linux-kernel - Re: [PATCH 06/15] arm64: defconfig: Enable NXP/FSL SPI controller drivers

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Message-ID: <20200311070632.GI29269@dragon>
Date:   Wed, 11 Mar 2020 15:06:33 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Li Yang <leoyang.li@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/15] arm64: defconfig: Enable NXP/FSL SPI controller
 drivers

On Wed, Mar 11, 2020 at 01:24:07AM -0500, Li Yang wrote:
> On Wed, Mar 11, 2020 at 12:52 AM Shawn Guo <shawnguo@...nel.org> wrote:
> 
> > On Mon, Feb 24, 2020 at 05:08:01PM -0600, Li Yang wrote:
> > > Enables SPI controller drivers used in various NXP/FSL SoCs.
> > >
> > > Enabled as built-in to load RFS from SPI flash without requiring
> > > initramfs.
> >
> > RootFS on SPI flash?  On which platforms?
> 
> 
> QSPI is fast enough to connect big flash for file system.  It is used to
> connect 512MB NAND flash and 256MB NOR flash on LS1028RDB.  It is used as
> bootsource for other platforms like LS2080ardb too.

Please put this info into commit log.

Shawn