ARM: plat-nomadik: get rid of global mtu base pointer
Pass the base offset to the Nomadik MTU timer in the init call
instead of keeping a global pointer to be assigned.
Acked-by: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 7c878bf..b77cb84 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -27,11 +27,11 @@
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
+#include <asm/mach/time.h>
#include <plat/gpio-nomadik.h>
#include <plat/mtu.h>
-#include <mach/setup.h>
#include <mach/nand.h>
#include <mach/fsmc.h>
@@ -255,10 +255,7 @@
src_cr |= SRC_CR_INIT_VAL;
writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
- /* Save global pointer to mtu, used by platform timer code */
- mtu_base = io_p2v(NOMADIK_MTU0_BASE);
-
- nmdk_timer_init();
+ nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
}
static struct sys_timer nomadik_timer = {
diff --git a/arch/arm/mach-nomadik/include/mach/setup.h b/arch/arm/mach-nomadik/include/mach/setup.h
deleted file mode 100644
index bcaeaf4..0000000
--- a/arch/arm/mach-nomadik/include/mach/setup.h
+++ /dev/null
@@ -1,19 +0,0 @@
-
-/*
- * These symbols are needed for board-specific files to call their
- * own cpu-specific files
- */
-
-#ifndef __ASM_ARCH_SETUP_H
-#define __ASM_ARCH_SETUP_H
-
-#include <asm/mach/time.h>
-#include <linux/init.h>
-
-#ifdef CONFIG_NOMADIK_8815
-
-extern void nmdk_timer_init(void);
-
-#endif /* NOMADIK_8815 */
-
-#endif /* __ASM_ARCH_SETUP_H */
diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h
index a7d363f..93d4039 100644
--- a/arch/arm/mach-ux500/include/mach/setup.h
+++ b/arch/arm/mach-ux500/include/mach/setup.h
@@ -27,9 +27,6 @@
extern void __init db5500_dma_init(void);
-/* We re-use nomadik_timer for this platform */
-extern void nmdk_timer_init(void);
-
struct amba_device;
extern void __init amba_add_devices(struct amba_device *devs[], int num);
diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c
index aea467d..fd00024 100644
--- a/arch/arm/mach-ux500/timer.c
+++ b/arch/arm/mach-ux500/timer.c
@@ -17,19 +17,20 @@
static void __init ux500_timer_init(void)
{
+ void __iomem *mtu_timer_base;
void __iomem *prcmu_timer_base;
if (cpu_is_u5500()) {
#ifdef CONFIG_LOCAL_TIMERS
twd_base = __io_address(U5500_TWD_BASE);
#endif
- mtu_base = __io_address(U5500_MTU0_BASE);
+ mtu_timer_base = __io_address(U5500_MTU0_BASE);
prcmu_timer_base = __io_address(U5500_PRCMU_TIMER_3_BASE);
} else if (cpu_is_u8500()) {
#ifdef CONFIG_LOCAL_TIMERS
twd_base = __io_address(U8500_TWD_BASE);
#endif
- mtu_base = __io_address(U8500_MTU0_BASE);
+ mtu_timer_base = __io_address(U8500_MTU0_BASE);
prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE);
} else {
ux500_unknown_soc();
@@ -52,7 +53,7 @@
*
*/
- nmdk_timer_init();
+ nmdk_timer_init(mtu_timer_base);
clksrc_dbx500_prcmu_init(prcmu_timer_base);
}
diff --git a/arch/arm/plat-nomadik/include/plat/mtu.h b/arch/arm/plat-nomadik/include/plat/mtu.h
index 6508e76..582641f 100644
--- a/arch/arm/plat-nomadik/include/plat/mtu.h
+++ b/arch/arm/plat-nomadik/include/plat/mtu.h
@@ -1,9 +1,7 @@
#ifndef __PLAT_MTU_H
#define __PLAT_MTU_H
-/* should be set by the platform code */
-extern void __iomem *mtu_base;
-
+void nmdk_timer_init(void __iomem *base);
void nmdk_clkevt_reset(void);
void nmdk_clksrc_reset(void);
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index ad1b45b..46f50f2 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -66,12 +66,11 @@
#define MTU_PCELL2 0xff8
#define MTU_PCELL3 0xffC
+static void __iomem *mtu_base;
static bool clkevt_periodic;
static u32 clk_prescale;
static u32 nmdk_cycle; /* write-once */
-void __iomem *mtu_base; /* Assigned by machine code */
-
#ifdef CONFIG_NOMADIK_MTU_SCHED_CLOCK
/*
* Override the global weak sched_clock symbol with this
@@ -183,11 +182,12 @@
mtu_base + MTU_CR(0));
}
-void __init nmdk_timer_init(void)
+void __init nmdk_timer_init(void __iomem *base)
{
unsigned long rate;
struct clk *clk0;
+ mtu_base = base;
clk0 = clk_get_sys("mtu0", NULL);
BUG_ON(IS_ERR(clk0));