From mboxrd@z Thu Jan 1 00:00:00 1970 From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi) Date: Fri, 16 Nov 2018 12:10:43 +0000 Subject: [PATCH] PCI: armada8k: add support for gpio controlled reset signal In-Reply-To: <20181003133543.t7laclm5wbj2olhq@sapphire.tkos.co.il> References: <405efb21a4600efad10413fcf4c72aacce180125.1538570983.git.baruch@tkos.co.il> <20181003132811.GC427@lunn.ch> <20181003133543.t7laclm5wbj2olhq@sapphire.tkos.co.il> Message-ID: <20181116121043.GC3228@e107981-ln.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Oct 03, 2018 at 04:35:43PM +0300, Baruch Siach wrote: > Hi Andrew, > > On Wed, Oct 03, 2018 at 03:28:11PM +0200, Andrew Lunn wrote: > > On Wed, Oct 03, 2018 at 03:49:43PM +0300, Baruch Siach wrote: > > > This commit adds support for the gpio reset signal binding as described > > > in the designware-pcie.txt DT binding document. Both the documented > > > 'reset-gpio' property name, and the more standard 'reset-gpios' name are > > > supported. > > > > I don't know this code at all, so maybe a dumb question. Why support > > the old none-standard binding of reset-gpio on new hardware? I'm > > assuming reset-gpio is marked a deprecated and reset-gpios is > > recommended? > > This is all hidden behind the devm_gpiod_get_optional() call that only sees > the "reset" string. The generic code supports both the new property name and > also the older one for backward compatibility. This patch changes nothing in > this regard. > > The designware-pcie.txt document mentions the older 'reset-gpio' name. So I > mentioned that name as well in the commit log. I need Thomas' ACK to proceed with this patch. Thanks, Lorenzo