This allows a final, board specific, step in the claim/relase_bus
function for the SPI controller, which may be needed for some hardware
designs.
Signed-off-by: Valentin Longchamp <valentin.longch...@keymile.com>
cc: Holger Brunck <holger.bru...@keymile.com>
cc: Prafulla Wadaskar <prafu...@marvell.com>
---
drivers/spi/kirkwood_spi.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index a3e6b6e..a0da527 100644
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -88,6 +88,11 @@ void spi_free_slave(struct spi_slave *slave)
u32 spi_mpp_backup[4];
#endif
+__attribute__((weak)) int board_spi_claim_bus(struct spi_slave *slave)
+{
+ return 0;
+}
+
int spi_claim_bus(struct spi_slave *slave)
{
#if defined(CONFIG_SYS_KW_SPI_MPP)
@@ -121,7 +126,11 @@ int spi_claim_bus(struct spi_slave *slave)
kirkwood_mpp_conf(spi_mpp_config);
#endif
- return 0;
+ return board_spi_claim_bus(slave);
+}
+
+__attribute__((weak)) void board_spi_release_bus(struct spi_slave *slave)
+{
}
void spi_release_bus(struct spi_slave *slave)
@@ -129,6 +138,8 @@ void spi_release_bus(struct spi_slave *slave)
#if defined(CONFIG_SYS_KW_SPI_MPP)
kirkwood_mpp_conf(spi_mpp_backup);
#endif
+
+ board_spi_release_bus(slave);
}
#ifndef CONFIG_SPI_CS_IS_VALID
--
1.7.1
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