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ARM: 6483/1: arm & sh: factorised duplicated clkdev.c

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factorise some generic infrastructure to assist looking up struct clks
for the ARM & SH architecture.

as the code is identical at 99%

put the arch specific code for allocation as example in asm/clkdev.h

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Jean-Christop PLAGNIOL-VILLARD 2010-11-17 10:04:33 +01:00 committed by Russell King
parent 64d2dc384e
commit 6d803ba736
72 changed files with 157 additions and 336 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
arch/arm/Kconfig
View File

@ -221,7 +221,7 @@ config ARCH_INTEGRATOR
bool "ARM Ltd. Integrator family"
select ARM_AMBA
select ARCH_HAS_CPUFREQ
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select PLAT_VERSATILE
@ -231,7 +231,7 @@ config ARCH_INTEGRATOR
config ARCH_REALVIEW
bool "ARM Ltd. RealView family"
select ARM_AMBA
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
@ -245,7 +245,7 @@ config ARCH_VERSATILE
bool "ARM Ltd. Versatile family"
select ARM_AMBA
select ARM_VIC
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ICST
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
@ -259,7 +259,7 @@ config ARCH_VEXPRESS
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_TIMER_SP804
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select ICST
@ -280,7 +280,7 @@ config ARCH_BCMRING
depends on MMU
select CPU_V6
select ARM_AMBA
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
help
@ -327,7 +327,7 @@ config ARCH_EP93XX
select CPU_ARM920T
select ARM_AMBA
select ARM_VIC
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_USES_GETTIMEOFFSET
@ -347,14 +347,14 @@ config ARCH_MXC
bool "Freescale MXC/iMX-based"
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLKDEV
select CLKDEV_LOOKUP
help
Support for Freescale MXC/iMX-based family of processors
config ARCH_STMP3XXX
bool "Freescale STMP3xxx"
select CPU_ARM926T
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select USB_ARCH_HAS_EHCI
@ -472,7 +472,7 @@ config ARCH_LPC32XX
select HAVE_IDE
select ARM_AMBA
select USB_ARCH_HAS_OHCI
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
@ -506,7 +506,7 @@ config ARCH_MMP
bool "Marvell PXA168/910/MMP2"
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select TICK_ONESHOT
select PLAT_PXA
@ -539,7 +539,7 @@ config ARCH_W90X900
bool "Nuvoton W90X900 CPU"
select CPU_ARM926T
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
help
Support for Nuvoton (Winbond logic dept.) ARM9 processor,
@ -553,7 +553,7 @@ config ARCH_W90X900
config ARCH_NUC93X
bool "Nuvoton NUC93X CPU"
select CPU_ARM926T
select COMMON_CLKDEV
select CLKDEV_LOOKUP
help
Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
low-power and high performance MPEG-4/JPEG multimedia controller chip.
@ -564,7 +564,7 @@ config ARCH_TEGRA
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
select HAVE_CLK
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_HAS_BARRIERS if CACHE_L2X0
select ARCH_HAS_CPUFREQ
help
@ -574,7 +574,7 @@ config ARCH_TEGRA
config ARCH_PNX4008
bool "Philips Nexperia PNX4008 Mobile"
select CPU_ARM926T
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_USES_GETTIMEOFFSET
help
This enables support for Philips PNX4008 mobile platform.
@ -584,7 +584,7 @@ config ARCH_PXA
depends on MMU
select ARCH_MTD_XIP
select ARCH_HAS_CPUFREQ
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select TICK_ONESHOT
@ -761,7 +761,7 @@ config ARCH_TCC_926
bool "Telechips TCC ARM926-based systems"
select CPU_ARM926T
select HAVE_CLK
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
help
Support for Telechips TCC ARM926-based systems.
@ -785,7 +785,7 @@ config ARCH_U300
select ARM_AMBA
select ARM_VIC
select GENERIC_CLOCKEVENTS
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_GPIO
help
Support for ST-Ericsson U300 series mobile platforms.
@ -795,7 +795,7 @@ config ARCH_U8500
select CPU_V7
select ARM_AMBA
select GENERIC_CLOCKEVENTS
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
help
Support for ST-Ericsson's Ux500 architecture
@ -805,7 +805,7 @@ config ARCH_NOMADIK
select ARM_AMBA
select ARM_VIC
select CPU_ARM926T
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
help
@ -817,7 +817,7 @@ config ARCH_DAVINCI
select ARCH_REQUIRE_GPIOLIB
select ZONE_DMA
select HAVE_IDE
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_ALLOCATOR
select ARCH_HAS_HOLES_MEMORYMODEL
help
@ -837,7 +837,7 @@ config PLAT_SPEAR
bool "ST SPEAr"
select ARM_AMBA
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
select HAVE_CLK
help

