linux-kernel - Re: [PATCH] arm64: defconfig: Enable FSL

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Message-ID: <20190510030525.GC15856@dragon>
Date:   Fri, 10 May 2019 11:05:26 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Li Yang <leoyang.li@....com>
Cc:     Vinod Koul <vkoul@...nel.org>, Grant Likely <grant.likely@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: defconfig: Enable FSL_EDMA driver

On Mon, Apr 22, 2019 at 01:30:56PM -0500, Li Yang wrote:
> Enables the FSL EDMA driver by default.  This also works around an issue
> that imx-i2c driver keeps deferring the probe because of the DMA is not
> ready.  And currently the DMA engine framework can not correctly tell
> if the DMA channels will truly become available later (it will never be
> available if the DMA driver is not enabled).
> 
> This will cause indefinite messages like below:
> [    3.335829] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported
> [    3.344455] ina2xx 0-0040: power monitor ina220 (Rshunt = 1000 uOhm)
> [    3.350917] lm90 0-004c: 0-004c supply vcc not found, using dummy regulator
> [    3.362089] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported
> [    3.370741] ina2xx 0-0040: power monitor ina220 (Rshunt = 1000 uOhm)
> [    3.377205] lm90 0-004c: 0-004c supply vcc not found, using dummy regulator
> [    3.388455] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported
> ..... 
> 
> Signed-off-by: Li Yang <leoyang.li@....com>

Applied, thanks.