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authorTakashi Iwai <tiwai@suse.de>2012-04-07 12:28:00 +0200
committerTakashi Iwai <tiwai@suse.de>2012-04-07 12:28:00 +0200
commitc38f62b08d800104fa9b0e9d6e9141459986c06d (patch)
tree1d04d768c8aa0c1a544d1f068317c7beb0101be2 /include/asm-generic/io-64-nonatomic-lo-hi.h
parentALSA: hda - clean up CX20549 test mixer setup (diff)
parentASoC: tegra: fix i2s compilation when !CONFIG_DEBUG_FS (diff)
downloadlinux-dev-c38f62b08d800104fa9b0e9d6e9141459986c06d.tar.xz
linux-dev-c38f62b08d800104fa9b0e9d6e9141459986c06d.zip
Merge tag 'asoc-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: fixes for 3.4 A bunch of driver-specific fixes and one generic fix for the new support for platform DAPM contexts - we were picking the wrong default for the idle_bias_off setting which was meaning we weren't actually achieving any useful runtime PM on platform devices.
Diffstat (limited to 'include/asm-generic/io-64-nonatomic-lo-hi.h')
-rw-r--r--include/asm-generic/io-64-nonatomic-lo-hi.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-generic/io-64-nonatomic-lo-hi.h b/include/asm-generic/io-64-nonatomic-lo-hi.h
new file mode 100644
index 000000000000..ca546b1ff8b5
--- /dev/null
+++ b/include/asm-generic/io-64-nonatomic-lo-hi.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_IO_64_NONATOMIC_LO_HI_H_
+#define _ASM_IO_64_NONATOMIC_LO_HI_H_
+
+#include <linux/io.h>
+#include <asm-generic/int-ll64.h>
+
+#ifndef readq
+static inline __u64 readq(const volatile void __iomem *addr)
+{
+ const volatile u32 __iomem *p = addr;
+ u32 low, high;
+
+ low = readl(p);
+ high = readl(p + 1);
+
+ return low + ((u64)high << 32);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(__u64 val, volatile void __iomem *addr)
+{
+ writel(val, addr);
+ writel(val >> 32, addr + 4);
+}
+#endif
+
+#endif /* _ASM_IO_64_NONATOMIC_LO_HI_H_ */