[RFC][PATCH 1/8] Removal of dead code from arch/blackfin/kernel/traps.c

[RFC][PATCH 1/8] Removal of dead code from arch/blackfin/kernel/traps.c

[N.P.S.]

commit de6f2dfdf5c3dcd0e5eeaf9ab690a5d1081c065c
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Fri Oct 22 00:01:41 2010 +0200

    Removal of dead code from
    arch/blackfin/kernel/traps.c
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Li Yi <yi.li@analog.com>
    CC: <uclinux-dist-devel@blackfin.uclinux.org>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 59c1df7..b20eca8 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -280,17 +280,7 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 			goto traps_done;
 		else
 			break;
-#ifdef CONFIG_BF535
-	/* 0x29 - Instruction fetch access error (535 only) */
-	case VEC_ISTRU_VL:      /* ADSP-BF535 only (MH) */
-		info.si_code = BUS_OPFETCH;
-		sig = SIGBUS;
-		strerror = KERN_NOTICE "BF535: VEC_ISTRU_VL\n";
-		CHK_DEBUGGER_TRAP_MAYBE();
-		break;
-#else
 	/* 0x29 - Reserved, Caught by default */
-#endif
 	/* 0x2A - Instruction fetch misaligned, handled here */
 	case VEC_MISALI_I:
 		info.si_code = BUS_ADRALN;

Re: [RFC][PATCH 1/8] Removal of dead code from arch/blackfin/kernel/traps.c

[Mike Frysinger]

NAK ... i find having this hint useful
-mike

Re: [RFC][PATCH 1/8] Removal of dead code from arch/blackfin/kernel/traps.c

[Zimny Lech]

2010/10/22 Mike Frysinger <vapier.adi@gmail.com>:
> NAK ... i find having this hint useful
> -mike
>

Ok, thanks for your comments.

Kind regards,
Zimny

-- 
Slawa!
N.P.S.

Les fleurs du mal unfold
Comme les fleurs du mal
Dark demons of my soul
Un amour fatal

[RFC][PATCH 2/8] Removal of dead code from arch/blackfin/kernel/ipipe.c

[N.P.S.]

commit 80cbf2ee3a33740641929f23bf9a7d264a2986b4
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:57:05 2010 +0200

    Removal of dead code from
    arch/blackfin/kernel/ipipe.c
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Li Yi <yi.li@analog.com>
    CC: <uclinux-dist-devel@blackfin.uclinux.org>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index 1a496cd..8941cca 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -272,13 +272,6 @@ int ipipe_trigger_irq(unsigned irq)
 {
 	unsigned long flags;
 
-#ifdef CONFIG_IPIPE_DEBUG
-	if (irq >= IPIPE_NR_IRQS ||
-	    (ipipe_virtual_irq_p(irq)
-	     && !test_bit(irq - IPIPE_VIRQ_BASE, &__ipipe_virtual_irq_map)))
-		return -EINVAL;
-#endif
-
 	local_irq_save_hw(flags);
 	__ipipe_handle_irq(irq, NULL);
 	local_irq_restore_hw(flags);

Re: [RFC][PATCH 2/8] Removal of dead code from arch/blackfin/kernel/ipipe.c

[Mike Frysinger]

NAK ... this is for xenomai
-mike

[RFC][PATCH 3/8] Removal of dead code from arch/blackfin/include/asm/irqflags.h

[N.P.S.]

commit 12282e20f3cb7757bfe333cac43174751453c15b
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:53:26 2010 +0200

    Removal of dead code from
    arch/blackfin/include/asm/irqflags.h
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Li Yi <yi.li@analog.com>
    CC: <uclinux-dist-devel@blackfin.uclinux.org>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/blackfin/include/asm/irqflags.h b/arch/blackfin/include/asm/irqflags.h
index 813a1af..26dfd27 100644
--- a/arch/blackfin/include/asm/irqflags.h
+++ b/arch/blackfin/include/asm/irqflags.h
@@ -137,42 +137,10 @@ static inline void local_irq_restore_hw_notrace(unsigned long flags)
 		local_irq_enable_hw_notrace();
 }
 
