This is a note to let you know that I've just added the patch titled
spi: pl022: Specify 'num-cs' property as required in devicetree binding
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-pl022-specify-num-cs-property-as-required-in-devicetree-binding.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ea6055c46eda1e19e02209814955e13f334bbe1b Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 11 May 2015 12:20:18 -0300
Subject: spi: pl022: Specify 'num-cs' property as required in devicetree binding
From: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
commit ea6055c46eda1e19e02209814955e13f334bbe1b upstream.
Since commit 39a6ac11df65 ("spi/pl022: Devicetree support w/o platform data")
the 'num-cs' parameter cannot be passed through platform data when probing
with devicetree. Instead, it's a required devicetree property.
Fix the binding documentation so the property is properly specified.
Fixes: 39a6ac11df65 ("spi/pl022: Devicetree support w/o platform data")
Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/spi/spi_pl022.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/devicetree/bindings/spi/spi_pl022.txt
+++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt
@@ -4,9 +4,9 @@ Required properties:
- compatible : "arm,pl022", "arm,primecell"
- reg : Offset and length of the register set for the device
- interrupts : Should contain SPI controller interrupt
+- num-cs : total number of chipselects
Optional properties:
-- num-cs : total number of chipselects
- cs-gpios : should specify GPIOs used for chipselects.
The gpios will be referred to as reg = <index> in the SPI child nodes.
If unspecified, a single SPI device without a chip select can be used.
Patches currently in stable-queue which might be from ezequiel@xxxxxxxxxxxxxxxxxxxx are
queue-3.10/spi-pl022-specify-num-cs-property-as-required-in-devicetree-binding.patch
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