4
arch/arm/common/Kconfig
View File

@ -37,7 +37,3 @@ config SHARP_PARAM
config SHARP_SCOOP
bool
config COMMON_CLKDEV
bool
select HAVE_CLK

1
arch/arm/common/Makefile
View File

@ -16,4 +16,3 @@ obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_ARCH_IXP2000) += uengine.o
obj-$(CONFIG_ARCH_IXP23XX) += uengine.o
obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
obj-$(CONFIG_COMMON_CLKDEV) += clkdev.o

22
arch/arm/include/asm/clkdev.h
View File

@ -12,23 +12,13 @@
#ifndef __ASM_CLKDEV_H
#define __ASM_CLKDEV_H
struct clk;
struct device;
#include <linux/slab.h>
struct clk_lookup {
struct list_head node;
const char *dev_id;
const char *con_id;
struct clk *clk;
};
#include <mach/clkdev.h>
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...);
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device *);
static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
{
return kzalloc(size, GFP_KERNEL);
}
#endif

3
arch/arm/mach-bcmring/clock.c
View File

@ -21,13 +21,12 @@
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
#include <linux/clkdev.h>
#include <mach/csp/hw_cfg.h>
#include <mach/csp/chipcHw_def.h>
#include <mach/csp/chipcHw_reg.h>
#include <mach/csp/chipcHw_inline.h>
#include <asm/clkdev.h>
#include "clock.h"
#define clk_is_primary(x) ((x)->type & CLK_TYPE_PRIMARY)

2
arch/arm/mach-bcmring/core.c
View File

@ -30,10 +30,10 @@
#include <linux/amba/bus.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/clkdev.h>
#include <mach/csp/mm_addr.h>
#include <mach/hardware.h>
#include <asm/clkdev.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/hardware/arm_timer.h>

2
arch/arm/mach-davinci/clock.h
View File

@ -68,7 +68,7 @@
#ifndef __ASSEMBLER__
#include <linux/list.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#define PLLSTAT_GOSTAT BIT(0)
#define PLLCMD_GOSET BIT(0)

2
arch/arm/mach-ep93xx/clock.c
View File

@ -19,10 +19,10 @@
#include <linux/string.h>
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/clkdev.h>
#include <mach/hardware.h>
#include <asm/clkdev.h>
#include <asm/div64.h>

3
arch/arm/mach-imx/clock-imx1.c
View File

@ -22,8 +22,7 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>

2
arch/arm/mach-imx/clock-imx21.c
View File

@ -21,11 +21,11 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#define IO_ADDR_CCM(off) (MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off)))

2
arch/arm/mach-imx/clock-imx27.c
View File

@ -21,8 +21,8 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#include <mach/clock.h>

3
arch/arm/mach-integrator/core.c
View File

@ -21,9 +21,8 @@
#include <linux/amba/bus.h>
#include <linux/amba/serial.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <mach/hardware.h>
#include <mach/platform.h>
#include <asm/irq.h>

3
arch/arm/mach-integrator/impd1.c
View File

@ -22,9 +22,8 @@
#include <linux/amba/clcd.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <asm/hardware/icst.h>
#include <mach/lm.h>
#include <mach/impd1.h>

