Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
+8
-3
+8
-3
drivers/of/address.c
+8
-3
drivers/of/address.c
···
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450
return NULL;
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451
}
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453
-
static int of_empty_ranges_quirk(void)
453
+
static int of_empty_ranges_quirk(struct device_node *np)
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{
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if (IS_ENABLED(CONFIG_PPC)) {
456
-
/* To save cycles, we cache the result */
456
+
/* To save cycles, we cache the result for global "Mac" setting */
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457
static int quirk_state = -1;
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458
459
+
/* PA-SEMI sdc DT bug */
460
+
if (of_device_is_compatible(np, "1682m-sdc"))
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+
return true;
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+
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+
/* Make quirk cached */
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if (quirk_state < 0)
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quirk_state =
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466
of_machine_is_compatible("Power Macintosh") ||
···
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490
* This code is only enabled on powerpc. --gcl
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*/
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ranges = of_get_property(parent, rprop, &rlen);
498
-
if (ranges == NULL && !of_empty_ranges_quirk()) {
493
+
if (ranges == NULL && !of_empty_ranges_quirk(parent)) {
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pr_debug("OF: no ranges; cannot translate\n");
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return 1;
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496
}