From bbdc2661eabddd442240533a66b2290f77d89ccc Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 25 Feb 2011 23:00:19 -0800 Subject: [PATCH] sparc32: introduce sparc_irq_config sparc_irq_config is used to hold the platform specific irq setup. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller --- arch/sparc/kernel/irq.h | 17 +++++++++++------ arch/sparc/kernel/irq_32.c | 10 +++------- arch/sparc/kernel/leon_kernel.c | 2 +- arch/sparc/kernel/sun4c_irq.c | 4 +++- arch/sparc/kernel/sun4d_irq.c | 4 +++- arch/sparc/kernel/sun4m_irq.c | 4 +++- arch/sparc/kernel/time_32.c | 2 +- 7 files changed, 25 insertions(+), 18 deletions(-) diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h index db7513881530..4b4e54f32b26 100644 --- a/arch/sparc/kernel/irq.h +++ b/arch/sparc/kernel/irq.h @@ -1,5 +1,16 @@ #include +/* + * Platform specific irq configuration + * The individual platforms assign their platform + * specifics in their init functions. + */ +struct sparc_irq_config { + void (*init_timers)(irq_handler_t); +}; +extern struct sparc_irq_config sparc_irq_config; + + /* Dave Redman (djhr@tadpole.co.uk) * changed these to function pointers.. it saves cycles and will allow * the irq dependencies to be split into different files at a later date @@ -45,12 +56,6 @@ static inline void load_profile_irq(int cpu, int limit) BTFIXUP_CALL(load_profile_irq)(cpu, limit); } -extern void (*sparc_init_timers)(irq_handler_t lvl10_irq); - -extern void claim_ticker14(irq_handler_t irq_handler, - int irq, - unsigned int timeout); - #ifdef CONFIG_SMP BTFIXUPDEF_CALL(void, set_cpu_int, int, int) BTFIXUPDEF_CALL(void, clear_cpu_int, int, int) diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index 93afee00a927..b80b8bf0bf00 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -29,6 +29,9 @@ #define SMP_NOP3 #endif /* SMP */ +/* platform specific irq setup */ +struct sparc_irq_config sparc_irq_config; + unsigned long arch_local_irq_save(void) { unsigned long retval; @@ -100,14 +103,7 @@ EXPORT_SYMBOL(arch_local_irq_restore); * */ -static void irq_panic(void) -{ - prom_printf("machine: %s doesn't have irq handlers defined!\n", - &cputypval[0]); - prom_halt(); -} -void (*sparc_init_timers)(irq_handler_t) = (void (*)(irq_handler_t))irq_panic; /* * Dave Redman (djhr@tadpole.co.uk) diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 2f8a9a25d10d..2969f777fa11 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -347,7 +347,7 @@ void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu) void __init leon_init_IRQ(void) { - sparc_init_timers = leon_init_timers; + sparc_irq_config.init_timers = leon_init_timers; BTFIXUPSET_CALL(enable_irq, leon_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_irq, leon_disable_irq, BTFIXUPCALL_NORM); diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index f543b452ebc1..90eea38ad66f 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -221,7 +221,9 @@ void __init sun4c_init_IRQ(void) BTFIXUPSET_CALL(disable_pil_irq, sun4c_disable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4c_clear_clock_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, sun4c_load_profile_irq, BTFIXUPCALL_NOP); - sparc_init_timers = sun4c_init_timers; + + sparc_irq_config.init_timers = sun4c_init_timers; + #ifdef CONFIG_SMP BTFIXUPSET_CALL(set_cpu_int, sun4c_nop, BTFIXUPCALL_NOP); BTFIXUPSET_CALL(clear_cpu_int, sun4c_nop, BTFIXUPCALL_NOP); diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 609a13c85823..fc1c22f121fd 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -557,7 +557,9 @@ void __init sun4d_init_IRQ(void) BTFIXUPSET_CALL(disable_irq, sun4d_disable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4d_clear_clock_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, sun4d_load_profile_irq, BTFIXUPCALL_NORM); - sparc_init_timers = sun4d_init_timers; + + sparc_irq_config.init_timers = sun4d_init_timers; + #ifdef CONFIG_SMP BTFIXUPSET_CALL(set_cpu_int, sun4d_set_cpu_int, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_cpu_int, sun4d_clear_ipi, BTFIXUPCALL_NOP); diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 3c6657a4caec..1e13ce96dc7e 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -470,7 +470,9 @@ void __init sun4m_init_IRQ(void) BTFIXUPSET_CALL(disable_pil_irq, sun4m_disable_pil_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4m_clear_clock_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, sun4m_load_profile_irq, BTFIXUPCALL_NORM); - sparc_init_timers = sun4m_init_timers; + + sparc_irq_config.init_timers = sun4m_init_timers; + #ifdef CONFIG_SMP BTFIXUPSET_CALL(set_cpu_int, sun4m_send_ipi, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_cpu_int, sun4m_clear_ipi, BTFIXUPCALL_NORM); diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 19ab42a932db..8237dd4dfeb4 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -219,7 +219,7 @@ static void __init sbus_time_init(void) btfixup(); - sparc_init_timers(timer_interrupt); + sparc_irq_config.init_timers(timer_interrupt); } void __init time_init(void) -- 2.20.1