3
arch/arm/mach-integrator/integrator_cp.c
View File

@ -21,9 +21,8 @@
#include <linux/amba/mmci.h>
#include <linux/io.h>
#include <linux/gfp.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <mach/hardware.h>
#include <mach/platform.h>
#include <asm/irq.h>

3
arch/arm/mach-lpc32xx/clock.c
View File

@ -90,10 +90,9 @@
#include <linux/clk.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/clkdev.h>
#include <mach/hardware.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <mach/platform.h>
#include "clock.h"
#include "common.h"

2
arch/arm/mach-mmp/clock.h
View File

@ -6,7 +6,7 @@
* published by the Free Software Foundation.
*/
#include <asm/clkdev.h>
#include <linux/clkdev.h>
struct clkops {
void (*enable)(struct clk *);

3
arch/arm/mach-mx25/clock.c
View File

@ -21,8 +21,7 @@
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>

2
arch/arm/mach-mx3/clock-imx31.c
View File

@ -23,8 +23,8 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#include <mach/clock.h>

3
arch/arm/mach-mx3/clock-imx35.c
View File

@ -21,8 +21,7 @@
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>

2
arch/arm/mach-mx5/clock-mx51.c
View File

@ -14,8 +14,8 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#include <mach/hardware.h>

2
arch/arm/mach-mxc91231/clock.c
View File

@ -2,12 +2,12 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <asm/clkdev.h>
#include <asm/bug.h>
#include <asm/div64.h>

2
arch/arm/mach-nomadik/clock.c
View File

@ -7,7 +7,7 @@
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include "clock.h"
/*

2
arch/arm/mach-nuc93x/clock.h
View File

@ -10,7 +10,7 @@
* the Free Software Foundation; either version 2 of the License.
*/
#include <asm/clkdev.h>
#include <linux/clkdev.h>
void nuc93x_clk_enable(struct clk *clk, int enable);
void clks_register(struct clk_lookup *clks, size_t num);

2
arch/arm/mach-omap1/clock.c
View File

@ -17,9 +17,9 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <asm/mach-types.h>
#include <asm/clkdev.h>
#include <plat/cpu.h>
#include <plat/usb.h>

2
arch/arm/mach-omap2/dpll3xxx.c
View File

@ -26,10 +26,10 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/bitops.h>
#include <linux/clkdev.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include <asm/clkdev.h>
#include "clock.h"
#include "prm.h"

3
arch/arm/mach-pnx4008/clock.c
View File

@ -21,8 +21,7 @@
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/hardware.h>
#include <mach/clock.h>

2
arch/arm/mach-pxa/clock.c
View File

@ -11,8 +11,8 @@
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <mach/pxa2xx-regs.h>
#include <mach/hardware.h>

2
arch/arm/mach-pxa/clock.h
View File

@ -1,4 +1,4 @@
#include <asm/clkdev.h>
#include <linux/clkdev.h>
struct clkops {
void (*enable)(struct clk *);

3
arch/arm/mach-realview/core.c
View File

@ -30,8 +30,8 @@
#include <linux/ata_platform.h>
#include <linux/amba/mmci.h>
#include <linux/gfp.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/system.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@ -47,7 +47,6 @@
#include <asm/hardware/gic.h>
#include <mach/clkdev.h>
#include <mach/platform.h>
#include <mach/irqs.h>
#include <plat/timer-sp.h>

6
arch/arm/mach-shmobile/Kconfig
View File

@ -6,7 +6,7 @@ config ARCH_SH7367
bool "SH-Mobile G3 (SH7367)"
select CPU_V6
select HAVE_CLK
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select SH_CLK_CPG
select GENERIC_CLOCKEVENTS
@ -14,7 +14,7 @@ config ARCH_SH7377
bool "SH-Mobile G4 (SH7377)"
select CPU_V7
select HAVE_CLK
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select SH_CLK_CPG
select GENERIC_CLOCKEVENTS
@ -22,7 +22,7 @@ config ARCH_SH7372
bool "SH-Mobile AP4 (SH7372)"
select CPU_V7
select HAVE_CLK
select COMMON_CLKDEV
select CLKDEV_LOOKUP
select SH_CLK_CPG
select GENERIC_CLOCKEVENTS

