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[U-Boot,v3,11/25] spi: kirkwood_spi.c: Compile MPP (pin-mux) only for kirkwood SoC's

Message ID 1409659393-28875-12-git-send-email-sr@denx.de
State Superseded
Delegated to: Prafulla Wadaskar
Headers show

Commit Message

Stefan Roese Sept. 2, 2014, 12:02 p.m. UTC 
Compile the pin multiplexing only on Kirkwood platforms. As the
Armada XP doesn't need it.

Signed-off-by: Stefan Roese <sr@denx.de>

Acked-by: Prafulla Wadaskar <prafulla@marvell.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Tested-by: Luka Perkov <luka@openwrt.org>
---

Changes in v3:
- Added Acked-by from Prafulla to all Kirkwood patches
- Added Tested-by from Luka
- Added Reviewed-by from Jagannadha

Changes in v2: None

 drivers/spi/kirkwood_spi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index 9710f12..ce2ba96 100644
--- 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);
 }