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ARC: Cache: Move PAE exists check into slc_upper_region_init()

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Move check for PAE existence into slc_upper_region_init()
instead of its caller as more appropriate place.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Eugeniy Paltsev
2018-03-21 15:58:58 +03:00
committed by Alexey Brodkin
parent bf8974eda4
commit 246ba284ec
1 changed files with 9 additions and 6 deletions
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15
arch/arc/lib/cache.c
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@@ -192,6 +192,14 @@ static void __slc_entire_op(const int op)
static void slc_upper_region_init(void) static void slc_upper_region_init(void)
{ {
/*
* ARC_AUX_SLC_RGN_START1 and ARC_AUX_SLC_RGN_END1 register exist
* only if PAE exists in current HW. So we had to check pae_exist
* before using them.
*/
if (!pae_exists())
return;
/* /*
* ARC_AUX_SLC_RGN_END1 and ARC_AUX_SLC_RGN_START1 are always == 0 * ARC_AUX_SLC_RGN_END1 and ARC_AUX_SLC_RGN_START1 are always == 0
* as we don't use PAE40. * as we don't use PAE40.
@@ -334,12 +342,7 @@ void cache_init(void)
if (is_isa_arcv2() && ioc_exists) if (is_isa_arcv2() && ioc_exists)
arc_ioc_setup(); arc_ioc_setup();
/* if (is_isa_arcv2() && slc_exists())
* ARC_AUX_SLC_RGN_START1 and ARC_AUX_SLC_RGN_END1 register exist
* only if PAE exists in current HW. So we had to check pae_exist
* before using them.
*/
if (is_isa_arcv2() && slc_exists() && pae_exists())
slc_upper_region_init(); slc_upper_region_init();
} }