2
arch/arm/mach-shmobile/clock-sh7367.c
View File

@ -20,8 +20,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/sh_clk.h>
#include <linux/clkdev.h>
#include <mach/common.h>
#include <asm/clkdev.h>
/* SH7367 registers */
#define RTFRQCR 0xe6150000

2
arch/arm/mach-shmobile/clock-sh7372.c
View File

@ -20,8 +20,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/sh_clk.h>
#include <linux/clkdev.h>
#include <mach/common.h>
#include <asm/clkdev.h>
/* SH7372 registers */
#define FRQCRA 0xe6150000

2
arch/arm/mach-shmobile/clock-sh7377.c
View File

@ -20,8 +20,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/sh_clk.h>
#include <linux/clkdev.h>
#include <mach/common.h>
#include <asm/clkdev.h>
/* SH7377 registers */
#define RTFRQCR 0xe6150000

3
arch/arm/mach-tcc8k/clock.c
View File

@ -12,8 +12,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/clock.h>
#include <mach/irqs.h>

2
arch/arm/mach-tegra/clock.c
View File

@ -25,7 +25,7 @@
#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/regulator/consumer.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include "clock.h"
#include "board.h"

2
arch/arm/mach-tegra/clock.h
View File

@ -21,7 +21,7 @@
#define __MACH_TEGRA_CLOCK_H
#include <linux/list.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#define DIV_BUS (1 << 0)
#define DIV_U71 (1 << 1)

3
arch/arm/mach-tegra/tegra2_clocks.c
View File

@ -24,8 +24,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/hrtimer.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <mach/iomap.h>

2
arch/arm/mach-u300/clock.c
View File

@ -25,8 +25,8 @@
#include <linux/timer.h>
#include <linux/io.h>
#include <linux/seq_file.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <mach/hardware.h>
#include <mach/syscon.h>

3
arch/arm/mach-ux500/clock.c
View File

@ -13,8 +13,7 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <plat/mtu.h>
#include <mach/hardware.h>

3
arch/arm/mach-versatile/core.c
View File

@ -31,8 +31,8 @@
#include <linux/amba/pl022.h>
#include <linux/io.h>
#include <linux/gfp.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/leds.h>
@ -46,7 +46,6 @@
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/clkdev.h>
#include <mach/hardware.h>
#include <mach/platform.h>
#include <plat/timer-sp.h>

3
arch/arm/mach-vexpress/ct-ca9x4.c
View File

@ -8,8 +8,8 @@
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/pgtable.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/cache-l2x0.h>
@ -18,7 +18,6 @@
#include <asm/pmu.h>
#include <asm/smp_twd.h>
#include <mach/clkdev.h>
#include <mach/ct-ca9x4.h>
#include <plat/timer-sp.h>

3
arch/arm/mach-vexpress/v2m.c
View File

@ -11,15 +11,14 @@
#include <linux/spinlock.h>
#include <linux/sysdev.h>
#include <linux/usb/isp1760.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/sizes.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/arm_timer.h>
#include <mach/clkdev.h>
#include <mach/motherboard.h>
#include <plat/timer-sp.h>

2
arch/arm/mach-w90x900/clock.h
View File

@ -10,7 +10,7 @@
* the Free Software Foundation; either version 2 of the License.
*/
#include <asm/clkdev.h>
#include <linux/clkdev.h>
void nuc900_clk_enable(struct clk *clk, int enable);
void nuc900_subclk_enable(struct clk *clk, int enable);

