Le Sunday 11 July 2010 17:40:38, Bruno Randolf a écrit :
> Add some comments about mtx1_pci_idsel() and remove a dead block of old
> code.
>
> Signed-off-by: Bruno Randolf <br1@xxxxxxxxxxx>
Acked-by: Florian Fainelli <florian@xxxxxxxxxxx>
> ---
> arch/mips/alchemy/mtx-1/board_setup.c | 12 ++++--------
> 1 files changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/arch/mips/alchemy/mtx-1/board_setup.c
> b/arch/mips/alchemy/mtx-1/board_setup.c index 52d883d..3cf2fa2 100644
> --- a/arch/mips/alchemy/mtx-1/board_setup.c
> +++ b/arch/mips/alchemy/mtx-1/board_setup.c
> @@ -105,14 +105,10 @@ void __init board_setup(void)
> int
> mtx1_pci_idsel(unsigned int devsel, int assert)
> {
> -#define MTX_IDSEL_ONLY_0_AND_3 0
> -#if MTX_IDSEL_ONLY_0_AND_3
> - if (devsel != 0 && devsel != 3) {
> - printk(KERN_ERR "*** not 0 or 3\n");
> - return 0;
> - }
> -#endif
> -
> + /* This function is only necessary to support a proprietary Cardbus
> + * adapter on the mtx-1 "singleboard" variant. It triggers a custom
> + * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals.
> + */
> if (assert && devsel != 0)
> /* Suppress signal to Cardbus */
> alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */
