Hi Maxime,
El 29/01/14 08:10, Maxime Ripard escribió:
The Allwinner A31 has a new SPI controller IP compared to the older Allwinner
SoCs.
It supports DMA, but the driver only does PIO for now, and DMA will be
supported eventually.
Signed-off-by: Maxime Ripard <[email protected]>
---
(snip)
+ struct sun6i_spi *sspi = spi_master_get_devdata(master);
+ int ret;
+
+ ret = clk_prepare_enable(sspi->hclk);
+ if (ret) {
+ dev_err(dev, "Couldn't enable clock 'ahb spi'\n");
+ goto out;
+ }
+
+ ret = clk_prepare_enable(sspi->mclk);
+ if (ret) {
+ dev_err(dev, "Couldn't enable clock 'ahb spi'\n");
A different message would be nice :)
Cheers,
Emilio
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