[U-Boot] [PATCH v2] spi/kirkwood: add weak functions board_spi_bus_claim/release

Valentin Longchamp
2012-03-26T09:58:52Z

Some kirkwood based boards may need to implement such function due to
some HW designs.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Holger Brunck <holger.brunck@keymile.com>
---
drivers/spi/kirkwood_spi.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index db8ba8b..058dae2 100644
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -86,13 +86,23 @@ void spi_free_slave(struct spi_slave *slave)
free(slave);
}

-int spi_claim_bus(struct spi_slave *slave)
+__attribute__((weak)) int board_spi_claim_bus(struct spi_slave *slave)
{
return 0;
}

+int spi_claim_bus(struct spi_slave *slave)
+{
+ 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)
{
+ board_spi_release_bus(slave);
}

#ifndef CONFIG_SPI_CS_IS_VALID
--
1.7.1