linux-kernel - RE: [PATCH v6 RESEND 2/2] i2c: tegra: Share same DMA channel for RX and TX

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Date:   Mon, 5 Jun 2023 09:24:24 +0000
From:   Akhil R <akhilrajeev@...dia.com>
To:     Wolfram Sang <wsa@...nel.org>
CC:     "christian.koenig@....com" <christian.koenig@....com>,
        "digetx@...il.com" <digetx@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "sumit.semwal@...aro.org" <sumit.semwal@...aro.org>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>
Subject: RE: [PATCH v6 RESEND 2/2] i2c: tegra: Share same DMA channel for RX
 and TX

> On Thu, Apr 27, 2023 at 06:09:15PM +0530, Akhil R wrote:
> > Allocate only one DMA channel for I2C and share it for both TX and RX
> > instead of using two different DMA hardware channels with the same
> > slave ID. Since I2C supports only half duplex, there is no impact on
> > perf with this.
> >
> > Signed-off-by: Akhil R <akhilrajeev@...dia.com>
> > Acked-by: Thierry Reding <treding@...dia.com>
> 
> Applied to for-next, thanks!
> 
> No, there wasn't an issue with this patch. I just needed to make sure
> patch 1 (which was for-current material) landed upstream to avoid merge
> conflicts.

Thank you :)