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/ |
