Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (103 commits) ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900 ARM: 5939/1: ARM: Add option CMDLINE_FORCE to force usage of the in-kernel cmdline ARM: 6140/1: silence a bogus sparse warning in unwind.c ARM: mach-at91: duplicated include ARM: arch/arm/nwfpe/fpsr.h: Checkpatch cleanup ARM: arch/arm/mach-shark/pci.c: Checkpatch cleanup ARM: arch/arm/nwfpe/ChangeLog: Checkpatch cleanup ARM: arch/arm/mach-sa1100/leds.c: Checkpatch cleanup ARM: arch/arm/mach-h720x/common.h: Checkpatch cleanup ARM: arch/arm/mach-footbridge/ebsa285-pci.c: Checkpatch cleanup ARM: arch/arm/mach-clps711x/Makefile.boot: Checkpatch cleanup ARM: arch/arm/boot/bootp/bootp.lds: Checkpatch cleanup ARM: SPEAR6xx: remove duplicated #include ARM: s3c6400_defconfig: Add NAND driver ARM: s3c6400_defconfig: enable sound as modules ARM: s3c6400_defconfig: enable power management ARM: s5pv210_defconfig: Update s5pv210_defconfig to v2.6.34 ARM: s5pc110_defconfig: Update s5pc110_defconfig to v2.6.34 ARM: s5p6442_defconfig: Update s5p6442_defconfig to v2.6.34 ARM: s5p6440_defconfig: Update s5p6440_defconfig to v2.6.34 ...
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@@ -15,6 +15,10 @@
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#include <linux/amba/bus.h>
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#include <linux/hw_random.h>
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#include <linux/io.h>
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#include <linux/clk.h>
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#include <linux/err.h>
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static struct clk *rng_clk;
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static int nmk_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
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{
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@@ -40,6 +44,15 @@ static int nmk_rng_probe(struct amba_device *dev, struct amba_id *id)
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void __iomem *base;
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int ret;
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rng_clk = clk_get(&dev->dev, NULL);
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if (IS_ERR(rng_clk)) {
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dev_err(&dev->dev, "could not get rng clock\n");
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ret = PTR_ERR(rng_clk);
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return ret;
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}
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clk_enable(rng_clk);
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ret = amba_request_regions(dev, dev->dev.init_name);
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if (ret)
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return ret;
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@@ -57,6 +70,8 @@ out_unmap:
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iounmap(base);
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out_release:
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amba_release_regions(dev);
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clk_disable(rng_clk);
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clk_put(rng_clk);
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return ret;
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}
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@@ -66,6 +81,8 @@ static int nmk_rng_remove(struct amba_device *dev)
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hwrng_unregister(&nmk_rng);
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iounmap(base);
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amba_release_regions(dev);
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clk_disable(rng_clk);
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clk_put(rng_clk);
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return 0;
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}
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