The documentation for the "interrupt-names" property only mentions the
per-channel interrupts, while the error interrupt has always been
mandatory, too.

Fixes: 10f5c8438475909a ("dmaengine: rcar-dmac: Add device tree bindings
documentation")
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
 Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt 
b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
index 3316a9c2e638b98c..79a204d50234f287 100644
--- a/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
+++ b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
@@ -30,8 +30,9 @@ Required Properties:
 
 - interrupts: interrupt specifiers for the DMAC, one for each entry in
   interrupt-names.
-- interrupt-names: one entry per channel, named "ch%u", where %u is the
-  channel number ranging from zero to the number of channels minus one.
+- interrupt-names: one entry for the error interrupt, named "error", plus one
+  entry per channel, named "ch%u", where %u is the channel number ranging from
+  zero to the number of channels minus one.
 
 - clock-names: "fck" for the functional clock
 - clocks: a list of phandle + clock-specifier pairs, one for each entry
-- 
2.7.4

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