Home Home > GIT Browse
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-03 10:15:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-03 10:15:19 -0700
commitccc20a3317c4985febbcb7e3d9e73ab639f45c0a (patch)
treec603d002596fe04b7a378c89ad549ae29d47588c
parentb010a0f77a9b3b05d6268d863695694c3d377847 (diff)
parent41d9489319f28f06cf51731131bc353d5a6bce59 (diff)
Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux
Pull devicetree fix from Grant Likely: "Simple bugfix for bad device tree data on the PA-Semi platform" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: drivers/of: Add empty ranges quirk for PA-Semi
-rw-r--r--drivers/of/address.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index ad2906919d45..78a7dcbec7d8 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -450,12 +450,17 @@ static struct of_bus *of_match_bus(struct device_node *np)
return NULL;
}
-static int of_empty_ranges_quirk(void)
+static int of_empty_ranges_quirk(struct device_node *np)
{
if (IS_ENABLED(CONFIG_PPC)) {
- /* To save cycles, we cache the result */
+ /* To save cycles, we cache the result for global "Mac" setting */
static int quirk_state = -1;
+ /* PA-SEMI sdc DT bug */
+ if (of_device_is_compatible(np, "1682m-sdc"))
+ return true;
+
+ /* Make quirk cached */
if (quirk_state < 0)
quirk_state =
of_machine_is_compatible("Power Macintosh") ||
@@ -490,7 +495,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
* This code is only enabled on powerpc. --gcl
*/
ranges = of_get_property(parent, rprop, &rlen);
- if (ranges == NULL && !of_empty_ranges_quirk()) {
+ if (ranges == NULL && !of_empty_ranges_quirk(parent)) {
pr_debug("OF: no ranges; cannot translate\n");
return 1;
}