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sparc/kernel/: possible cleanups 

This patch contains the following possible cleanups:
- make the following needlessly global code static:
  - apc.c: apc_swift_idle()
  - ebus.c: ebus_blacklist_irq()
  - ebus.c: fill_ebus_child()
  - ebus.c: fill_ebus_device()
  - entry.S: syscall_is_too_hard
  - etra: tsetup_sun4c_stackchk
  - head.S: cputyp
  - head.S: prom_vector_p
  - idprom.c: Sun_Machines[]
  - ioport.c: _sparc_find_resource()
  - ioport.c: create_proc_read_entry()
  - irq.c: struct sparc_irq[]
  - rtrap.S: sun4c_rett_stackchk
  - setup.c: prom_sync_me()
  - setup.c: boot_flags
  - sun4c_irq.c: sun4c_sbint_to_irq()
  - sun4d_irq.c: sbus_tid[]
  - sun4d_irq.c: struct sbus_actions
  - sun4d_irq.c: sun4d_sbint_to_irq()
  - sun4m_irq.c: sun4m_sbint_to_irq()
  - sun4m_irq.c: sun4m_get_irqmask()
  - sun4m_irq.c: sun4m_timers
  - sun4m_smp.c: smp4m_cross_call()
  - sun4m_smp.c: smp4m_blackbox_id()
  - sun4m_smp.c: smp4m_blackbox_current()
  - time.c: sp_clock_typ
  - time.c: sbus_time_init()
  - traps.c: instruction_dump()
  - wof.S: spwin_sun4c_stackchk
  - wuf.S: sun4c_fwin_stackchk
- #if 0 the following unused code:
  - process.c: sparc_backtrace_lock
  - process.c: __show_backtrace()
  - process.c: show_backtrace()
  - process.c: smp_show_backtrace_all_cpus()
- remove the following unused code:
  - entry.S: __handle_exception
  - smp.c: smp_num_cpus
  - smp.c: smp_activated
  - smp.c: __cpu_number_map[]
  - smp.c: __cpu_logical_map[]
  - smp.c: bitops_spinlock
  - traps.c: trap_curbuf
  - traps.c: trapbuf[]
  - traps.c: linux_smp_still_initting
  - traps.c: thiscpus_tbr
  - traps.c: thiscpus_mid

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Adrian Bunk 2008-06-05 11:40:58 -07:00 committed by David S. Miller
parent 5b664cb235
commit c61c65cdcd
23 changed files with 38 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/kernel/apc.c
View File

@ -56,7 +56,7 @@ __setup("apc=", apc_setup);
* CPU idle callback function * CPU idle callback function
* See .../arch/sparc/kernel/process.c * See .../arch/sparc/kernel/process.c
*/ */
void apc_swift_idle(void) static void apc_swift_idle(void)
{ {
#ifdef APC_DEBUG_LED #ifdef APC_DEBUG_LED
set_auxio(0x00, AUXIO_LED); set_auxio(0x00, AUXIO_LED);

9
arch/sparc/kernel/ebus.c
View File

@ -69,7 +69,7 @@ static inline unsigned long ebus_alloc(size_t size)
/* /*
*/ */
int __init ebus_blacklist_irq(const char *name) static int __init ebus_blacklist_irq(const char *name)
{ {
struct ebus_device_irq *dp; struct ebus_device_irq *dp;
@ -83,8 +83,8 @@ int __init ebus_blacklist_irq(const char *name)
return 0; return 0;
} }
void __init fill_ebus_child(struct device_node *dp, static void __init fill_ebus_child(struct device_node *dp,
struct linux_ebus_child *dev) struct linux_ebus_child *dev)
{ {
const int *regs; const int *regs;
const int *irqs; const int *irqs;
@ -144,7 +144,8 @@ void __init fill_ebus_child(struct device_node *dp,
} }
} }
void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev) static void __init fill_ebus_device(struct device_node *dp,
struct linux_ebus_device *dev)
{ {
const struct linux_prom_registers *regs; const struct linux_prom_registers *regs;
struct linux_ebus_child *child; struct linux_ebus_child *child;

