[patch 03/22] efficeon-agp: Add missing memory mask

Greg KH
2006-04-21T04:49:39Z

[-- Attachment #1: efficeon-agp-add-missing-memory-mask.patch --]
[-- Type: text/plain, Size: 1161 bytes --]

Original patch by Benjamin Herrenschmidt after debugging by Brian Hinz.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Brian Hinz <bphinz@hotmail.com>
Signed-off-by: H Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/char/agp/efficeon-agp.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

--- linux-2.6.16.9.orig/drivers/char/agp/efficeon-agp.c
+++ linux-2.6.16.9/drivers/char/agp/efficeon-agp.c
@@ -64,6 +64,12 @@ static struct gatt_mask efficeon_generic
{.mask = 0x00000001, .type = 0}
};

+/* This function does the same thing as mask_memory() for this chipset... */
+static inline unsigned long efficeon_mask_memory(unsigned long addr)
+{
+ return addr | 0x00000001;
+}
+
static struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
{
{256, 65536, 0},
@@ -251,7 +257,7 @@ static int efficeon_insert_memory(struct
last_page = NULL;
for (i = 0; i < count; i++) {
int index = pg_start + i;
- unsigned long insert = mem->memory[i];
+ unsigned long insert = efficeon_mask_memory(mem->memory[i]);

page = (unsigned int *) efficeon_private.l1_table[index >> 10];

--