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 0877915..0e4db45 100644
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -86,6 +86,11 @@ void spi_free_slave(struct spi_slave *slave)
free(slave);
}
+__attribute__((weak)) int board_spi_claim_bus(struct spi_slave *slave)
+{
+ return 0;
+}
+
int spi_claim_bus(struct spi_slave *slave)
{
u32 config;
@@ -121,12 +126,18 @@ int spi_claim_bus(struct spi_slave *slave)
/* finally set chosen mpp spi configuration */
kirkwood_mpp_conf(spi_mpp_config);
- 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)
{
kirkwood_mpp_restore();
+
+ board_spi_release_bus(slave);
}
#ifndef CONFIG_SPI_CS_IS_VALID
--
1.7.1
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