4
arch/sparc/kernel/entry.S
View File

@ -1317,7 +1317,6 @@ linux_sparc_syscall:
bne linux_fast_syscall bne linux_fast_syscall
/* Just do first insn from SAVE_ALL in the delay slot */ /* Just do first insn from SAVE_ALL in the delay slot */
.globl syscall_is_too_hard
syscall_is_too_hard: syscall_is_too_hard:
SAVE_ALL_HEAD SAVE_ALL_HEAD
rd %wim, %l3 rd %wim, %l3
@ -1544,8 +1543,7 @@ kgdb_trap_low:
#endif #endif
.align 4 .align 4
.globl __handle_exception, flush_patch_exception .globl flush_patch_exception
__handle_exception:
flush_patch_exception: flush_patch_exception:
FLUSH_ALL_KERNEL_WINDOWS; FLUSH_ALL_KERNEL_WINDOWS;
ldd [%o0], %o6 ldd [%o0], %o6

1
arch/sparc/kernel/etrap.S
View File

@ -228,7 +228,6 @@ tsetup_mmu_patchme:
*/ */
#define glob_tmp g1 #define glob_tmp g1
.globl tsetup_sun4c_stackchk
tsetup_sun4c_stackchk: tsetup_sun4c_stackchk:
/* Done by caller: andcc %sp, 0x7, %g0 */ /* Done by caller: andcc %sp, 0x7, %g0 */
bne trap_setup_user_stack_is_bolixed bne trap_setup_user_stack_is_bolixed

2
arch/sparc/kernel/head.S
View File

@ -32,7 +32,6 @@
*/ */
.align 4 .align 4
.globl cputyp
cputyp: cputyp:
.word 1 .word 1
@ -1280,7 +1279,6 @@ halt_me:
* gets initialized in c-code so all routines can use it. * gets initialized in c-code so all routines can use it.
*/ */
.globl prom_vector_p
prom_vector_p: prom_vector_p:
.word 0 .word 0

2
arch/sparc/kernel/idprom.c
View File

@ -24,7 +24,7 @@ static struct idprom idprom_buffer;
* of the Sparc CPU and have a meaningful IDPROM machtype value that we * of the Sparc CPU and have a meaningful IDPROM machtype value that we
* know about. See asm-sparc/machines.h for empirical constants. * know about. See asm-sparc/machines.h for empirical constants.
*/ */
struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = { static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
/* First, Sun4's */ /* First, Sun4's */
{ "Sun 4/100 Series", (SM_SUN4 | SM_4_110) }, { "Sun 4/100 Series", (SM_SUN4 | SM_4_110) },
{ "Sun 4/200 Series", (SM_SUN4 | SM_4_260) }, { "Sun 4/200 Series", (SM_SUN4 | SM_4_260) },

13
arch/sparc/kernel/ioport.c
View File

@ -49,13 +49,16 @@
#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */ #define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
struct resource *_sparc_find_resource(struct resource *r, unsigned long); static struct resource *_sparc_find_resource(struct resource *r,
unsigned long);
static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz);
static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys, static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
unsigned long size, char *name); unsigned long size, char *name);
static void _sparc_free_io(struct resource *res); static void _sparc_free_io(struct resource *res);
static void register_proc_sparc_ioport(void);
/* This points to the next to use virtual memory for DVMA mappings */ /* This points to the next to use virtual memory for DVMA mappings */
static struct resource _sparc_dvma = { static struct resource _sparc_dvma = {
.name = "sparc_dvma", .start = DVMA_VADDR, .end = DVMA_END - 1 .name = "sparc_dvma", .start = DVMA_VADDR, .end = DVMA_END - 1
@ -539,8 +542,6 @@ void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp)
int __init sbus_arch_preinit(void) int __init sbus_arch_preinit(void)
{ {
extern void register_proc_sparc_ioport(void);
register_proc_sparc_ioport(); register_proc_sparc_ioport();
#ifdef CONFIG_SUN4 #ifdef CONFIG_SUN4
@ -853,8 +854,8 @@ _sparc_io_get_info(char *buf, char **start, off_t fpos, int length, int *eof,
* XXX Too slow. Can have 8192 DVMA pages on sun4m in the worst case. * XXX Too slow. Can have 8192 DVMA pages on sun4m in the worst case.
* This probably warrants some sort of hashing. * This probably warrants some sort of hashing.
*/ */
struct resource * static struct resource *_sparc_find_resource(struct resource *root,
_sparc_find_resource(struct resource *root, unsigned long hit) unsigned long hit)
{ {
struct resource *tmp; struct resource *tmp;
@ -865,7 +866,7 @@ _sparc_find_resource(struct resource *root, unsigned long hit)
return NULL; return NULL;
} }
void register_proc_sparc_ioport(void) static void register_proc_sparc_ioport(void)
{ {
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
create_proc_read_entry("io_map",0,NULL,_sparc_io_get_info,&sparc_iomap); create_proc_read_entry("io_map",0,NULL,_sparc_io_get_info,&sparc_iomap);

