On 29 June 2017 02:33:28 BST, Huacai Chen <chenhc@xxxxxxxxxx> wrote:
>Hi, James,
>
>Is it suitable to add this line in arch/mips/include/asm/mmzone.h?
>#define pa_to_nid(addr) 0
It was basically malta_defconfig.
OTOH when i tried including asm/mmzone.h, that tries including <mmzone.h> which it can't find.
Cheers
Jamee
>
>Huacai
>
>On Wed, Jun 28, 2017 at 10:30 PM, James Hogan <james.hogan@xxxxxxxxxx>
>wrote:
>> Hi Huacai,
>>
>> On Thu, Jun 22, 2017 at 11:06:49PM +0800, Huacai Chen wrote:
>>> @@ -839,9 +860,12 @@ static void r4k_dma_cache_wback_inv(unsigned
>long addr, unsigned long size)
>>>
>>> preempt_disable();
>>> if (cpu_has_inclusive_pcaches) {
>>> - if (size >= scache_size)
>>> - r4k_blast_scache();
>>> - else
>>> + if (size >= scache_size) {
>>> + if (current_cpu_type() != CPU_LOONGSON3)
>>> + r4k_blast_scache();
>>> + else
>>> +
>r4k_blast_scache_node(pa_to_nid(addr));
>>> + } else
>>> blast_scache_range(addr, addr + size);
>>> preempt_enable();
>>> __sync();
>>> @@ -872,9 +896,12 @@ static void r4k_dma_cache_inv(unsigned long
>addr, unsigned long size)
>>>
>>> preempt_disable();
>>> if (cpu_has_inclusive_pcaches) {
>>> - if (size >= scache_size)
>>> - r4k_blast_scache();
>>> - else {
>>> + if (size >= scache_size) {
>>> + if (current_cpu_type() != CPU_LOONGSON3)
>>> + r4k_blast_scache();
>>> + else
>>> +
>r4k_blast_scache_node(pa_to_nid(addr));
>>
>> malta_defconfig now fails to build:
>>
>> arch/mips/mm/c-r4k.c: In function ‘r4k_dma_cache_wback_inv’:
>> arch/mips/mm/c-r4k.c:867:5: error: implicit declaration of function
>‘pa_to_nid’ [-Werror=implicit-function-declaration]
>> r4k_blast_scache_node(pa_to_nid(addr));
>> ^
>>
>> Cheers
>> James
--
James Hogan
