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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-06-08 10:49:28 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-06-08 10:49:28 -0700
commit00fda1682efdbd62a20a8a21aee52d994c323c7f (patch)
treef49cee6c892019f193bf29985604951dd81ea94d /drivers/irqchip/irq-gic-v3-its.c
parent1c4b1d73bacc546ba4e42f7eb4cb88c54139820b (diff)
parentd4a4f75cd8f29cd9464a5a32e9224a91571d6649 (diff)
downloadop-kernel-dev-00fda1682efdbd62a20a8a21aee52d994c323c7f.zip
op-kernel-dev-00fda1682efdbd62a20a8a21aee52d994c323c7f.tar.gz
Merge 4.1-rc7 into tty-next
This fixes up a merge issue with the amba-pl011.c driver, and we want the fixes in this branch as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 9687f8a..1b7e155 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -828,7 +828,14 @@ static int its_alloc_tables(struct its_node *its)
u64 typer = readq_relaxed(its->base + GITS_TYPER);
u32 ids = GITS_TYPER_DEVBITS(typer);
- order = get_order((1UL << ids) * entry_size);
+ /*
+ * 'order' was initialized earlier to the default page
+ * granule of the the ITS. We can't have an allocation
+ * smaller than that. If the requested allocation
+ * is smaller, round up to the default page granule.
+ */
+ order = max(get_order((1UL << ids) * entry_size),
+ order);
if (order >= MAX_ORDER) {
order = MAX_ORDER - 1;
pr_warn("%s: Device Table too large, reduce its page order to %u\n",
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