-#ifdef CONFIG_IPIPE_TRACE_IRQSOFF
-# define local_irq_disable_hw()				\
-	do {						\
-		if (!irqs_disabled_hw()) {		\
-			local_irq_disable_hw_notrace();	\
-			ipipe_trace_begin(0x80000000);	\
-		}					\
-	} while (0)
-# define local_irq_enable_hw()				\
-	do {						\
-		if (irqs_disabled_hw()) {		\
-			ipipe_trace_end(0x80000000);	\
-			local_irq_enable_hw_notrace();	\
-		}					\
-	} while (0)
-# define local_irq_save_hw(flags)			\
-	do {						\
-		local_save_flags_hw(flags);		\
-		if (!irqs_disabled_flags_hw(flags)) {	\
-			local_irq_disable_hw_notrace();	\
-			ipipe_trace_begin(0x80000001);	\
-		}					\
-	} while (0)
-# define local_irq_restore_hw(flags)			\
-	do {						\
-		if (!irqs_disabled_flags_hw(flags)) {	\
-			ipipe_trace_end(0x80000001);	\
-			local_irq_enable_hw_notrace();	\
-		}					\
-	} while (0)
-#else /* !CONFIG_IPIPE_TRACE_IRQSOFF */
 # define local_irq_disable_hw()		local_irq_disable_hw_notrace()
 # define local_irq_enable_hw()		local_irq_enable_hw_notrace()
 # define local_irq_save_hw(flags)	local_irq_save_hw_notrace(flags)
 # define local_irq_restore_hw(flags)	local_irq_restore_hw_notrace(flags)
-#endif /* !CONFIG_IPIPE_TRACE_IRQSOFF */
 
 #else /* CONFIG_IPIPE */
 

Re: [RFC][PATCH 3/8] Removal of dead code from arch/blackfin/include/asm/irqflags.h

[Mike Frysinger]

NAK ... this is for xenomai
-mike

Re: [RFC][PATCH 3/8] Removal of dead code from arch/blackfin/include/asm/irqflags.h

[Zimny Lech]

2010/10/22 Mike Frysinger <vapier.adi@gmail.com>:
> NAK ... this is for xenomai
> -mike
>

Ok, thanks for your comment.

BTW. I can not find *IPIPE_TRACE* is it automatically generated somewhere?

Kind regards,
Zimny

-- 
Slawa!
N.P.S.

Les fleurs du mal unfold
Comme les fleurs du mal
Dark demons of my soul
Un amour fatal

Re: [RFC][PATCH 3/8] Removal of dead code from arch/blackfin/include/asm/irqflags.h

[Mike Frysinger]

On Fri, Oct 22, 2010 at 16:39, Zimny Lech wrote:
> 2010/10/22 Mike Frysinger:
>> NAK ... this is for xenomai
>
> Ok, thanks for your comment.
>
> BTW. I can not find *IPIPE_TRACE* is it automatically generated somewhere?

negative.  we're just friendly with the xenomai peeps.
-mike

[RFC][PATCH 4/8] Removal of dead code from arch/m68knommu/kernel/setup.c

[N.P.S.]

commit ff74ba3dc19fa616a87803af756911d4997fcd76
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:46:01 2010 +0200

    Removal of dead code from
    arch/m68knommu/kernel/setup.c
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
index ba92b90..c684adf 100644
--- a/arch/m68knommu/kernel/setup.c
+++ b/arch/m68knommu/kernel/setup.c
@@ -54,9 +54,6 @@ void (*mach_reset)(void);
 void (*mach_halt)(void);
 void (*mach_power_off)(void);
 
-#ifdef CONFIG_M68000
-	#define CPU "MC68000"
-#endif
 #ifdef CONFIG_M68328
 	#define CPU "MC68328"
 #endif

[RFC][PATCH 5/8] Removal of dead code from arch/m68knommu/platform/68VZ328/config.c

[N.P.S.]

commit 5fef858951eaa6d10a219e7a8abad01810694af4
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:41:16 2010 +0200