2
arch/sparc/kernel/irq.c
View File

@ -154,7 +154,7 @@ void (*sparc_init_timers)(irq_handler_t ) =
struct irqaction static_irqaction[MAX_STATIC_ALLOC]; struct irqaction static_irqaction[MAX_STATIC_ALLOC];
int static_irq_count; int static_irq_count;
struct { static struct {
struct irqaction *action; struct irqaction *action;
int flags; int flags;
} sparc_irq[NR_IRQS]; } sparc_irq[NR_IRQS];

3
arch/sparc/kernel/process.c
View File

@ -177,6 +177,8 @@ void machine_power_off(void)
machine_halt(); machine_halt();
} }
#if 0
static DEFINE_SPINLOCK(sparc_backtrace_lock); static DEFINE_SPINLOCK(sparc_backtrace_lock);
void __show_backtrace(unsigned long fp) void __show_backtrace(unsigned long fp)
@ -228,7 +230,6 @@ void smp_show_backtrace_all_cpus(void)
} }
#endif #endif
#if 0
void show_stackframe(struct sparc_stackf *sf) void show_stackframe(struct sparc_stackf *sf)
{ {
unsigned long size; unsigned long size;

2
arch/sparc/kernel/rtrap.S
View File

@ -224,8 +224,6 @@ ret_trap_user_stack_is_bolixed:
b signal_p b signal_p
ld [%curptr + TI_FLAGS], %g2 ld [%curptr + TI_FLAGS], %g2
.globl sun4c_rett_stackchk
sun4c_rett_stackchk: sun4c_rett_stackchk:
be 1f be 1f
and %fp, 0xfff, %g1 ! delay slot and %fp, 0xfff, %g1 ! delay slot

4
arch/sparc/kernel/setup.c
View File

@ -67,7 +67,7 @@ struct screen_info screen_info = {
extern unsigned long trapbase; extern unsigned long trapbase;
/* Pretty sick eh? */ /* Pretty sick eh? */
void prom_sync_me(void) static void prom_sync_me(void)
{ {
unsigned long prom_tbr, flags; unsigned long prom_tbr, flags;
@ -97,7 +97,7 @@ void prom_sync_me(void)
return; return;
} }
unsigned int boot_flags __initdata = 0; static unsigned int boot_flags __initdata = 0;
#define BOOTME_DEBUG 0x1 #define BOOTME_DEBUG 0x1
/* Exported for mm/init.c:paging_init. */ /* Exported for mm/init.c:paging_init. */

7
arch/sparc/kernel/smp.c
View File

@ -35,13 +35,9 @@
#include "irq.h" #include "irq.h"
int smp_num_cpus = 1;
volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,}; volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
unsigned char boot_cpu_id = 0; unsigned char boot_cpu_id = 0;
unsigned char boot_cpu_id4 = 0; /* boot_cpu_id << 2 */ unsigned char boot_cpu_id4 = 0; /* boot_cpu_id << 2 */
int smp_activated = 0;
volatile int __cpu_number_map[NR_CPUS];
volatile int __cpu_logical_map[NR_CPUS];
cpumask_t cpu_online_map = CPU_MASK_NONE; cpumask_t cpu_online_map = CPU_MASK_NONE;
cpumask_t phys_cpu_present_map = CPU_MASK_NONE; cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
@ -55,9 +51,6 @@ cpumask_t smp_commenced_mask = CPU_MASK_NONE;
* instruction which is much better... * instruction which is much better...
*/ */
/* Used to make bitops atomic */
unsigned char bitops_spinlock = 0;
void __cpuinit smp_store_cpu_info(int id) void __cpuinit smp_store_cpu_info(int id)
{ {
int cpu_node; int cpu_node;

3
arch/sparc/kernel/sun4c_irq.c
View File

@ -68,7 +68,8 @@ unsigned char *interrupt_enable = NULL;
static int sun4c_pil_map[] = { 0, 1, 2, 3, 5, 7, 8, 9 }; static int sun4c_pil_map[] = { 0, 1, 2, 3, 5, 7, 8, 9 };
unsigned int sun4c_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint) static unsigned int sun4c_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{ {
if (sbint >= sizeof(sun4c_pil_map)) { if (sbint >= sizeof(sun4c_pil_map)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint); printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);

