diff options
Diffstat (limited to 'arch/mips/alchemy/mtx-1')
| -rw-r--r-- | 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 def1a75d756..ff3697387b8 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -108,14 +108,10 @@ 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 */ |