Re: [PATCH 1/5] r8169: auto detect 32-bit slot

[Francois Romieu <romieu@xxxxxxxxxxxxx>]

Jon Mason <jdmason@xxxxxxxxxx> :
[...]
> +       if ((sizeof(dma_addr_t) > 4) &&
> +           (RTL_R32(Config2) & (1<<3)) && 
> +           !pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
> 
> For the above, I get 8 0 1 respectively.  So, my adapters fail because of the 
> 64bit slot test.  

Config2 can not be a replacement for "use_dac" then.

> If you like, I can try my stand-alone adapter in a 64bit slot of a ppc64 
> system.

It is not strictly necessary. Config2 ought to identify the 64bit slot at best.

Thanks.

--
Ueimor