[PATCH 09/10] staging: gasket: page_table: use total_entries for max ext lvl0 page idx

From: Todd Poynor
Date: Mon Sep 17 2018 - 08:39:59 EST


From: Nick Ewalt <nicholasewalt@xxxxxxxxxx>

The maximum number of entries in the page table is configurable at
initialization time and should be used in gasket_extended_lvl0_page_idx.

Signed-off-by: Nick Ewalt <nicholasewalt@xxxxxxxxxx>
Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx>
---
drivers/staging/gasket/gasket_page_table.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 779ad2f23ef9b..8364b49f147c2 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -562,7 +562,7 @@ static ulong gasket_extended_lvl0_page_idx(struct gasket_page_table *pg_tbl,
ulong dev_addr)
{
return (dev_addr >> GASKET_EXTENDED_LVL0_SHIFT) &
- ((1 << GASKET_EXTENDED_LVL0_WIDTH) - 1);
+ (pg_tbl->config.total_entries - 1);
}

/*
--
2.19.0.397.gdd90340f6a-goog