* drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
@ 2022-02-21 13:18 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-02-21 13:18 UTC (permalink / raw)
To: Gustavo Pimentel; +Cc: llvm, kbuild-all, linux-kernel, Vinod Koul
Hi Gustavo,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cfb92440ee71adcc2105b0890bb01ac3cddb8507
commit: e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec dmaengine: dw-edma: Add support for the HDMA feature
date: 11 months ago
config: mips-randconfig-r001-20220221 (https://download.01.org/0day-ci/archive/20220221/202202212129.7Gipg08u-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/cavium-octeon/crypto/ arch/mips/cavium-octeon/executive/ arch/mips/kernel/ drivers/dma/dw-edma/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
static inline u64 readq_ch(struct dw_edma enum dw_edma_dir dir, u16 ch,
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept (1 - (0x00 == 0x04)); sync 0x00; .endr; .set pop; .else; ; .endif'
clang-15: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 15.0.0 (git://gitmirror/llvm_project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
Target: mips64el-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-d271fc04d5/bin
clang-15: note: diagnostic msg:
Makefile arch drivers include kernel nr_bisected scripts source usr
vim +/readq_ch +192 drivers/dma/dw-edma/dw-edma-v0-core.c
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 191
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 @192 static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 193 const void __iomem *addr)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 194 {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 195 u32 value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 196
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 197 if (dw->mf == EDMA_MF_EDMA_LEGACY) {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 198 u32 viewport_sel;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 199 unsigned long flags;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 200
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 201 raw_spin_lock_irqsave(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 202
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 203 viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 204 if (dir == EDMA_DIR_READ)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 205 viewport_sel |= BIT(31);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 206
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 207 writel(viewport_sel,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 208 &(__dw_regs(dw)->type.legacy.viewport_sel));
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 209 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 210
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 211 raw_spin_unlock_irqrestore(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 212 } else {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 213 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 214 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 215
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 216 return value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 217 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 218
:::::: The code at line 192 was first introduced by commit
:::::: 04e0a39fc10f82a71b84af73351333b184cee578 dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
:::::: TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
:::::: CC: Vinod Koul <vkoul@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 5+ messages in thread
* drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
@ 2023-01-19 0:14 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-01-19 0:14 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "gcc: unused function warning for stub function"
::::::
BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
CC: Vinod Koul <vkoul@kernel.org>
Hi Gustavo,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7287904c8771b77b9504f53623bb477065c19a58
commit: e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec dmaengine: dw-edma: Add support for the HDMA feature
date: 1 year, 10 months ago
:::::: branch date: 84 minutes ago
:::::: commit date: 1 year, 10 months ago
config: x86_64-randconfig-a002-20230116 (https://download.01.org/0day-ci/archive/20230119/202301190830.KA2m7fiH-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/dma/dw-edma/ drivers/hid/intel-ish-hid/ drivers/scsi/ufs/ drivers/staging/ fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch' [-Wunused-function]
static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
^
1 warning generated.
vim +/readq_ch +192 drivers/dma/dw-edma/dw-edma-v0-core.c
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 191
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 @192 static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 193 const void __iomem *addr)
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 194 {
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 195 u32 value;
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 196
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 197 if (dw->mf == EDMA_MF_EDMA_LEGACY) {
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 198 u32 viewport_sel;
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 199 unsigned long flags;
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 200
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 201 raw_spin_lock_irqsave(&dw->lock, flags);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 202
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 203 viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 204 if (dir == EDMA_DIR_READ)
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 205 viewport_sel |= BIT(31);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 206
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 207 writel(viewport_sel,
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 208 &(__dw_regs(dw)->type.legacy.viewport_sel));
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 209 value = readq(addr);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 210
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 211 raw_spin_unlock_irqrestore(&dw->lock, flags);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 212 } else {
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 213 value = readq(addr);
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 214 }
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 215
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 216 return value;
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 217 }
04e0a39fc10f82a Gustavo Pimentel 2021-02-18 218
:::::: The code at line 192 was first introduced by commit
:::::: 04e0a39fc10f82a71b84af73351333b184cee578 dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
:::::: TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
:::::: CC: Vinod Koul <vkoul@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 5+ messages in thread
* drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
@ 2022-04-23 22:07 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-04-23 22:07 UTC (permalink / raw)
To: Gustavo Pimentel; +Cc: llvm, kbuild-all, linux-kernel, Vinod Koul
Hi Gustavo,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 13bc32bad7059d6c5671e9d037e6e3ed001cc0f4
commit: e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec dmaengine: dw-edma: Add support for the HDMA feature
date: 1 year, 1 month ago
config: mips-randconfig-r032-20220424 (https://download.01.org/0day-ci/archive/20220424/202204240640.NsKCxxv9-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/dma/dw-edma/ drivers/usb/gadget/ fs/overlayfs/ kernel/bpf/ sound/core/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
static inline u64 readq_ch(struct dw_edma enum dw_edma_dir dir, u16 ch,
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif'
clang-15: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 15.0.0 (git://gitmirror/llvm_project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
Target: mips64el-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-1cddcfdc3c/bin
clang-15: note: diagnostic msg:
Makefile arch block drivers fs include kernel mm nr_bisected scripts sound source usr virt
vim +/readq_ch +192 drivers/dma/dw-edma/dw-edma-v0-core.c
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 191
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 @192 static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 193 const void __iomem *addr)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 194 {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 195 u32 value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 196
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 197 if (dw->mf == EDMA_MF_EDMA_LEGACY) {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 198 u32 viewport_sel;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 199 unsigned long flags;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 200
