[linux-stable-rc:linux-3.14.y 1941/4754] arch/mips/jz4740/irq.c:62:6: error: conflicting types for 'jz4740_irq_suspend'

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Hi,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.14.y
head:   96f343e0621a0d5afa9c2a34e2aee69f33b6eb5c
commit: 017ff97daa4a7892181a4dd315c657108419da0c [1941/4754] kernel: add support for gcc 5
config: mips-jz4740 (attached as .config)
compiler: mipsel-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 017ff97daa4a7892181a4dd315c657108419da0c
        # save the attached .config to linux build tree
        make.cross ARCH=mips 

All errors (new ones prefixed by >>):

   In file included from arch/mips/include/asm/irq.h:18:0,
                    from include/linux/irq.h:24,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/jz4740/irq.c:19:
   arch/mips/jz4740/irq.h:20:39: warning: 'struct irq_data' declared inside parameter list
    extern void jz4740_irq_suspend(struct irq_data *data);
                                          ^
   arch/mips/jz4740/irq.h:20:39: warning: its scope is only this definition or declaration, which is probably not what you want
   arch/mips/jz4740/irq.h:21:38: warning: 'struct irq_data' declared inside parameter list
    extern void jz4740_irq_resume(struct irq_data *data);
                                         ^
   In file included from include/linux/irq.h:363:0,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/jz4740/irq.c:19:
   include/linux/irqdesc.h:80:33: error: 'NR_IRQS' undeclared here (not in a function)
    extern struct irq_desc irq_desc[NR_IRQS];
                                    ^
   arch/mips/jz4740/irq.c: In function 'jz4740_cascade':
   arch/mips/jz4740/irq.c:49:39: error: 'JZ4740_IRQ_BASE' undeclared (first use in this function)
      generic_handle_irq(__fls(irq_reg) + JZ4740_IRQ_BASE);
                                          ^
   arch/mips/jz4740/irq.c:49:39: note: each undeclared identifier is reported only once for each function it appears in
   arch/mips/jz4740/irq.c: At top level:
>> arch/mips/jz4740/irq.c:62:6: error: conflicting types for 'jz4740_irq_suspend'
    void jz4740_irq_suspend(struct irq_data *data)
         ^
   In file included from arch/mips/include/asm/irq.h:18:0,
                    from include/linux/irq.h:24,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/jz4740/irq.c:19:
   arch/mips/jz4740/irq.h:20:13: note: previous declaration of 'jz4740_irq_suspend' was here
    extern void jz4740_irq_suspend(struct irq_data *data);
                ^
>> arch/mips/jz4740/irq.c:68:6: error: conflicting types for 'jz4740_irq_resume'
    void jz4740_irq_resume(struct irq_data *data)
         ^
   In file included from arch/mips/include/asm/irq.h:18:0,
                    from include/linux/irq.h:24,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/jz4740/irq.c:19:
   arch/mips/jz4740/irq.h:21:13: note: previous declaration of 'jz4740_irq_resume' was here
    extern void jz4740_irq_resume(struct irq_data *data);
                ^
   arch/mips/jz4740/irq.c: In function 'arch_init_irq':
   arch/mips/jz4740/irq.c:91:41: error: 'JZ4740_IRQ_BASE' undeclared (first use in this function)
     gc = irq_alloc_generic_chip("INTC", 1, JZ4740_IRQ_BASE, jz_intc_base,
                                            ^
--
   arch/mips/kernel/r4k_fpu.S: Assembler messages:
>> arch/mips/kernel/r4k_fpu.S:68: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f0,272+0($4)'
   arch/mips/kernel/r4k_fpu.S:69: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f2,272+16($4)'
   arch/mips/kernel/r4k_fpu.S:70: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f4,272+32($4)'
   arch/mips/kernel/r4k_fpu.S:71: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f6,272+48($4)'
   arch/mips/kernel/r4k_fpu.S:72: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f8,272+64($4)'
   arch/mips/kernel/r4k_fpu.S:73: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f10,272+80($4)'
   arch/mips/kernel/r4k_fpu.S:74: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f12,272+96($4)'
   arch/mips/kernel/r4k_fpu.S:75: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f14,272+112($4)'
   arch/mips/kernel/r4k_fpu.S:76: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f16,272+128($4)'
   arch/mips/kernel/r4k_fpu.S:77: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f18,272+144($4)'
   arch/mips/kernel/r4k_fpu.S:78: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f20,272+160($4)'
   arch/mips/kernel/r4k_fpu.S:79: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f22,272+176($4)'
   arch/mips/kernel/r4k_fpu.S:80: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f24,272+192($4)'
   arch/mips/kernel/r4k_fpu.S:81: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f26,272+208($4)'
   arch/mips/kernel/r4k_fpu.S:82: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f28,272+224($4)'
   arch/mips/kernel/r4k_fpu.S:83: Error: opcode not supported on this processor: mips3 (mips3) `sdc1 $f30,272+240($4)'
>> arch/mips/kernel/r4k_fpu.S:178: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f0,272+0($4)'
   arch/mips/kernel/r4k_fpu.S:179: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f2,272+16($4)'
   arch/mips/kernel/r4k_fpu.S:180: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f4,272+32($4)'
