Re: [PATCH v2] r8169: default to 64-bit DMA on recent PCIe chips

2016-05-17 Thread David Miller
From: Ard Biesheuvel Date: Sat, 14 May 2016 22:40:15 +0200 > The current logic around the 'use_dac' module parameter prevents the > r81969 driver from being loadable on 64-bit systems without any RAM > below 4 GB when the parameter is left at its default value. > > So

Re: [PATCH v2] r8169: default to 64-bit DMA on recent PCIe chips

2016-05-16 Thread Francois Romieu
Ard Biesheuvel : [...] > This is a followup to 'r8169: default to 64-bit DMA on systems without memory > below 4 GB' [1]. At the request of Francois, this version bases the decision > whether to use 64-bit DMA by default on whether the device is PCIe and > sufficiently

[PATCH v2] r8169: default to 64-bit DMA on recent PCIe chips

2016-05-14 Thread Ard Biesheuvel
The current logic around the 'use_dac' module parameter prevents the r81969 driver from being loadable on 64-bit systems without any RAM below 4 GB when the parameter is left at its default value. So introduce a new default value -1 which indicates that 64-bit DMA should be enabled on