66548e4058
Add a driver for the hwrng found in power7+ systems, based on the existing code for the arch_get_random_long() hook. We only register a single instance of the driver, not one per device, because we use the existing per_cpu array of devices in the arch code. This means we always read from the "closest" device, avoiding inter-chip memory traffic. Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
31 lines
1.2 KiB
Makefile
31 lines
1.2 KiB
Makefile
#
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# Makefile for HW Random Number Generator (RNG) device drivers.
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#
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obj-$(CONFIG_HW_RANDOM) += rng-core.o
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rng-core-y := core.o
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obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o
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obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o
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obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o
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obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
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obj-$(CONFIG_HW_RANDOM_BCM63XX) += bcm63xx-rng.o
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obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
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obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
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n2-rng-y := n2-drv.o n2-asm.o
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obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o
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obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o
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obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
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obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o
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obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o
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obj-$(CONFIG_HW_RANDOM_TX4939) += tx4939-rng.o
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obj-$(CONFIG_HW_RANDOM_MXC_RNGA) += mxc-rnga.o
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obj-$(CONFIG_HW_RANDOM_OCTEON) += octeon-rng.o
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obj-$(CONFIG_HW_RANDOM_NOMADIK) += nomadik-rng.o
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obj-$(CONFIG_HW_RANDOM_PICOXCELL) += picoxcell-rng.o
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obj-$(CONFIG_HW_RANDOM_PPC4XX) += ppc4xx-rng.o
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obj-$(CONFIG_HW_RANDOM_PSERIES) += pseries-rng.o
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obj-$(CONFIG_HW_RANDOM_POWERNV) += powernv-rng.o
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obj-$(CONFIG_HW_RANDOM_EXYNOS) += exynos-rng.o
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obj-$(CONFIG_HW_RANDOM_TPM) += tpm-rng.o
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obj-$(CONFIG_HW_RANDOM_BCM2835) += bcm2835-rng.o
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