7
arch/sparc/kernel/sun4d_irq.c
View File

@ -52,13 +52,13 @@ extern struct irqaction static_irqaction[MAX_STATIC_ALLOC];
extern int static_irq_count; extern int static_irq_count;
unsigned char cpu_leds[32]; unsigned char cpu_leds[32];
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
unsigned char sbus_tid[32]; static unsigned char sbus_tid[32];
#endif #endif
static struct irqaction *irq_action[NR_IRQS]; static struct irqaction *irq_action[NR_IRQS];
extern spinlock_t irq_action_lock; extern spinlock_t irq_action_lock;
struct sbus_action { static struct sbus_action {
struct irqaction *action; struct irqaction *action;
/* For SMP this needs to be extended */ /* For SMP this needs to be extended */
} *sbus_actions; } *sbus_actions;
@ -267,7 +267,8 @@ unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq)
return irq; return irq;
} }
unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint) static unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{ {
if (sbint >= sizeof(sbus_to_pil)) { if (sbint >= sizeof(sbus_to_pil)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint); printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);

7
arch/sparc/kernel/sun4m_irq.c
View File

@ -154,7 +154,8 @@ static unsigned long irq_mask[] = {
static int sun4m_pil_map[] = { 0, 2, 3, 5, 7, 9, 11, 13 }; static int sun4m_pil_map[] = { 0, 2, 3, 5, 7, 9, 11, 13 };
unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint) static unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{ {
if (sbint >= sizeof(sun4m_pil_map)) { if (sbint >= sizeof(sun4m_pil_map)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint); printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);
@ -163,7 +164,7 @@ unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
return sun4m_pil_map[sbint] | 0x30; return sun4m_pil_map[sbint] | 0x30;
} }
inline unsigned long sun4m_get_irqmask(unsigned int irq) static unsigned long sun4m_get_irqmask(unsigned int irq)
{ {
unsigned long mask; unsigned long mask;
@ -281,7 +282,7 @@ static void sun4m_set_udt(int cpu)
#define TIMER_IRQ (OBIO_INTR | 10) #define TIMER_IRQ (OBIO_INTR | 10)
#define PROFILE_IRQ (OBIO_INTR | 14) #define PROFILE_IRQ (OBIO_INTR | 14)
struct sun4m_timer_regs *sun4m_timers; static struct sun4m_timer_regs *sun4m_timers;
unsigned int lvl14_resolution = (((1000000/HZ) + 1) << 10); unsigned int lvl14_resolution = (((1000000/HZ) + 1) << 10);
static void sun4m_clear_clock_irq(void) static void sun4m_clear_clock_irq(void)

9
arch/sparc/kernel/sun4m_smp.c
View File

@ -244,8 +244,9 @@ static struct smp_funcall {
static DEFINE_SPINLOCK(cross_call_lock); static DEFINE_SPINLOCK(cross_call_lock);
/* Cross calls must be serialized, at least currently. */ /* Cross calls must be serialized, at least currently. */
void smp4m_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, static void smp4m_cross_call(smpfunc_t func, unsigned long arg1,
unsigned long arg3, unsigned long arg4, unsigned long arg5) unsigned long arg2, unsigned long arg3,
unsigned long arg4, unsigned long arg5)
{ {
register int ncpus = SUN4M_NCPUS; register int ncpus = SUN4M_NCPUS;
unsigned long flags; unsigned long flags;
@ -344,7 +345,7 @@ static void __init smp_setup_percpu_timer(void)
enable_pil_irq(14); enable_pil_irq(14);
} }
void __init smp4m_blackbox_id(unsigned *addr) static void __init smp4m_blackbox_id(unsigned *addr)
{ {
int rd = *addr & 0x3e000000; int rd = *addr & 0x3e000000;
int rs1 = rd >> 11; int rs1 = rd >> 11;
@ -354,7 +355,7 @@ void __init smp4m_blackbox_id(unsigned *addr)
addr[2] = 0x80082003 | rd | rs1; /* and reg, 3, reg */ addr[2] = 0x80082003 | rd | rs1; /* and reg, 3, reg */
} }
void __init smp4m_blackbox_current(unsigned *addr) static void __init smp4m_blackbox_current(unsigned *addr)
{ {
int rd = *addr & 0x3e000000; int rd = *addr & 0x3e000000;
int rs1 = rd >> 11; int rs1 = rd >> 11;

