Messages in this thread Patch in this message | | | From | Sebastian Hesselbarth <> | Subject | [PATCH 5/5] ARM: iwmmxt: allow to build iWMMXt on Marvell PJ4B | Date | Tue, 15 Apr 2014 20:16:03 +0200 |
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Some Marvell PJ4B CPUs also implement iWMMXt extensions. With a proper check for iWMMXt coprocessors now in place, enable it by default on PJ4B. While at it, also allow to manually select the corresponding Kconfig option.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> --- Cc: Russell King <linux@arm.linux.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Cc: Kevin Hilman <khilman@linaro.org> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Chao Xie <xiechao.mail@gmail.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/Kconfig | 6 +++--- arch/arm/kernel/Makefile | 1 + 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ab438cb5af55..fcf36d11f922 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1110,9 +1110,9 @@ config ARM_NR_BANKS default 8 config IWMMXT - bool "Enable iWMMXt support" if !CPU_PJ4 - depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 - default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 + bool "Enable iWMMXt support" + depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B + default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B help Enable support for iWMMXt context switching at run time if running on a CPU that supports it. diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index a766bcbaf8ad..040619c32d68 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -79,6 +79,7 @@ obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o +obj-$(CONFIG_CPU_PJ4B) += pj4-cp0.o obj-$(CONFIG_IWMMXT) += iwmmxt.o obj-$(CONFIG_PERF_EVENTS) += perf_regs.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o perf_event_cpu.o -- 1.9.1
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