4
arch/arm/plat-omap/Kconfig
View File

@ -11,13 +11,13 @@ choice
config ARCH_OMAP1
bool "TI OMAP1"
select COMMON_CLKDEV
select CLKDEV_LOOKUP
help
"Systems based on omap7xx, omap15xx or omap16xx"
config ARCH_OMAP2PLUS
bool "TI OMAP2/3/4"
select COMMON_CLKDEV
select CLKDEV_LOOKUP
help
"Systems based on OMAP2, OMAP3 or OMAP4"

2
arch/arm/plat-omap/include/plat/clkdev_omap.h
View File

@ -8,7 +8,7 @@
#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H
#define __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H
#include <asm/clkdev.h>
#include <linux/clkdev.h>
struct omap_clk {
u16 cpu;

2
arch/arm/plat-spear/include/plat/clock.h
View File

@ -15,7 +15,7 @@
#define __PLAT_CLOCK_H
#include <linux/list.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <linux/types.h>
/* clk structure flags */

2
arch/arm/plat-stmp3xxx/clock.c
View File

@ -25,9 +25,9 @@
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/clkdev.h>
#include <asm/mach-types.h>
#include <asm/clkdev.h>
#include <mach/platform.h>
#include <mach/regs-clkctrl.h>

2
arch/sh/Kconfig
View File

@ -1,7 +1,7 @@
config SUPERH
def_bool y
select EMBEDDED
select HAVE_CLK
select CLKDEV_LOOKUP
select HAVE_IDE if HAS_IOPORT
select HAVE_MEMBLOCK
select HAVE_OPROFILE

2
arch/sh/boards/mach-highlander/setup.c
View File

@ -24,10 +24,10 @@
#include <linux/interrupt.h>
#include <linux/usb/r8a66597.h>
#include <linux/usb/m66592.h>
#include <linux/clkdev.h>
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <mach/highlander.h>
#include <asm/clkdev.h>
#include <asm/clock.h>
#include <asm/heartbeat.h>
#include <asm/io.h>

38
arch/sh/include/asm/clkdev.h
View File

@ -1,9 +1,5 @@
/*
* arch/sh/include/asm/clkdev.h
*
* Cloned from arch/arm/include/asm/clkdev.h:
*
* Copyright (C) 2008 Russell King.
* Copyright (C) 2010 Paul Mundt <lethal@linux-sh.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -11,25 +7,25 @@
*
* Helper for the clk API to assist looking up a struct clk.
*/
#ifndef __ASM_CLKDEV_H
#define __ASM_CLKDEV_H
struct clk;
#ifndef __CLKDEV__H_
#define __CLKDEV__H_
struct clk_lookup {
struct list_head node;
const char *dev_id;
const char *con_id;
struct clk *clk;
};
#include <linux/bootmem.h>
#include <linux/mm.h>
#include <linux/slab.h>
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...);
#include <asm/clock.h>
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
{
if (!slab_is_available())
return alloc_bootmem_low_pages(size);
else
return kzalloc(size, GFP_KERNEL);
}
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device *);
#define __clk_put(clk)
#define __clk_get(clk) ({ 1; })
#endif
#endif /* __CLKDEV_H__ */

2
arch/sh/kernel/Makefile
View File

@ -11,7 +11,7 @@ endif
CFLAGS_REMOVE_return_address.o = -pg
obj-y := clkdev.o debugtraps.o dma-nommu.o dumpstack.o \
obj-y := debugtraps.o dma-nommu.o dumpstack.o \
idle.o io.o irq.o irq_$(BITS).o kdebugfs.o \
machvec.o nmi_debug.o process.o \
process_$(BITS).o ptrace.o ptrace_$(BITS).o \