4
arch/sparc/kernel/time.c
View File

@ -46,7 +46,7 @@
#include "irq.h" #include "irq.h"
DEFINE_SPINLOCK(rtc_lock); DEFINE_SPINLOCK(rtc_lock);
enum sparc_clock_type sp_clock_typ; static enum sparc_clock_type sp_clock_typ;
DEFINE_SPINLOCK(mostek_lock); DEFINE_SPINLOCK(mostek_lock);
void __iomem *mstk48t02_regs = NULL; void __iomem *mstk48t02_regs = NULL;
static struct mostek48t08 __iomem *mstk48t08_regs = NULL; static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
@ -366,7 +366,7 @@ static int __init clock_init(void)
fs_initcall(clock_init); fs_initcall(clock_init);
#endif /* !CONFIG_SUN4 */ #endif /* !CONFIG_SUN4 */
void __init sbus_time_init(void) static void __init sbus_time_init(void)
{ {
BTFIXUPSET_CALL(bus_do_settimeofday, sbus_do_settimeofday, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(bus_do_settimeofday, sbus_do_settimeofday, BTFIXUPCALL_NORM);

9
arch/sparc/kernel/traps.c
View File

@ -33,9 +33,6 @@ struct trap_trace_entry {
unsigned long type; unsigned long type;
}; };
int trap_curbuf = 0;
struct trap_trace_entry trapbuf[1024];
void syscall_trace_entry(struct pt_regs *regs) void syscall_trace_entry(struct pt_regs *regs)
{ {
printk("%s[%d]: ", current->comm, task_pid_nr(current)); printk("%s[%d]: ", current->comm, task_pid_nr(current));
@ -72,7 +69,7 @@ void sun4d_nmi(struct pt_regs *regs)
prom_halt(); prom_halt();
} }
void instruction_dump (unsigned long *pc) static void instruction_dump(unsigned long *pc)
{ {
int i; int i;
@ -479,10 +476,6 @@ void do_BUG(const char *file, int line)
extern void sparc_cpu_startup(void); extern void sparc_cpu_startup(void);
int linux_smp_still_initting;
unsigned int thiscpus_tbr;
int thiscpus_mid;
void trap_init(void) void trap_init(void)
{ {
extern void thread_info_offsets_are_bolixed_pete(void); extern void thread_info_offsets_are_bolixed_pete(void);

1
arch/sparc/kernel/wof.S
View File

@ -306,7 +306,6 @@ spwin_bad_ustack_from_kernel:
* As noted above %curptr cannot be touched by this routine at all. * As noted above %curptr cannot be touched by this routine at all.
*/ */
.globl spwin_sun4c_stackchk
spwin_sun4c_stackchk: spwin_sun4c_stackchk:
/* LOCATION: Window to be saved on the stack */ /* LOCATION: Window to be saved on the stack */

1
arch/sparc/kernel/wuf.S
View File

@ -243,7 +243,6 @@ fwin_user_finish_up:
*/ */
.align 4 .align 4
.globl sun4c_fwin_stackchk
sun4c_fwin_stackchk: sun4c_fwin_stackchk:
/* LOCATION: Window 'W' */ /* LOCATION: Window 'W' */

2
include/asm-sparc/machines.h
View File

@ -17,8 +17,6 @@ struct Sun_Machine_Models {
*/ */
#define NUM_SUN_MACHINES 15 #define NUM_SUN_MACHINES 15
extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES];
/* The machine type in the idprom area looks like this: /* The machine type in the idprom area looks like this:
* *
* --------------- * ---------------

2
include/asm-sparc/mostek.h
View File

@ -128,8 +128,6 @@ struct mostek48t08 {
struct mostek48t02 regs; /* Here is what we are interested in. */ struct mostek48t02 regs; /* Here is what we are interested in. */
}; };
extern enum sparc_clock_type sp_clock_typ;
#ifdef CONFIG_SUN4 #ifdef CONFIG_SUN4
enum sparc_clock_type { MSTK48T02, MSTK48T08, \ enum sparc_clock_type { MSTK48T02, MSTK48T08, \
INTERSIL, MSTK_INVALID }; INTERSIL, MSTK_INVALID };

2
include/asm-sparc/timer.h
View File

@ -84,8 +84,6 @@ struct sun4m_timer_regs {
volatile unsigned int cfg; /* equals zero at boot time... */ volatile unsigned int cfg; /* equals zero at boot time... */
}; };
extern struct sun4m_timer_regs *sun4m_timers;
#define SUN4D_PRM_CNT_L 0x80000000 #define SUN4D_PRM_CNT_L 0x80000000
#define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00 #define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00