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ramips: avoid invalid pointer dereference in pinmux code

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 36269
This commit is contained in:
Gabor Juhos 2013-04-08 08:24:50 +00:00
parent 4c85227cf4
commit cd7ce5226d
1 changed files with 5 additions and 2 deletions
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7
target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch
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@ -19,11 +19,14 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
u32 mode = 0;
np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-sysc");
@@ -76,5 +76,17 @@ void ralink_pinmux(void)
@@ -76,5 +76,20 @@ void ralink_pinmux(void)
if (wdt && *wdt && rt_pinmux.wdt_reset)
rt_pinmux.wdt_reset();
+ of_property_read_string(np, "ralink,pcimux", &pci);
+ pci = NULL;
+ if (rt_pinmux.pci)
+ of_property_read_string(np, "ralink,pcimux", &pci);
+
+ if (pci) {
+ int m = ralink_mux_mask(pci, rt_pinmux.pci);
+ mode &= ~(rt_pinmux.pci_mask << rt_pinmux.pci_shift);