   arch/mips/kernel/r4k_fpu.S:181: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f6,272+48($4)'
   arch/mips/kernel/r4k_fpu.S:182: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f8,272+64($4)'
   arch/mips/kernel/r4k_fpu.S:183: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f10,272+80($4)'
   arch/mips/kernel/r4k_fpu.S:184: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f12,272+96($4)'
   arch/mips/kernel/r4k_fpu.S:185: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f14,272+112($4)'
   arch/mips/kernel/r4k_fpu.S:186: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f16,272+128($4)'
   arch/mips/kernel/r4k_fpu.S:187: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f18,272+144($4)'
   arch/mips/kernel/r4k_fpu.S:188: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f20,272+160($4)'
   arch/mips/kernel/r4k_fpu.S:189: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f22,272+176($4)'
   arch/mips/kernel/r4k_fpu.S:190: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f24,272+192($4)'
   arch/mips/kernel/r4k_fpu.S:191: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f26,272+208($4)'
   arch/mips/kernel/r4k_fpu.S:192: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f28,272+224($4)'
   arch/mips/kernel/r4k_fpu.S:193: Error: opcode not supported on this processor: mips3 (mips3) `ldc1 $f30,272+240($4)'
--
   arch/mips/kernel/r4k_switch.S: Assembler messages:
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f0,952($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f2,968($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f4,984($4)'
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f6,1000($4)'
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f8,1016($4)'
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f10,1032($4)'
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f12,1048($4)'
>> arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f14,1064($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f16,1080($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f18,1096($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f20,1112($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f22,1128($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f24,1144($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f26,1160($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f28,1176($4)'
   arch/mips/kernel/r4k_switch.S:67: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f30,1192($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f0,952($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f2,968($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f4,984($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f6,1000($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f8,1016($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f10,1032($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f12,1048($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f14,1064($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f16,1080($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f18,1096($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f20,1112($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f22,1128($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f24,1144($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f26,1160($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f28,1176($4)'
   arch/mips/kernel/r4k_switch.S:129: Error: opcode not supported on this processor: mips32 (mips32) `sdc1 $f30,1192($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f0,952($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f2,968($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f4,984($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f6,1000($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f8,1016($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f10,1032($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f12,1048($4)'
>> arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f14,1064($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f16,1080($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f18,1096($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f20,1112($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f22,1128($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f24,1144($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f26,1160($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f28,1176($4)'
   arch/mips/kernel/r4k_switch.S:140: Error: opcode not supported on this processor: mips32 (mips32) `ldc1 $f30,1192($4)'
>> arch/mips/kernel/r4k_switch.S:199: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f0'
>> arch/mips/kernel/r4k_switch.S:200: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f1'
>> arch/mips/kernel/r4k_switch.S:201: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f2'
>> arch/mips/kernel/r4k_switch.S:202: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f3'
>> arch/mips/kernel/r4k_switch.S:203: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f4'
>> arch/mips/kernel/r4k_switch.S:204: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f5'
>> arch/mips/kernel/r4k_switch.S:205: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f6'
>> arch/mips/kernel/r4k_switch.S:206: Error: opcode not supported on this processor: mips32 (mips32) `mtc1 $9,$f7'

