spi: pxa2xx: Move contents of linux/spi/pxa2xx_spi.h to a local one

There is no user of the linux/spi/pxa2xx_spi.h. Move its contents
to the drivers/spi/spi-pxa2xx.h.

Suggested-by: Arnd Bergmann <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: andy-shev

drivers/spi/spi-pxa2xx-dma.c

@@ -12,7 +12,6 @@
 #include <linux/scatterlist.h>
 #include <linux/sizes.h>
 
-#include <linux/spi/pxa2xx_spi.h>
 #include <linux/spi/spi.h>
 
 #include "spi-pxa2xx.h"

drivers/spi/spi-pxa2xx-pci.c

@@ -10,11 +10,11 @@
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 
-#include <linux/spi/pxa2xx_spi.h>
-
 #include <linux/dmaengine.h>
 #include <linux/platform_data/dma-dw.h>
 
+#include "spi-pxa2xx.h"
+
 #define PCI_DEVICE_ID_INTEL_QUARK_X1000		0x0935
 #define PCI_DEVICE_ID_INTEL_BYT			0x0f0e
 #define PCI_DEVICE_ID_INTEL_MRFLD		0x1194

drivers/spi/spi-pxa2xx.c

@@ -24,7 +24,6 @@
 #include <linux/property.h>
 #include <linux/slab.h>
 
-#include <linux/spi/pxa2xx_spi.h>
 #include <linux/spi/spi.h>
 
 #include "spi-pxa2xx.h"

drivers/spi/spi-pxa2xx.h

@@ -7,6 +7,7 @@
 #ifndef SPI_PXA2XX_H
 #define SPI_PXA2XX_H
 
+#include <linux/dmaengine.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/types.h>
@@ -15,7 +16,40 @@
 #include <linux/pxa2xx_ssp.h>
 
 struct gpio_desc;
-struct pxa2xx_spi_controller;
+
+/*
+ * The platform data for SSP controller devices
+ * (resides in device.platform_data).
+ */
+struct pxa2xx_spi_controller {
+	u8 num_chipselect;
+	u8 enable_dma;
+	u8 dma_burst_size;
+	bool is_target;
+
+	/* DMA engine specific config */
+	dma_filter_fn dma_filter;
+	void *tx_param;
+	void *rx_param;
+
+	/* For non-PXA arches */
+	struct ssp_device ssp;
+};
+
+/*
+ * The controller specific data for SPI target devices
+ * (resides in spi_board_info.controller_data),
+ * copied to spi_device.platform_data ... mostly for
+ * DMA tuning.
+ */
+struct pxa2xx_spi_chip {
+	u8 tx_threshold;
+	u8 tx_hi_threshold;
+	u8 rx_threshold;
+	u8 dma_burst_size;
+	u32 timeout;
+};
+
 struct spi_controller;
 struct spi_device;
 struct spi_transfer;