Home Home > GIT Browse
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-02-17 11:50:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-17 11:50:53 -0800
commitc28b947d048d6539389309af70be0ac599122ec0 (patch)
tree47bfd18ffa68cedaf9eb2f3dc15c120ddc6cc70b
parent35683dd326b89751b5b45cb188978c83b22729c5 (diff)
parent43f3408261a2fd5054ada359efa15f0b78faf0a7 (diff)
Merge tag 'devicetree-fixes-for-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring: - Fix irq msi-map calculation for nonzero rid-base. - Binding doc updates for GICv3, fsl-imx-uart, and S3C RTC. * tag 'devicetree-fixes-for-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: rtc: s3c: Document required clocks in the DT binding serial: fsl-imx-uart: Fix typo in fsl,dte-mode description dt-bindings: arm, gic-v3: require that reserved cells are always 0 of/irq: Fix msi-map calculation for nonzero rid-base
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt5
-rw-r--r--Documentation/devicetree/bindings/rtc/s3c-rtc.txt6
-rw-r--r--Documentation/devicetree/bindings/serial/fsl-imx-uart.txt2
-rw-r--r--drivers/of/irq.c9
4 files changed, 17 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
index 7803e77d85cb..007a5b46256a 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
@@ -24,9 +24,8 @@ Main node required properties:
1 = edge triggered
4 = level triggered
- Cells 4 and beyond are reserved for future use. When the 1st cell
- has a value of 0 or 1, cells 4 and beyond act as padding, and may be
- ignored. It is recommended that padding cells have a value of 0.
+ Cells 4 and beyond are reserved for future use and must have a value
+ of 0 if present.
- reg : Specifies base physical address(s) and size of the GIC
registers, in the following order:
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
index ac2fcd6ff4b8..1068ffce9f91 100644
--- a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
@@ -14,6 +14,10 @@ Required properties:
interrupt number is the rtc alarm interrupt and second interrupt number
is the rtc tick interrupt. The number of cells representing a interrupt
depends on the parent interrupt controller.
+- clocks: Must contain a list of phandle and clock specifier for the rtc
+ and source clocks.
+- clock-names: Must contain "rtc" and "rtc_src" entries sorted in the
+ same order as the clocks property.
Example:
@@ -21,4 +25,6 @@ Example:
compatible = "samsung,s3c6410-rtc";
reg = <0x10070000 0x100>;
interrupts = <44 0 45 0>;
+ clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
+ clock-names = "rtc", "rtc_src";
};
diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
index 35ae1fb3537f..ed94c217c98d 100644
--- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
+++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
@@ -9,7 +9,7 @@ Optional properties:
- fsl,uart-has-rtscts : Indicate the uart has rts and cts
- fsl,irda-mode : Indicate the uart supports irda mode
- fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
- is DCE mode by default.
+ in DCE mode by default.
Note: Each uart controller should have an alias correctly numbered
in "aliases" node.
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 7ee21ae305ae..e7bfc175b8e1 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -635,6 +635,13 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np,
msi_base = be32_to_cpup(msi_map + 2);
rid_len = be32_to_cpup(msi_map + 3);
+ if (rid_base & ~map_mask) {
+ dev_err(parent_dev,
+ "Invalid msi-map translation - msi-map-mask (0x%x) ignores rid-base (0x%x)\n",
+ map_mask, rid_base);
+ return rid_out;
+ }
+
msi_controller_node = of_find_node_by_phandle(phandle);
matched = (masked_rid >= rid_base &&
@@ -654,7 +661,7 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np,
if (!matched)
return rid_out;
- rid_out = masked_rid + msi_base;
+ rid_out = masked_rid - rid_base + msi_base;
dev_dbg(dev,
"msi-map at: %s, using mask %08x, rid-base: %08x, msi-base: %08x, length: %08x, rid: %08x -> %08x\n",
dev_name(parent_dev), map_mask, rid_base, msi_base,