vim +/jz4740_irq_suspend +62 arch/mips/jz4740/irq.c

9869848d Lars-Peter Clausen 2010-07-17  13   *
9869848d Lars-Peter Clausen 2010-07-17  14   */
9869848d Lars-Peter Clausen 2010-07-17  15  
9869848d Lars-Peter Clausen 2010-07-17  16  #include <linux/errno.h>
9869848d Lars-Peter Clausen 2010-07-17  17  #include <linux/init.h>
9869848d Lars-Peter Clausen 2010-07-17  18  #include <linux/types.h>
9869848d Lars-Peter Clausen 2010-07-17 @19  #include <linux/interrupt.h>
9869848d Lars-Peter Clausen 2010-07-17  20  #include <linux/ioport.h>
9869848d Lars-Peter Clausen 2010-07-17  21  #include <linux/timex.h>
9869848d Lars-Peter Clausen 2010-07-17  22  #include <linux/slab.h>
9869848d Lars-Peter Clausen 2010-07-17  23  #include <linux/delay.h>
9869848d Lars-Peter Clausen 2010-07-17  24  
9869848d Lars-Peter Clausen 2010-07-17  25  #include <linux/debugfs.h>
9869848d Lars-Peter Clausen 2010-07-17  26  #include <linux/seq_file.h>
9869848d Lars-Peter Clausen 2010-07-17  27  
9869848d Lars-Peter Clausen 2010-07-17  28  #include <asm/io.h>
9869848d Lars-Peter Clausen 2010-07-17  29  #include <asm/mipsregs.h>
9869848d Lars-Peter Clausen 2010-07-17  30  #include <asm/irq_cpu.h>
9869848d Lars-Peter Clausen 2010-07-17  31  
9869848d Lars-Peter Clausen 2010-07-17  32  #include <asm/mach-jz4740/base.h>
9869848d Lars-Peter Clausen 2010-07-17  33  
9869848d Lars-Peter Clausen 2010-07-17  34  static void __iomem *jz_intc_base;
9869848d Lars-Peter Clausen 2010-07-17  35  
9869848d Lars-Peter Clausen 2010-07-17  36  #define JZ_REG_INTC_STATUS	0x00
9869848d Lars-Peter Clausen 2010-07-17  37  #define JZ_REG_INTC_MASK	0x04
9869848d Lars-Peter Clausen 2010-07-17  38  #define JZ_REG_INTC_SET_MASK	0x08
9869848d Lars-Peter Clausen 2010-07-17  39  #define JZ_REG_INTC_CLEAR_MASK	0x0c
9869848d Lars-Peter Clausen 2010-07-17  40  #define JZ_REG_INTC_PENDING	0x10
9869848d Lars-Peter Clausen 2010-07-17  41  
83bc7692 Lars-Peter Clausen 2011-09-24  42  static irqreturn_t jz4740_cascade(int irq, void *data)
9869848d Lars-Peter Clausen 2010-07-17  43  {
83bc7692 Lars-Peter Clausen 2011-09-24  44  	uint32_t irq_reg;
9869848d Lars-Peter Clausen 2010-07-17  45  
83bc7692 Lars-Peter Clausen 2011-09-24  46  	irq_reg = readl(jz_intc_base + JZ_REG_INTC_PENDING);
9869848d Lars-Peter Clausen 2010-07-17  47  
83bc7692 Lars-Peter Clausen 2011-09-24  48  	if (irq_reg)
83bc7692 Lars-Peter Clausen 2011-09-24 @49  		generic_handle_irq(__fls(irq_reg) + JZ4740_IRQ_BASE);
83bc7692 Lars-Peter Clausen 2011-09-24  50  
83bc7692 Lars-Peter Clausen 2011-09-24  51  	return IRQ_HANDLED;
42b64f38 Thomas Gleixner    2011-03-23  52  }
42b64f38 Thomas Gleixner    2011-03-23  53  
83bc7692 Lars-Peter Clausen 2011-09-24  54  static void jz4740_irq_set_mask(struct irq_chip_generic *gc, uint32_t mask)
9869848d Lars-Peter Clausen 2010-07-17  55  {
83bc7692 Lars-Peter Clausen 2011-09-24  56  	struct irq_chip_regs *regs = &gc->chip_types->regs;
9869848d Lars-Peter Clausen 2010-07-17  57  
83bc7692 Lars-Peter Clausen 2011-09-24  58  	writel(mask, gc->reg_base + regs->enable);
83bc7692 Lars-Peter Clausen 2011-09-24  59  	writel(~mask, gc->reg_base + regs->disable);
9869848d Lars-Peter Clausen 2010-07-17  60  }
9869848d Lars-Peter Clausen 2010-07-17  61  
83bc7692 Lars-Peter Clausen 2011-09-24 @62  void jz4740_irq_suspend(struct irq_data *data)
9869848d Lars-Peter Clausen 2010-07-17  63  {
83bc7692 Lars-Peter Clausen 2011-09-24  64  	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
83bc7692 Lars-Peter Clausen 2011-09-24  65  	jz4740_irq_set_mask(gc, gc->wake_active);
83bc7692 Lars-Peter Clausen 2011-09-24  66  }
9869848d Lars-Peter Clausen 2010-07-17  67  
83bc7692 Lars-Peter Clausen 2011-09-24 @68  void jz4740_irq_resume(struct irq_data *data)
83bc7692 Lars-Peter Clausen 2011-09-24  69  {
83bc7692 Lars-Peter Clausen 2011-09-24  70  	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
83bc7692 Lars-Peter Clausen 2011-09-24  71  	jz4740_irq_set_mask(gc, gc->mask_cache);

:::::: The code at line 62 was first introduced by commit
:::::: 83bc769200802c9ce8fd1c7315fd14198d385b12 MIPS: JZ4740: Use generic irq chip

:::::: TO: Lars-Peter Clausen <lars@xxxxxxxxxx>
:::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
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