From: Andrew Bresticker Date: Mon, 20 Oct 2014 19:03:58 +0000 (-0700) Subject: MIPS: Move GIC clocksource driver to drivers/clocksource/ X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fa5635a277171021d364f6a3fab4addce8f358d2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git MIPS: Move GIC clocksource driver to drivers/clocksource/ Move the GIC clocksource driver to drivers/clocksource/mips-gic-timer.c. Signed-off-by: Andrew Bresticker Cc: Daniel Lezcano Cc: Thomas Gleixner Cc: Jason Cooper Cc: Paul Burton Cc: Qais Yousef Cc: John Crispin Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8133/ Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 3afb795c0125..5b690cf0fec7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -342,7 +342,7 @@ config MIPS_MALTA select BOOT_RAW select CEVT_R4K select CSRC_R4K - select CSRC_GIC + select CLKSRC_MIPS_GIC select DMA_MAYBE_COHERENT select GENERIC_ISA_DMA select HAVE_PCSPKR_PLATFORM @@ -385,7 +385,7 @@ config MIPS_SEAD3 select BUILTIN_DTB select CEVT_R4K select CSRC_R4K - select CSRC_GIC + select CLKSRC_MIPS_GIC select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_IRQ_EI select DMA_NONCOHERENT @@ -954,10 +954,6 @@ config CSRC_IOASIC config CSRC_R4K bool -config CSRC_GIC - select MIPS_CM - bool - config CSRC_SB1250 bool diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 0945d804ec3a..1aedbf5e4232 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -24,7 +24,6 @@ obj-$(CONFIG_CEVT_GT641XX) += cevt-gt641xx.o obj-$(CONFIG_CEVT_SB1250) += cevt-sb1250.o obj-$(CONFIG_CEVT_TXX9) += cevt-txx9.o obj-$(CONFIG_CSRC_BCM1480) += csrc-bcm1480.o -obj-$(CONFIG_CSRC_GIC) += csrc-gic.o obj-$(CONFIG_CSRC_IOASIC) += csrc-ioasic.o obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o diff --git a/arch/mips/kernel/csrc-gic.c b/arch/mips/kernel/csrc-gic.c deleted file mode 100644 index 0bf28e6aca7a..000000000000 --- a/arch/mips/kernel/csrc-gic.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include -#include -#include - -static cycle_t gic_hpt_read(struct clocksource *cs) -{ - return gic_read_count(); -} - -static struct clocksource gic_clocksource = { - .name = "GIC", - .read = gic_hpt_read, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -void __init gic_clocksource_init(unsigned int frequency) -{ - /* Set clocksource mask. */ - gic_clocksource.mask = CLOCKSOURCE_MASK(gic_get_count_width()); - - /* Calculate a somewhat reasonable rating value. */ - gic_clocksource.rating = 200 + frequency / 10000000; - - clocksource_register_hz(&gic_clocksource, frequency); -} diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 608655f8e6dd..028fae077001 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -183,7 +183,7 @@ void __init plat_time_init(void) freq = freqround(gic_frequency, 5000); printk("GIC frequency %d.%02d MHz\n", freq/1000000, (freq%1000000)*100/1000000); -#ifdef CONFIG_CSRC_GIC +#ifdef CONFIG_CLKSRC_MIPS_GIC gic_clocksource_init(gic_frequency); #endif } diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 90420600e1eb..cb7e7f417a60 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -223,4 +223,8 @@ config CLKSRC_VERSATILE ARM Versatile, RealView and Versatile Express reference platforms. +config CLKSRC_MIPS_GIC + bool + depends on MIPS_GIC + endmenu diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 756f6f10efa0..e23fc2d5fc27 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -46,3 +46,4 @@ obj-$(CONFIG_CLKSRC_METAG_GENERIC) += metag_generic.o obj-$(CONFIG_ARCH_HAS_TICK_BROADCAST) += dummy_timer.o obj-$(CONFIG_ARCH_KEYSTONE) += timer-keystone.o obj-$(CONFIG_CLKSRC_VERSATILE) += versatile.o +obj-$(CONFIG_CLKSRC_MIPS_GIC) += mips-gic-timer.o diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c new file mode 100644 index 000000000000..0bf28e6aca7a --- /dev/null +++ b/drivers/clocksource/mips-gic-timer.c @@ -0,0 +1,32 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. + */ +#include +#include +#include + +static cycle_t gic_hpt_read(struct clocksource *cs) +{ + return gic_read_count(); +} + +static struct clocksource gic_clocksource = { + .name = "GIC", + .read = gic_hpt_read, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +void __init gic_clocksource_init(unsigned int frequency) +{ + /* Set clocksource mask. */ + gic_clocksource.mask = CLOCKSOURCE_MASK(gic_get_count_width()); + + /* Calculate a somewhat reasonable rating value. */ + gic_clocksource.rating = 200 + frequency / 10000000; + + clocksource_register_hz(&gic_clocksource, frequency); +} diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index fbe2ceda4928..035d5ad435f9 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -103,7 +103,7 @@ static inline void gic_map_to_vpe(unsigned int intr, unsigned int vpe) GIC_SH_MAP_TO_VPE_REG_BIT(vpe)); } -#if defined(CONFIG_CSRC_GIC) || defined(CONFIG_CEVT_GIC) +#if defined(CONFIG_CLKSRC_MIPS_GIC) || defined(CONFIG_CEVT_GIC) cycle_t gic_read_count(void) { unsigned int hi, hi2, lo;