    Removal of dead code from
    arch/m68knommu/platform/68VZ328/config.c
    drivers/serial/68328serial.h
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c
index fc5c630..eabaabe 100644
--- a/arch/m68knommu/platform/68VZ328/config.c
+++ b/arch/m68knommu/platform/68VZ328/config.c
@@ -90,11 +90,6 @@ static void init_hardware(char *command, int size)
 	PDIQEG &= ~PD(1);
 	PDIRQEN |= PD(1);			/* IRQ enabled */
 
-#ifdef CONFIG_68328_SERIAL_UART2
-	/* Enable RXD TXD port bits to enable UART2 */
-	PJSEL &= ~(PJ(5) | PJ(4));
-#endif
-
 #ifdef CONFIG_INIT_LCD
 	/* initialize LCD controller */
 	LSSA = (long) screen_bits;
diff --git a/drivers/serial/68328serial.h b/drivers/serial/68328serial.h
index 58aa215..c6d5382 100644
--- a/drivers/serial/68328serial.h
+++ b/drivers/serial/68328serial.h
@@ -181,13 +181,8 @@ struct m68k_serial {
 /* 
  * Define the number of ports supported and their irqs.
  */
-#ifndef CONFIG_68328_SERIAL_UART2
-#define NR_PORTS 1
-#define UART_IRQ_DEFNS {UART_IRQ_NUM}
-#else
 #define NR_PORTS 2
 #define UART_IRQ_DEFNS {UART1_IRQ_NUM, UART2_IRQ_NUM}
-#endif
 
 #endif /* __KERNEL__ */
 #endif /* !(_MC683XX_SERIAL_H) */

[RFC][PATCH 6/8] Removal of dead code from arch/powerpc/kernel/process.c

[N.P.S.]

commit 12747993cb2b4a07df7a62f247f20aa4a6263cd9
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:36:00 2010 +0200

    Removal of dead code from
    arch/powerpc/kernel/process.c
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    CC: Paul Mackerras <paulus@samba.org>
    CC: <linuxppc-dev@lists.ozlabs.org>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index b1c648a..e622887 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -670,12 +670,7 @@ void exit_thread(void)
 void flush_thread(void)
 {
 	discard_lazy_cpu_state();
-
-#ifdef CONFIG_HAVE_HW_BREAKPOINTS
-	flush_ptrace_hw_breakpoint(current);
-#else /* CONFIG_HAVE_HW_BREAKPOINTS */
 	set_debug_reg_defaults(&current->thread);
-#endif /* CONFIG_HAVE_HW_BREAKPOINTS */
 }
 
 void

[RFC][PATCH 7/8] Removal of dead code from arch/powerpc/mm/tlb_low_64e.S and arch/powerpc/include/asm/exception-64e.h

[N.P.S.]

commit bca5655fdfd3ad0a4891914bd88b28f78e5cec16
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:26:48 2010 +0200

    Removal of dead code from
    arch/powerpc/mm/tlb_low_64e.S
    arch/powerpc/include/asm/exception-64e.h
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    CC: Paul Mackerras <paulus@samba.org>
    CC: <linuxppc-dev@lists.ozlabs.org>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h
index 6d53f31..db74814 100644
--- a/arch/powerpc/include/asm/exception-64e.h
+++ b/arch/powerpc/include/asm/exception-64e.h
@@ -65,14 +65,7 @@
 #define EX_TLB_MMUCR0	(12 * 8) /* Level 0 */
 #define EX_TLB_MAS1	(12 * 8) /* Level 0 */
 #define EX_TLB_MAS2	(13 * 8) /* Level 0 */
-#ifdef CONFIG_BOOK3E_MMU_TLB_STATS
-#define EX_TLB_R8	(14 * 8)
-#define EX_TLB_R9	(15 * 8)
-#define EX_TLB_LR	(16 * 8)
-#define EX_TLB_SIZE	(17 * 8)
-#else
 #define EX_TLB_SIZE	(14 * 8)
-#endif
 
