spi: kirkwood_spi.c: Compile MPP (pin-mux) only for kirkwood SoC's

Compile the pin multiplexing only on Kirkwood platforms. As the
Armada XP doesn't need it.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Tested-by: Luka Perkov <luka@openwrt.org>
Acked-by: Prafulla Wadaskar <prafulla@marvell.com>

diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index 9710f12..ce2ba96 100644 (file)
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -13,22 +13,28 @@
 #include <spi.h>
 #include <asm/io.h>
 #include <asm/arch/soc.h>
+#ifdef CONFIG_KIRKWOOD
 #include <asm/arch/mpp.h>
+#endif
 #include <asm/arch-mvebu/spi.h>
 
 static struct kwspi_registers *spireg = (struct kwspi_registers *)KW_SPI_BASE;
 
+#ifdef CONFIG_KIRKWOOD
 static u32 cs_spi_mpp_back[2];
+#endif
 
 struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
                                unsigned int max_hz, unsigned int mode)
 {
        struct spi_slave *slave;
        u32 data;
+#ifdef CONFIG_KIRKWOOD
        static const u32 kwspi_mpp_config[2][2] = {
                { MPP0_SPI_SCn, 0 }, /* if cs == 0 */
                { MPP7_SPI_SCn, 0 } /* if cs != 0 */
        };
+#endif
 
        if (!spi_cs_is_valid(bus, cs))
                return NULL;
@@ -51,15 +57,19 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
        writel(KWSPI_SMEMRDIRQ, &spireg->irq_cause);
        writel(KWSPI_IRQMASK, &spireg->irq_mask);
 
+#ifdef CONFIG_KIRKWOOD
        /* program mpp registers to select  SPI_CSn */
        kirkwood_mpp_conf(kwspi_mpp_config[cs ? 1 : 0], cs_spi_mpp_back);
+#endif
 
        return slave;
 }
 
 void spi_free_slave(struct spi_slave *slave)
 {
+#ifdef CONFIG_KIRKWOOD
        kirkwood_mpp_conf(cs_spi_mpp_back, NULL);
+#endif
        free(slave);
 }