* [linux-next:master 1969/7397] drivers/cache/starfive_starlink_cache.c:40:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations
@ 2024-06-21 0:39 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-06-21 0:39 UTC (permalink / raw)
To: Joshua Yeong; +Cc: oe-kbuild-all, Linux Memory Management List, Conor Dooley
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: b992b79ca8bc336fa8e2c80990b5af80ed8f36fd
commit: cabff60ca77da6cb460988e2af40bde95776d92b [1969/7397] cache: Add StarFive StarLink cache management
config: riscv-randconfig-r061-20240621 (https://download.01.org/0day-ci/archive/20240621/202406210833.YnAXTakc-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad79a14c9e5ec4a369eed4adf567c22cc029863f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240621/202406210833.YnAXTakc-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406210833.YnAXTakc-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
744 | insb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb'
104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:752:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
752 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw'
105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
760 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl'
106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
769 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb'
118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
778 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw'
119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
787 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'
120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/cache/starfive_starlink_cache.c:12:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1115 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/cache/starfive_starlink_cache.c:40:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
40 | ret = readq_poll_timeout_atomic(ctl, v, !(v & STARLINK_CACHE_FLUSH_CTL_ENABLE_MASK),
| ^
include/linux/iopoll.h:179:28: note: expanded from macro 'readq_poll_timeout_atomic'
179 | readx_poll_timeout_atomic(readq, addr, val, cond, delay_us, timeout_us)
| ^
>> drivers/cache/starfive_starlink_cache.c:49:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ^
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
include/linux/bitfield.h:116:38: note: expanded from macro 'FIELD_PREP'
116 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \
| ~~~~~~~~~^~~~~~
include/linux/bitfield.h:45:38: note: expanded from macro '__bf_shf'
45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
| ^
>> drivers/cache/starfive_starlink_cache.c:49:20: warning: shift count is negative [-Wshift-count-negative]
49 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
include/linux/bitfield.h:116:49: note: expanded from macro 'FIELD_PREP'
116 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \
| ^~~~~
drivers/cache/starfive_starlink_cache.c:51:20: warning: shift count is negative [-Wshift-count-negative]
51 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
drivers/cache/starfive_starlink_cache.c:51:20: warning: shift count is negative [-Wshift-count-negative]
51 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
drivers/cache/starfive_starlink_cache.c:51:20: warning: shift count is negative [-Wshift-count-negative]
51 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
467 | if (!(condition)) \
| ^~~~~~~~~
drivers/cache/starfive_starlink_cache.c:51:20: warning: shift count is negative [-Wshift-count-negative]
51 | writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/cache/starfive_starlink_cache.c:22:44: note: expanded from macro 'STARLINK_CACHE_ADDRESS_RANGE_MASK'
22 | #define STARLINK_CACHE_ADDRESS_RANGE_MASK GENMASK(39, 0)
| ^
include/linux/bits.h:35:31: note: expanded from macro 'GENMASK'
35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^
include/uapi/linux/bits.h:9:19: note: expanded from macro '__GENMASK'
9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:487:22: note: expanded from macro 'compiletime_assert'
487 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:475:23: note: expanded from macro '_compiletime_assert'
475 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:467:9: note: expanded from macro '__compiletime_assert'
..
vim +/readq +40 drivers/cache/starfive_starlink_cache.c
33
34 static void starlink_cache_flush_complete(void)
35 {
36 volatile void __iomem *ctl = starlink_cache_base + STARLINK_CACHE_FLUSH_CTL;
37 u64 v;
38 int ret;
39
> 40 ret = readq_poll_timeout_atomic(ctl, v, !(v & STARLINK_CACHE_FLUSH_CTL_ENABLE_MASK),
41 STARLINK_CACHE_FLUSH_POLL_DELAY_US,
42 STARLINK_CACHE_FLUSH_TIMEOUT_US);
43 if (ret)
44 WARN(1, "StarFive Starlink cache flush operation timeout\n");
45 }
46
47 static void starlink_cache_dma_cache_wback(phys_addr_t paddr, unsigned long size)
48 {
> 49 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
50 starlink_cache_base + STARLINK_CACHE_FLUSH_START_ADDR);
51 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
52 starlink_cache_base + STARLINK_CACHE_FLUSH_END_ADDR);
53
54 mb();
55 writeq(FIELD_PREP(STARLINK_CACHE_FLUSH_CTL_MODE_MASK,
56 STARLINK_CACHE_FLUSH_CTL_CLEAN_SHARED),
57 starlink_cache_base + STARLINK_CACHE_FLUSH_CTL);
58
59 starlink_cache_flush_complete();
60 }
61
62 static void starlink_cache_dma_cache_invalidate(phys_addr_t paddr, unsigned long size)
63 {
64 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
65 starlink_cache_base + STARLINK_CACHE_FLUSH_START_ADDR);
66 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
67 starlink_cache_base + STARLINK_CACHE_FLUSH_END_ADDR);
68
69 mb();
70 writeq(FIELD_PREP(STARLINK_CACHE_FLUSH_CTL_MODE_MASK,
71 STARLINK_CACHE_FLUSH_CTL_MAKE_INVALIDATE),
72 starlink_cache_base + STARLINK_CACHE_FLUSH_CTL);
73
74 starlink_cache_flush_complete();
75 }
76
77 static void starlink_cache_dma_cache_wback_inv(phys_addr_t paddr, unsigned long size)
78 {
79 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr),
80 starlink_cache_base + STARLINK_CACHE_FLUSH_START_ADDR);
81 writeq(FIELD_PREP(STARLINK_CACHE_ADDRESS_RANGE_MASK, paddr + size),
82 starlink_cache_base + STARLINK_CACHE_FLUSH_END_ADDR);
83
84 mb();
85 writeq(FIELD_PREP(STARLINK_CACHE_FLUSH_CTL_MODE_MASK,
86 STARLINK_CACHE_FLUSH_CTL_CLEAN_INVALIDATE),
87 starlink_cache_base + STARLINK_CACHE_FLUSH_CTL);
88
89 starlink_cache_flush_complete();
90 }
91
92 static const struct riscv_nonstd_cache_ops starlink_cache_ops = {
> 93 .wback = &starlink_cache_dma_cache_wback,
94 .inv = &starlink_cache_dma_cache_invalidate,
95 .wback_inv = &starlink_cache_dma_cache_wback_inv,
96 };
97
--
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2024-06-21 0:39 [linux-next:master 1969/7397] drivers/cache/starfive_starlink_cache.c:40:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations kernel test robot
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