spi: pxa2xx: Add slave mode support
Tested on an OLPC XO-1.75 machine, where the Embedded Controller happens to be a SPI master. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Mark Brown <broonie@kernel.org>
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Mark Brown

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ec93cb6f82
@@ -25,6 +25,7 @@ struct dma_chan;
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struct pxa2xx_spi_master {
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u16 num_chipselect;
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u8 enable_dma;
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bool is_slave;
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/* DMA engine specific config */
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bool (*dma_filter)(struct dma_chan *chan, void *param);
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