 #define	START_EXCEPTION(label)						\
 	.globl exc_##label##_book3e;					\
@@ -157,36 +150,6 @@ exc_##label##_book3e:
 	addi	r11,r13,PACA_EXTLB;					    \
 	TLB_MISS_RESTORE(r11)
 
-#ifdef CONFIG_BOOK3E_MMU_TLB_STATS
-#define TLB_MISS_PROLOG_STATS						    \
-	mflr	r10;							    \
-	std	r8,EX_TLB_R8(r12);					    \
-	std	r9,EX_TLB_R9(r12);					    \
-	std	r10,EX_TLB_LR(r12);
-#define TLB_MISS_RESTORE_STATS					            \
-	ld	r16,EX_TLB_LR(r12);					    \
-	ld	r9,EX_TLB_R9(r12);					    \
-	ld	r8,EX_TLB_R8(r12);					    \
-	mtlr	r16;
-#define TLB_MISS_STATS_D(name)						    \
-	addi	r9,r13,MMSTAT_DSTATS+name;				    \
-	bl	.tlb_stat_inc;
-#define TLB_MISS_STATS_I(name)						    \
-	addi	r9,r13,MMSTAT_ISTATS+name;				    \
-	bl	.tlb_stat_inc;
-#define TLB_MISS_STATS_X(name)						    \
-	ld	r8,PACA_EXTLB+EX_TLB_ESR(r13);				    \
-	cmpdi	cr2,r8,-1;						    \
-	beq	cr2,61f;						    \
-	addi	r9,r13,MMSTAT_DSTATS+name;				    \
-	b	62f;							    \
-61:	addi	r9,r13,MMSTAT_ISTATS+name;				    \
-62:	bl	.tlb_stat_inc;
-#define TLB_MISS_STATS_SAVE_INFO					    \
-	std	r14,EX_TLB_ESR(r12);	/* save ESR */			    \
-
-
-#else
 #define TLB_MISS_PROLOG_STATS
 #define TLB_MISS_RESTORE_STATS
 #define TLB_MISS_STATS_D(name)
@@ -194,7 +157,6 @@ exc_##label##_book3e:
 #define TLB_MISS_STATS_X(name)
 #define TLB_MISS_STATS_Y(name)
 #define TLB_MISS_STATS_SAVE_INFO
-#endif
 
 #define SET_IVOR(vector_number, vector_offset)	\
 	li	r3,vector_offset@l; 		\
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 8b04c54..fc87217 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -757,13 +757,3 @@ tlb_load_linear_fault:
 	b	exc_data_storage_book3e
 1:	TLB_MISS_EPILOG_ERROR_SPECIAL
 	b	exc_instruction_storage_book3e
-
-
-#ifdef CONFIG_BOOK3E_MMU_TLB_STATS
-.tlb_stat_inc:
-1:	ldarx	r8,0,r9
-	addi	r8,r8,1
-	stdcx.	r8,0,r9
-	bne-	1b
-	blr
-#endif

[RFC][PATCH 8/8] Removal of dead code from arch/h8300/kernel/time.c

[N.P.S.]

commit df836d3ba767abc31e96ba95db318f4d023d9023
Author: N.P.S <napohybelskurwysynom2010@gmail.com>
Date:   Thu Oct 21 23:11:58 2010 +0200

    Removal of dead code from arch/h8300/kernel/time.c
    
    Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
    CC: Yoshinori Sato <ysato@users.sourceforge.jp>
    CC: <linux-kernel@vger.kernel.org>

diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c
index 165005a..ebc3de3 100644
--- a/arch/h8300/kernel/time.c
+++ b/arch/h8300/kernel/time.c
@@ -51,9 +51,6 @@ void read_persistent_clock(struct timespec *ts)
 	year = 1980;
 	mon = day = 1;
 	hour = min = sec = 0;
-#ifdef CONFIG_H8300_GETTOD
-	h8300_gettod (&year, &mon, &day, &hour, &min, &sec);
-#endif
 	if ((year += 1900) < 1970)
 		year += 100;
 	ts->tv_sec = mktime(year, mon, day, hour, min, sec);