Re: [RESEND v6 06/13] spi: imx: fix ERR009165

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Hello,

On Tue, Mar 10, 2020 at 08:27:41AM +0000, Robin Gong wrote:
> On 2020/03/10 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> > On Tue, Mar 10, 2020 at 07:31:55PM +0800, Robin Gong wrote:
> > >  	writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
> > >
> > > @@ -612,12 +613,14 @@ static int mx51_ecspi_prepare_transfer(struct
> > > spi_imx_data *spi_imx,
> > >
> > >  static void mx51_setup_wml(struct spi_imx_data *spi_imx)  {
> > > +	u32 tx_wml = 0;
> > > +
> > >  	/*
> > >  	 * Configure the DMA register: setup the watermark
> > >  	 * and enable DMA request.
> > >  	 */
> > >  	writel(MX51_ECSPI_DMA_RX_WML(spi_imx->wml - 1) |
> > > -		MX51_ECSPI_DMA_TX_WML(spi_imx->wml) |
> > > +		MX51_ECSPI_DMA_TX_WML(tx_wml) |
> > 
> > tx_wml is never assigned any other value than 0. Drop the variable.
> That's prepared for 07/13 patch which may assign spi_imx->wml to tx_wml.

Then this belongs into patch 7, right?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |



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