From: Ikjoon Jang <ikjn@chromium.org>
To: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Brown <broonie@kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-arm-kernel@lists.infradead.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 4/5] spi: spi-mtk-nor: support 36bit dma addressing to mediatek
Date: Mon, 21 Sep 2020 14:54:32 +0800 [thread overview]
Message-ID: <CAATdQgBOdEAFvsf-mukzmU0Z9MevMzPvtnuX2mJjLGU9VivDUQ@mail.gmail.com> (raw)
In-Reply-To: <1600529204.7002.0.camel@mtksdaap41>
On Sat, Sep 19, 2020 at 11:26 PM Yingjoe Chen <yingjoe.chen@mediatek.com> wrote:
>
> On Fri, 2020-09-18 at 16:31 +0800, Ikjoon Jang wrote:
> > This patch enables 36bit dma address support to spi-mtk-nor.
> > Currently 36bit dma addressing is enabled only for mt8192-nor.
[snip]
>
> Do we need to set sp->high_dma when we have >32bits DMA?
>
Yes, to do so, you need to add new compatible strings if there are
more SoCs support >32bit other than mt8192
or just ust mt8192-nor for binding.
> Joe.C
next prev parent reply other threads:[~2020-09-21 6:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 8:31 [PATCH v2 0/5] spi: spi-mtk-nor: Add mt8192 support Ikjoon Jang
2020-09-18 8:31 ` [PATCH v2 1/5] dt-bindings: spi: add mt8192-nor compatible string Ikjoon Jang
2020-09-23 20:42 ` Rob Herring
2020-09-18 8:31 ` [PATCH v2 2/5] spi: spi-mtk-nor: fix mishandled logics in checking SPI memory operation Ikjoon Jang
2020-09-18 13:09 ` Chuanhong Guo
2020-09-18 13:33 ` Chuanhong Guo
2020-09-21 6:10 ` Ikjoon Jang
2020-09-18 8:31 ` [PATCH v2 3/5] spi: spi-mtk-nor: use dma_alloc_coherent() for bounce buffer Ikjoon Jang
2020-09-18 13:25 ` Chuanhong Guo
2020-09-21 6:52 ` Ikjoon Jang
2020-09-18 8:31 ` [PATCH v2 4/5] spi: spi-mtk-nor: support 36bit dma addressing to mediatek Ikjoon Jang
2020-09-19 15:26 ` Yingjoe Chen
2020-09-21 6:54 ` Ikjoon Jang [this message]
2020-09-18 8:31 ` [PATCH v2 5/5] spi: spi-mtk-nor: Add power management support Ikjoon Jang
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