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authorGeert Uytterhoeven <geert+renesas@glider.be>2016-12-16 14:28:41 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2016-12-19 09:05:20 -0500
commitae7871be189cb41184f1e05742b4a99e2c59774d (patch)
tree153af0699fabd19f238d80917ff1b18cac6bcc87 /include/linux/swiotlb.h
parent6c206e4d99f2ed2a5a59875858e3beecc69b6474 (diff)
downloadlwn-ae7871be189cb41184f1e05742b4a99e2c59774d.tar.gz
lwn-ae7871be189cb41184f1e05742b4a99e2c59774d.zip
swiotlb: Convert swiotlb_force from int to enum
Convert the flag swiotlb_force from an int to an enum, to prepare for the advent of more possible values. Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/linux/swiotlb.h')
-rw-r--r--include/linux/swiotlb.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 183f37c8a5e1..71d104e4c849 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -9,7 +9,12 @@ struct device;
struct page;
struct scatterlist;
-extern int swiotlb_force;
+enum swiotlb_force {
+ SWIOTLB_NORMAL, /* Default - depending on HW DMA mask etc. */
+ SWIOTLB_FORCE, /* swiotlb=force */
+};
+
+extern enum swiotlb_force swiotlb_force;
/*
* Maximum allowable number of contiguous slabs to map,