171
arch/sh/kernel/clkdev.c
View File

@ -1,171 +0,0 @@
/*
* arch/sh/kernel/clkdev.c
*
* Cloned from arch/arm/common/clkdev.c:
*
* Copyright (C) 2008 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Helper for the clk API to assist looking up a struct clk.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/mutex.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
#include <linux/mm.h>
#include <asm/clock.h>
#include <asm/clkdev.h>
static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
/*
* Find the correct struct clk for the device and connection ID.
* We do slightly fuzzy matching here:
* An entry with a NULL ID is assumed to be a wildcard.
* If an entry has a device ID, it must match
* If an entry has a connection ID, it must match
* Then we take the most specific entry - with the following
* order of precedence: dev+con > dev only > con only.
*/
static struct clk *clk_find(const char *dev_id, const char *con_id)
{
struct clk_lookup *p;
struct clk *clk = NULL;
int match, best = 0;
list_for_each_entry(p, &clocks, node) {
match = 0;
if (p->dev_id) {
if (!dev_id || strcmp(p->dev_id, dev_id))
continue;
match += 2;
}
if (p->con_id) {
if (!con_id || strcmp(p->con_id, con_id))
continue;
match += 1;
}
if (match == 0)
continue;
if (match > best) {
clk = p->clk;
best = match;
}
}
return clk;
}
struct clk *clk_get_sys(const char *dev_id, const char *con_id)
{
struct clk *clk;
mutex_lock(&clocks_mutex);
clk = clk_find(dev_id, con_id);
mutex_unlock(&clocks_mutex);
return clk ? clk : ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(clk_get_sys);
void clkdev_add(struct clk_lookup *cl)
{
mutex_lock(&clocks_mutex);
list_add_tail(&cl->node, &clocks);
mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clkdev_add);
void __init clkdev_add_table(struct clk_lookup *cl, size_t num)
{
mutex_lock(&clocks_mutex);
while (num--) {
list_add_tail(&cl->node, &clocks);
cl++;
}
mutex_unlock(&clocks_mutex);
}
#define MAX_DEV_ID 20
#define MAX_CON_ID 16
struct clk_lookup_alloc {
struct clk_lookup cl;
char dev_id[MAX_DEV_ID];
char con_id[MAX_CON_ID];
};
struct clk_lookup * __init_refok
clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...)
{
struct clk_lookup_alloc *cla;
if (!slab_is_available())
cla = alloc_bootmem_low_pages(sizeof(*cla));
else
cla = kzalloc(sizeof(*cla), GFP_KERNEL);
if (!cla)
return NULL;
cla->cl.clk = clk;
if (con_id) {
strlcpy(cla->con_id, con_id, sizeof(cla->con_id));
cla->cl.con_id = cla->con_id;
}
if (dev_fmt) {
va_list ap;
va_start(ap, dev_fmt);
vscnprintf(cla->dev_id, sizeof(cla->dev_id), dev_fmt, ap);
cla->cl.dev_id = cla->dev_id;
va_end(ap);
}
return &cla->cl;
}
EXPORT_SYMBOL(clkdev_alloc);
int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
struct device *dev)
{
struct clk *r = clk_get(dev, id);
struct clk_lookup *l;
if (IS_ERR(r))
return PTR_ERR(r);
l = clkdev_alloc(r, alias, alias_dev_name);
clk_put(r);
if (!l)
return -ENODEV;
clkdev_add(l);
return 0;
}
EXPORT_SYMBOL(clk_add_alias);
/*
* clkdev_drop - remove a clock dynamically allocated
*/
void clkdev_drop(struct clk_lookup *cl)
{
struct clk_lookup_alloc *cla = container_of(cl, struct clk_lookup_alloc, cl);
mutex_lock(&clocks_mutex);
list_del(&cl->node);
mutex_unlock(&clocks_mutex);
kfree(cla);
}
EXPORT_SYMBOL(clkdev_drop);

2
arch/sh/kernel/cpu/clock-cpg.c
View File

@ -2,7 +2,7 @@
#include <linux/compiler.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
static struct clk master_clk = {

