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
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