summaryrefslogtreecommitdiffstats
path: root/include/asm-arm
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/bitops.h9
-rw-r--r--include/asm-arm/pci.h8
2 files changed, 16 insertions, 1 deletions
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 5c60bfc1a84d..9a1db20e032a 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -277,9 +277,16 @@ static inline int constant_fls(int x)
* the clz instruction for much better code efficiency.
*/
-#define fls(x) \
+#define __fls(x) \
( __builtin_constant_p(x) ? constant_fls(x) : \
({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
+
+/* Implement fls() in C so that 64-bit args are suitably truncated */
+static inline int fls(int x)
+{
+ return __fls(x);
+}
+
#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
#define __ffs(x) (ffs(x) - 1)
#define ffz(x) __ffs( ~(x) )
diff --git a/include/asm-arm/pci.h b/include/asm-arm/pci.h
index 75feb1574a69..2d84792f2e12 100644
--- a/include/asm-arm/pci.h
+++ b/include/asm-arm/pci.h
@@ -78,6 +78,14 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res)
return root;
}
+/*
+ * Dummy implementation; always return 0.
+ */
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+ return 0;
+}
+
#endif /* __KERNEL__ */
#endif
OpenPOWER on IntegriCloud