16
arch/sh/kernel/cpu/clock.c
View File

@ -48,20 +48,4 @@ int __init clk_init(void)
return ret;
}
/*
* Returns a clock. Note that we first try to use device id on the bus
* and clock name. If this fails, we try to use clock name only.
*/
struct clk *clk_get(struct device *dev, const char *con_id)
{
const char *dev_id = dev ? dev_name(dev) : NULL;
return clk_get_sys(dev_id, con_id);
}
EXPORT_SYMBOL_GPL(clk_get);
void clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL_GPL(clk_put);

2
arch/sh/kernel/cpu/sh4/clock-sh4-202.c
View File

@ -13,7 +13,7 @@
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7343.c
View File

@ -21,7 +21,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
/* SH7343 registers */

2
arch/sh/kernel/cpu/sh4a/clock-sh7366.c
View File

@ -21,7 +21,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
/* SH7366 registers */

2
arch/sh/kernel/cpu/sh4a/clock-sh7722.c
View File

@ -21,7 +21,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/hwblk.h>
#include <cpu/sh7722.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7723.c
View File

@ -22,7 +22,7 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/hwblk.h>
#include <cpu/sh7723.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7724.c
View File

@ -22,7 +22,7 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/hwblk.h>
#include <cpu/sh7724.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7757.c
View File

@ -12,7 +12,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7763.c
View File

@ -13,7 +13,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7780.c
View File

@ -12,7 +12,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7785.c
View File

@ -14,7 +14,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/cpufreq.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <cpu/sh7785.h>

2
arch/sh/kernel/cpu/sh4a/clock-sh7786.c
View File

@ -13,7 +13,7 @@
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>

2
arch/sh/kernel/cpu/sh4a/clock-shx3.c
View File

@ -14,7 +14,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <linux/clkdev.h>
#include <asm/clock.h>
#include <asm/freq.h>

2
drivers/Kconfig
View File

@ -111,4 +111,6 @@ source "drivers/xen/Kconfig"
source "drivers/staging/Kconfig"
source "drivers/platform/Kconfig"
source "drivers/clk/Kconfig"
endmenu

2
drivers/Makefile
View File

@ -114,3 +114,5 @@ obj-$(CONFIG_VLYNQ) += vlynq/
obj-$(CONFIG_STAGING) += staging/
obj-y += platform/
obj-y += ieee802154/
#common clk code
obj-y += clk/

4
drivers/clk/Kconfig Normal file
View File

@ -0,0 +1,4 @@
config CLKDEV_LOOKUP
bool
select HAVE_CLK

2
drivers/clk/Makefile Normal file
View File

@ -0,0 +1,2 @@
obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o

13
arch/arm/common/clkdev.c → drivers/clk/clkdev.c
View File

@ -1,5 +1,5 @@
/*
* arch/arm/common/clkdev.c
* drivers/clk/clkdev.c
*
* Copyright (C) 2008 Russell King.
*
@ -18,10 +18,7 @@
#include <linux/string.h>
#include <linux/mutex.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <asm/clkdev.h>
#include <mach/clkdev.h>
#include <linux/clkdev.h>
static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
@ -120,12 +117,12 @@ struct clk_lookup_alloc {
char con_id[MAX_CON_ID];
};
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...)
struct clk_lookup * __init_refok
clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...)
{
struct clk_lookup_alloc *cla;
cla = kzalloc(sizeof(*cla), GFP_KERNEL);
cla = __clkdev_alloc(sizeof(*cla));
if (!cla)
return NULL;

36
include/linux/clkdev.h Normal file
View File

@ -0,0 +1,36 @@
/*
* include/linux/clkdev.h
*
* Copyright (C) 2008 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Helper for the clk API to assist looking up a struct clk.
*/
#ifndef __CLKDEV_H
#define __CLKDEV_H
#include <asm/clkdev.h>
struct clk;
struct device;
struct clk_lookup {
struct list_head node;
const char *dev_id;
const char *con_id;
struct clk *clk;
};
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...);
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device *);
#endif