[PATCH] powerpc/fsl-booke: Fix comments that refer to BAT registers
beckyb at kernel.crashing.org
Thu Jul 1 05:42:51 EST 2010
There are no BATS on BookE - we have the TLBCAM instead. Also correct
the page size information to included extended (1G and 4G) sizes.
Signed-off-by: Becky Bruce <beckyb at kernel.crashing.org>
Lame, I know, but this drives me batty every time I see it, and I've had
customers get confused because of it. I've finally gotten irritated enough
to send a patch.
arch/powerpc/mm/fsl_booke_mmu.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index cdc7526..681429d 100644
@@ -104,9 +104,9 @@ unsigned long p_mapped_by_tlbcam(phys_addr_t pa)
- * Set up one of the I/D BAT (block address translation) register pairs.
- * The parameters are not checked; in particular size must be a power
- * of 4 between 4k and 256M.
+ * Set up a variable-size TLB entry (tlbcam). The parameters are not checked;
+ * in particular size must be a power of 4 between 4k and 256M (or 4G, for cpus
+ * that support extended page sizes).
static void settlbcam(int index, unsigned long virt, phys_addr_t phys,
unsigned long size, unsigned long flags, unsigned int pid)
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