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spi: imx: Don't expect DMA for i.MX{25,35,50,51,53} cspi devices
While in commit2dd33f9cec
("spi: imx: support DMA for imx35") it was claimed that DMA works on i.MX25, i.MX31 and i.MX35 the respective device trees don't add DMA channels. The Reference manuals of i.MX31 and i.MX25 also don't mention the CSPI core being DMA capable. (I didn't check the others.) Since commite267a5b3ec
("spi: spi-imx: Use dev_err_probe for failed DMA channel requests") this results in an error message spi_imx 43fa4000.spi: error -ENODEV: can't get the TX DMA channel! during boot. However that isn't fatal and the driver gets loaded just fine, just without using DMA. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://patch.msgid.link/20240508095610.2146640-2-u.kleine-koenig@pengutronix.de Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1050,7 +1050,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
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.rx_available = mx31_rx_available,
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.reset = mx31_reset,
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.fifo_size = 8,
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.has_dmamode = true,
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.has_dmamode = false,
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.dynamic_burst = false,
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.has_targetmode = false,
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.devtype = IMX35_CSPI,
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