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Merge tag 'devicetree-fixes-for-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

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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
This commit is contained in:
Linus Torvalds
2016-02-17 11:50:53 -08:00
parent 35683dd326 43f3408261
commit c28b947d04
4 changed files with 17 additions and 5 deletions
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9
drivers/of/irq.c
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@@ -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,