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.longchamp@keymile.com cc: Holger Brunck holger.brunck@keymile.com cc: Prafulla Wadaskar prafulla@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 db4bb0a..f4523a3 100644 --- a/drivers/spi/kirkwood_spi.c +++ b/drivers/spi/kirkwood_spi.c @@ -87,6 +87,11 @@ 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) @@ -118,7 +123,11 @@ int spi_claim_bus(struct spi_slave *slave)
#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) @@ -126,6 +135,8 @@ void spi_release_bus(struct spi_slave *slave) #if defined(CONFIG_SYS_KW_SPI_MPP) kirkwood_mpp_conf(spi_mpp_backup, NULL); #endif + + board_spi_release_bus(slave); }
#ifndef CONFIG_SPI_CS_IS_VALID