On Sat, 22 Nov 2008 12:19:12 -0800 David Brownell <[EMAIL PROTECTED]> wrote:
> From: Ben Dooks <[EMAIL PROTECTED]>
>
> The spi master driver must have num_chipselect set to
> allow the bus to initialise. Pass this through the
> platform data.
>
> Signed-off-by: Ben Dooks <[EMAIL PROTECTED]>
> Signed-off-by: David Brownell <[EMAIL PROTECTED]>
> ---
> arch/arm/mach-s3c2410/include/mach/spi-gpio.h | 1 +
> drivers/spi/spi_s3c24xx_gpio.c | 1 +
> 2 files changed, 2 insertions(+)
>
> --- a/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
> +++ b/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
> @@ -18,6 +18,7 @@ struct s3c2410_spigpio_info {
> unsigned long pin_mosi;
> unsigned long pin_miso;
>
> + int num_chipselect;
> int bus_num;
>
> void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs);
> --- a/drivers/spi/spi_s3c24xx_gpio.c
> +++ b/drivers/spi/spi_s3c24xx_gpio.c
> @@ -118,6 +118,7 @@ static int s3c2410_spigpio_probe(struct
> /* setup spi bitbang adaptor */
> sp->bitbang.master = spi_master_get(master);
> sp->bitbang.master->bus_num = info->bus_num;
> + sp->bitbang.master->num_chipselect = info->num_chipselect;
> sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
>
> sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;
What are the consequences of not having this fix in one's kernel?
(ie: which kernel versions need this fix?)
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