCH RFC 2/5] usb:cdns3: Add pci to platform driver wrapper
Date: Mon, 29 Jun 2020 13:43:15 +0200	[thread overview]
Message-ID: <20200629114315.GA121549@kroah.com> (raw)
In-Reply-To: <DM6PR07MB5529755E72D87EFDD1867A7BDD6E0@DM6PR07MB5529.namprd07.prod.outlook.com>

On Mon, Jun 29, 2020 at 11:35:32AM +0000, Pawel Laszczak wrote:
> 
> >
> >On Fri, Jun 26, 2020 at 06:54:47AM +0200, Pawel Laszczak wrote:
> >> Patch adds PCI specific glue driver that creates and registers in-system
> >> cdns-usbssp platform device.
> >
> >Ick, no.
> >
> >Platform devices are ONLY to be used for when you have a real platform
> >device.  If your device is a PCI device, use that.  Don't try to be cute
> >and make a platform device when you don't have one please.
> >
> >> Thanks to that we will be able to use
> >> the cdns-usbssp platform driver for USBSS-DEV controller
> >> build on PCI board.
> >
> >No, fix up that driver to not care about it being a platform device,
> >make it just accept any type of 'struct device'.
> >
> Ok, I will remove it form this driver but probably in a few months I will have to add 
> such support.  

For a real platform device, that's fine, but that is not what you are
doing here.

thanks,

greg k-h

  reply	other threads:[~2020-06-29 21:32 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-26  4:54 [PATCH RFC 0/5] Introduced new Cadence USBSSP DRD Driver Pawel Laszczak
2020-06-26  4:54 ` [PATCH RFC 1/5] dt-bindings: add binding for CDNSP-DRD controller Pawel Laszczak
2020-06-29 22:03   ` Rob Herring
2020-06-30  8:19     ` Pawel Laszczak
2020-06-26  4:54 ` [PATCH RFC 2/5] usb:cdns3: Add pci to platform driver wrapper Pawel Laszczak
2020-06-26 11:40   ` Dan Carpenter
2020-06-26 15:10     ` Pawel Laszczak
2020-06-26 17:24       ` Dan Carpenter
2020-06-29  6:51         ` Pawel Laszczak
2020-06-26 13:43   ` Greg KH
2020-06-29 11:35     ` Pawel Laszczak
2020-06-29 11:43       ` Greg KH [this message]
2020-06-26  4:54 ` [PATCH RFC 3/5] usb: cdnsp: Device side header file for CDNSP driver Pawel Laszczak
2020-06-26  4:54 ` [PATCH RFC 4/5] usb: cdnsp: usb:cdns3 Add main part of Cadence USBSSP DRD Driver Pawel Laszczak
2020-06-29 10:16   ` Dan Carpenter
2020-07-02  3:48     ` Pawel Laszczak
2020-06-26  4:54 ` [PATCH RFC 5/5] usb: cdnsp: Add tracepoints for CDNSP driver Pawel Laszczak
2020-06-26  6:52 ` [PATCH RFC 0/5] Introduced new Cadence USBSSP DRD Driver Felipe Balbi
2020-06-26  7:19   ` Pawel Laszczak
2020-06-29  3:41     ` Peter Chen
2020-06-29  4:31       ` gregkh
2020-06-29 11:20         ` Pawel Laszczak
2020-06-29 11:43           ` gregkh
2020-09-22 13:06         ` Pawel Laszczak
2020-09-23  2:56           ` Peter Chen
2020-09-23  3:37             ` Pawel Laszczak

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