RE: [RESEND v6 06/13] spi: imx: fix ERR009165
From: Robin Gong <hidden>
Date: 2020-03-10 09:02:16
Also in:
dmaengine, linux-devicetree, linux-spi, lkml
On 2020/03/10 Uwe Kleine-König [off-list ref] wrote:
Hello, On Tue, Mar 10, 2020 at 08:27:41AM +0000, Robin Gong wrote:quoted
On 2020/03/10 Sascha Hauer [off-list ref] wrote:quoted
On Tue, Mar 10, 2020 at 07:31:55PM +0800, Robin Gong wrote:quoted
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);@@ -612,12 +613,14 @@ static int mx51_ecspi_prepare_transfer(structspi_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?
Okay, understood your concern. Then I'll drop tx_wml to make it clear.
Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.p engutronix.de%2F&data=02%7C01%7Cyibin.gong%40nxp.com%7Cca6f14 28f4224fa79f1d08d7c4ce4a41%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0 %7C0%7C637194262606339591&sdata=kI9HAyC%2FG3qmrIrLmfUDJ7dac %2FOEDBtDm4oeRyak1xE%3D&reserved=0 |
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