Commit 24934fea authored by Valentin Longchamp's avatar Valentin Longchamp Committed by Albert ARIBAUD

kw_spi: add weak functions board_spi_claim/release_bus

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: default avatarValentin Longchamp <valentin.longchamp@keymile.com>
cc: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
parent ac486e3b
......@@ -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
......
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