On 8/19/20 3:37 AM, Edward Cree wrote:
> On 19/08/2020 01:28, Randy Dunlap wrote:
>> Hi,
>>
>> Does the drivers/net/ethernet/sfc/sfc driver require (expect)
>> dma_addr_t to be 64 bits (as opposed to 32 bits)?
>>
>> I see that several #defines in ef100_regs.h are 64...
>>
>> When used with DMA_BIT_
On Wed, Aug 19, 2020 at 11:37:00AM +0100, Edward Cree wrote:
> As far as I can tell, truncation to 32 bits is harmless ??? the
> ??called function (efx_init_io) already tries every mask from the
> ??passed one down to 32 bits in case of PCIe hardware limitations.
Which btw isn't needed. These day
On 19/08/2020 01:28, Randy Dunlap wrote:
> Hi,
>
> Does the drivers/net/ethernet/sfc/sfc driver require (expect)
> dma_addr_t to be 64 bits (as opposed to 32 bits)?
>
> I see that several #defines in ef100_regs.h are 64...
>
> When used with DMA_BIT_MASK(64), does the value just need to be
> trunca
