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authorLinus Torvalds2014-04-11 22:35:49 +0200
committerLinus Torvalds2014-04-11 22:35:49 +0200
commit79d2d21ee06f3634423d1a45fb6ddfcae59061fd (patch)
tree16ddd4a4f0ccd337d57a24fbc51fadb4c6e4248d /Documentation
parentMerge tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kerne... (diff)
parentMerge remote-tracking branches 'spi/fix/complete', 'spi/fix/efm32', 'spi/fix/... (diff)
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Merge tag 'spi-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown: "A few driver specific fixes, the main one being the fix for handling of complete callbacks that are open coded in individual drivers to allow callers to omit the completion. As we move things into the core that sort of issue should become less and less common" * tag 'spi-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: qup: Depend on ARCH_QCOM spi: efm32: Update binding document to make "efm32,location" property optional spi: omap2-mcspi: Convert to use devm_kcalloc spi: Always check complete callback before calling it
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/spi/efm32-spi.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/efm32-spi.txt b/Documentation/devicetree/bindings/spi/efm32-spi.txt
index 8f081c96a4fa..130cd17e3680 100644
--- a/Documentation/devicetree/bindings/spi/efm32-spi.txt
+++ b/Documentation/devicetree/bindings/spi/efm32-spi.txt
@@ -8,7 +8,13 @@ Required properties:
- interrupts: pair specifying rx and tx irq
- clocks: phandle to the spi clock
- cs-gpios: see spi-bus.txt
-- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to configure the pinmux for the device, see datasheet for values.
+
+Recommended properties :
+- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to
+ configure the pinmux for the device, see datasheet for values.
+ If "efm32,location" property is not provided, keeping what is
+ already configured in the hardware, so its either the reset
+ default 0 or whatever the bootloader did.
Example: