Re: [PATCH] i2c: stm32: do not display error when DMA is not requested

From: Wolfram Sang
Date: Thu Sep 10 2020 - 06:06:14 EST

On Thu, Sep 10, 2020 at 11:32:29AM +0200, Alain Volmat wrote:
> DMA usage is optional for the I2C driver. check for the -ENODEV
> error in order to avoid displaying an error when no DMA
> has been requested.
> Signed-off-by: Alain Volmat <alain.volmat@xxxxxx>
> ---
> This patch should be applied on top of the patch [i2c: stm32: Simplify with dev_err_probe()]

We can do it in this order, it just makes backporting to stable kernels
(if that is desired) a bit harder than a self-contained patch. I am fine
with both approaches, but just wanted to point it out.

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