hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

irqchip/gic-v3-its: Simplify LPI_PENDBASE_SZ usage 

LPI_PENDING_SZ is always used in conjunction with a max(), which doesn't
make much sense, since we're guaranteed that LPI_PENDING_SZ is already
aligned to 64K. Let's remove it.

Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Bhupesh Sharma <bhsharma@redhat.com>
Tested-by: Lei Zhang <zhang.lei@jp.fujitsu.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier 2018-07-17 18:06:39 +01:00
parent d38a71c545
commit adaab500dd
1 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/irqchip/irq-gic-v3-its.c
View File

@ -1924,12 +1924,9 @@ static int its_alloc_collections(struct its_node *its)
static struct page *its_allocate_pending_table(gfp_t gfp_flags)
{
struct page *pend_page;
/*
* The pending pages have to be at least 64kB aligned,
* hence the 'max(LPI_PENDBASE_SZ, SZ_64K)' below.
*/
pend_page = alloc_pages(gfp_flags | __GFP_ZERO,
get_order(max_t(u32, LPI_PENDBASE_SZ, SZ_64K)));
get_order(LPI_PENDBASE_SZ));
if (!pend_page)
return NULL;
@ -1941,8 +1938,7 @@ static struct page *its_allocate_pending_table(gfp_t gfp_flags)
static void its_free_pending_table(struct page *pt)
{
free_pages((unsigned long)page_address(pt),
get_order(max_t(u32, LPI_PENDBASE_SZ, SZ_64K)));
free_pages((unsigned long)page_address(pt), get_order(LPI_PENDBASE_SZ));
}
static void its_cpu_init_lpis(void)