[U-Boot] [PATCH v2 4/4] kw_spi: add weak functions board_spi_claim/release_bus

[Prafulla Wadaskar]

> -----Original Message-----
> From: Valentin Longchamp [mailto:valentin.longchamp at keymile.com]
> Sent: 30 May 2012 21:12
> To: Prafulla Wadaskar
> Cc: Valentin Longchamp; holger.brunck at keymile.com; u-
> boot at lists.denx.de; Prafulla Wadaskar
> Subject: [PATCH v2 4/4] 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: Valentin Longchamp <valentin.longchamp at keymile.com>
> cc: Holger Brunck <holger.brunck at keymile.com>
> cc: Prafulla Wadaskar <prafulla at 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

Acked-By: Prafulla Wadaskar <Prafulla at marvell.com>

Regards..
Prafulla . . .