[PATCH V3 2/2] ARM: tegra: move timer.c to drivers/clocksource/
From: Stephen Warren <hidden>
Date: 2012-11-20 19:20:33
Also in:
linux-tegra, lkml
Subsystem:
arm port, clocksource, clockevent drivers, the rest · Maintainers:
Russell King, Daniel Lezcano, Thomas Gleixner, Linus Torvalds
From: Stephen Warren <redacted>
Move arch/arm/mach-tegra/timer.c to drivers/clocksource/tegra20_timer.c
so that the code is co-located with other clocksource drivers, and to
reduce the size of the mach-tegra directory.
Signed-off-by: Stephen Warren <redacted>
---
v3: Rework using CLKSRC_OF_MATCH_TABLE() for registration, rather than a
manually maintained table in clksrc-of.c.
v2: Rebase on ARM sys_timer rework, and addition of clocksource_of_init().
---
arch/arm/Kconfig | 1 +
arch/arm/mach-tegra/Makefile | 1 -
arch/arm/mach-tegra/board-dt-tegra20.c | 3 ++-
arch/arm/mach-tegra/board-dt-tegra30.c | 3 ++-
arch/arm/mach-tegra/board.h | 1 -
drivers/clocksource/Makefile | 1 +
.../timer.c => drivers/clocksource/tegra20_timer.c | 12 +++++++-----
7 files changed, 13 insertions(+), 9 deletions(-)
rename arch/arm/mach-tegra/timer.c => drivers/clocksource/tegra20_timer.c (96%)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 14f8160..9eb54f6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig@@ -633,6 +633,7 @@ config ARCH_TEGRA select ARCH_HAS_CPUFREQ select CLKDEV_LOOKUP select CLKSRC_MMIO + select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS select GENERIC_GPIO
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 6f224f7..6ab3ed5 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile@@ -2,7 +2,6 @@ obj-y += common.o obj-y += io.o obj-y += irq.o obj-y += clock.o -obj-y += timer.o obj-y += fuse.o obj-y += pmc.o obj-y += flowctrl.o
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 794a7bf..0bee85a 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c@@ -15,6 +15,7 @@ * */ +#include <linux/clocksource.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h>
@@ -194,7 +195,7 @@ DT_MACHINE_START(TEGRA_DT, "nVidia Tegra20 (Flattened Device Tree)") .init_early = tegra20_init_early, .init_irq = tegra_dt_init_irq, .handle_irq = gic_handle_irq, - .init_time = tegra_init_timer, + .init_time = clocksource_of_init, .init_machine = tegra_dt_init, .init_late = tegra_dt_init_late, .restart = tegra_assert_system_reset,
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index 08d3b19..a2b6cf1 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c@@ -23,6 +23,7 @@ * */ +#include <linux/clocksource.h> #include <linux/kernel.h> #include <linux/of.h> #include <linux/of_address.h>
@@ -104,7 +105,7 @@ DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)") .init_early = tegra30_init_early, .init_irq = tegra_dt_init_irq, .handle_irq = gic_handle_irq, - .init_time = tegra_init_timer, + .init_time = clocksource_of_init, .init_machine = tegra30_dt_init, .init_late = tegra_init_late, .restart = tegra_assert_system_reset,
diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h
index 744cdd2..da8f5a3 100644
--- a/arch/arm/mach-tegra/board.h
+++ b/arch/arm/mach-tegra/board.h@@ -55,5 +55,4 @@ static inline int harmony_pcie_init(void) { return 0; } void __init tegra_paz00_wifikill_init(void); -extern void tegra_init_timer(void); #endif
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index 29017a3..ecf37f3 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile@@ -16,5 +16,6 @@ obj-$(CONFIG_CLKSRC_NOMADIK_MTU) += nomadik-mtu.o obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o obj-$(CONFIG_ARCH_BCM2835) += bcm2835_timer.o +obj-$(CONFIG_ARCH_TEGRA) += tegra20_timer.o obj-$(CONFIG_CLKSRC_ARM_GENERIC) += arm_generic.o
diff --git a/arch/arm/mach-tegra/timer.c b/drivers/clocksource/tegra20_timer.c
similarity index 96%
rename from arch/arm/mach-tegra/timer.c
rename to drivers/clocksource/tegra20_timer.c
index b0036e5..13636a4 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/drivers/clocksource/tegra20_timer.c@@ -1,6 +1,4 @@ /* - * arch/arch/mach-tegra/timer.c - * * Copyright (C) 2010 Google, Inc. * * Author:
@@ -33,8 +31,6 @@ #include <asm/smp_twd.h> #include <asm/sched_clock.h> -#include "board.h" - #define RTC_SECONDS 0x08 #define RTC_SHADOW_SECONDS 0x0c #define RTC_MILLISECONDS 0x10
@@ -168,7 +164,7 @@ static const struct of_device_id rtc_match[] __initconst = { {} }; -void __init tegra_init_timer(void) +static void __init tegra20_init_timer(void) { struct device_node *np; struct clk *clk;
@@ -286,3 +282,9 @@ void tegra_timer_resume(void) timer_writel(usec_config, TIMERUS_USEC_CFG); } #endif + +static const struct of_device_id tegra20_timer_match[] __initconst = { + { .compatible = "nvidia,tegra20-timer", .data = tegra20_init_timer }, + {} +}; +CLKSRC_OF_MATCH_TABLE(tegra20, tegra20_timer_match);
--
1.7.10.4