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 201 raw_spin_lock_irqsave(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 202
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 203 viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 204 if (dir == EDMA_DIR_READ)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 205 viewport_sel |= BIT(31);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 206
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 207 writel(viewport_sel,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 208 &(__dw_regs(dw)->type.legacy.viewport_sel));
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 209 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 210
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 211 raw_spin_unlock_irqrestore(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 212 } else {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 213 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 214 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 215
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 216 return value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 217 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 218
:::::: The code at line 192 was first introduced by commit
:::::: 04e0a39fc10f82a71b84af73351333b184cee578 dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
:::::: TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
:::::: CC: Vinod Koul <vkoul@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 5+ messages in thread
* drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
@ 2021-12-07 7:57 ` kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2021-12-07 7:57 UTC (permalink / raw)
To: Gustavo Pimentel; +Cc: llvm, kbuild-all, linux-kernel, Vinod Koul
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cd8c917a56f20f48748dd43d9ae3caff51d5b987
commit: e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec dmaengine: dw-edma: Add support for the HDMA feature
date: 9 months ago
config: mips-buildonly-randconfig-r004-20211207 (https://download.01.org/0day-ci/archive/20211207/202112071510.Udt7cE6h-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f50be8eb0a12a61d23db6cda452c693001d76898)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/mm/ drivers/dma/dw-edma/ drivers/video/fbdev/savage/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
static inline u64 readq_ch(struct dw_edma enum dw_edma_dir dir, u16 ch,
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif'
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
Target: mips64el-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-097a1cb1d5/bin
clang-14: note: diagnostic msg:
Makefile arch drivers include kernel nr_bisected scripts source usr
vim +/readq_ch +192 drivers/dma/dw-edma/dw-edma-v0-core.c
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 191
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 @192 static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 193 const void __iomem *addr)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 194 {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 195 u32 value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 196
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 197 if (dw->mf == EDMA_MF_EDMA_LEGACY) {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 198 u32 viewport_sel;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 199 unsigned long flags;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 200
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 201 raw_spin_lock_irqsave(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 202
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 203 viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 204 if (dir == EDMA_DIR_READ)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 205 viewport_sel |= BIT(31);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 206
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 207 writel(viewport_sel,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 208 &(__dw_regs(dw)->type.legacy.viewport_sel));
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 209 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 210
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 211 raw_spin_unlock_irqrestore(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 212 } else {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 213 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 214 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 215
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 216 return value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 217 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 218
:::::: The code at line 192 was first introduced by commit
:::::: 04e0a39fc10f82a71b84af73351333b184cee578 dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
:::::: TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
:::::: CC: Vinod Koul <vkoul@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 5+ messages in thread
* drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
@ 2021-12-07 7:57 ` kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2021-12-07 7:57 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 5007 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cd8c917a56f20f48748dd43d9ae3caff51d5b987
commit: e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec dmaengine: dw-edma: Add support for the HDMA feature
date: 9 months ago
config: mips-buildonly-randconfig-r004-20211207 (https://download.01.org/0day-ci/archive/20211207/202112071510.Udt7cE6h-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f50be8eb0a12a61d23db6cda452c693001d76898)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e0c1d53891c43a70c9fa85ddb3174ab5afd7e2ec
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/mm/ drivers/dma/dw-edma/ drivers/video/fbdev/savage/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch'
static inline u64 readq_ch(struct dw_edma enum dw_edma_dir dir, u16 ch,
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif'
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
Target: mips64el-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-097a1cb1d5/bin
clang-14: note: diagnostic msg:
Makefile arch drivers include kernel nr_bisected scripts source usr
vim +/readq_ch +192 drivers/dma/dw-edma/dw-edma-v0-core.c
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 191
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 @192 static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 193 const void __iomem *addr)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 194 {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 195 u32 value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 196
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 197 if (dw->mf == EDMA_MF_EDMA_LEGACY) {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 198 u32 viewport_sel;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 199 unsigned long flags;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 200
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 201 raw_spin_lock_irqsave(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 202
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 203 viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 204 if (dir == EDMA_DIR_READ)
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 205 viewport_sel |= BIT(31);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 206
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 207 writel(viewport_sel,
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 208 &(__dw_regs(dw)->type.legacy.viewport_sel));
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 209 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 210
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 211 raw_spin_unlock_irqrestore(&dw->lock, flags);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 212 } else {
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 213 value = readq(addr);
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 214 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 215
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 216 return value;
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 217 }
04e0a39fc10f82 Gustavo Pimentel 2021-02-18 218
:::::: The code at line 192 was first introduced by commit
:::::: 04e0a39fc10f82a71b84af73351333b184cee578 dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
:::::: TO: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
:::::: CC: Vinod Koul <vkoul@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-01-19 0:15 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2022-02-21 13:18 drivers/dma/dw-edma/dw-edma-v0-core.c:192:19: warning: unused function 'readq_ch' kernel test robot
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