Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 89ecd506 authored by Graf Yang's avatar Graf Yang Committed by Mike Frysinger
Browse files

Blackfin: fix handling of initial L1 reservation 



This restores some L1 reservation logic that was lost during the Blackfin
SMP merge.

Signed-off-by: default avatarGraf Yang <graf.yang@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent c72aa079

arch/blackfin/mm/sram-alloc.c

+10 −2
Original line number Diff line number Diff line
@@ -83,6 +83,14 @@ static struct kmem_cache *sram_piece_cache; 
static void __init l1sram_init(void)

{

	unsigned int cpu;

	unsigned long reserve;



#ifdef CONFIG_SMP

	reserve = 0;

#else

	reserve = sizeof(struct l1_scratch_task_info);

#endif



	for (cpu = 0; cpu < num_possible_cpus(); ++cpu) {

		per_cpu(free_l1_ssram_head, cpu).next =

			kmem_cache_alloc(sram_piece_cache, GFP_KERNEL);
@@ -91,8 +99,8 @@ static void __init l1sram_init(void) 
			return;

		}



		per_cpu(free_l1_ssram_head, cpu).next->paddr = (void *)get_l1_scratch_start_cpu(cpu);

		per_cpu(free_l1_ssram_head, cpu).next->size = L1_SCRATCH_LENGTH;

		per_cpu(free_l1_ssram_head, cpu).next->paddr = (void *)get_l1_scratch_start_cpu(cpu) + reserve;

		per_cpu(free_l1_ssram_head, cpu).next->size = L1_SCRATCH_LENGTH - reserve;

		per_cpu(free_l1_ssram_head, cpu).next->pid = 0;

		per_cpu(free_l1_ssram_head, cpu).next->next = NULL;