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Message-ID: <202303250526.oZMat3JD-lkp@intel.com>
Date:   Sat, 25 Mar 2023 05:53:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Richard Fitzgerald via Alsa-devel <alsa-devel@...a-project.org>,
        broonie@...nel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        patches@...nsource.cirrus.com, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org,
        Simon Trimmer <simont@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: Re: [PATCH] firmware: cs_dsp: Add a debugfs entry containing control
 details

Hi Richard,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.3-rc3 next-20230324]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Richard-Fitzgerald-via-Alsa-devel/firmware-cs_dsp-Add-a-debugfs-entry-containing-control-details/20230325-001558
patch link:    https://lore.kernel.org/r/167967423036.26.11080959777905296733%40mailman-core.alsa-project.org
patch subject: [PATCH] firmware: cs_dsp: Add a debugfs entry containing control details
config: powerpc-randconfig-r001-20230322 (https://download.01.org/0day-ci/archive/20230325/202303250526.oZMat3JD-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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 powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/2e31e4948e1f907f41ef4946c6f59426c2206b95
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Richard-Fitzgerald-via-Alsa-devel/firmware-cs_dsp-Add-a-debugfs-entry-containing-control-details/20230325-001558
        git checkout 2e31e4948e1f907f41ef4946c6f59426c2206b95
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/firmware/cirrus/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303250526.oZMat3JD-lkp@intel.com/

All warnings (new ones prefixed by >>):

   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:77:1: note: expanded from here
   __do_insb
   ^
   arch/powerpc/include/asm/io.h:577:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/firmware/cirrus/cs_dsp.c:21:
   In file included from include/linux/firmware/cirrus/cs_dsp.h:18:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:79:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:578:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/firmware/cirrus/cs_dsp.c:21:
   In file included from include/linux/firmware/cirrus/cs_dsp.h:18:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:81:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:579:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/firmware/cirrus/cs_dsp.c:21:
   In file included from include/linux/firmware/cirrus/cs_dsp.h:18:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:83:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:580:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/firmware/cirrus/cs_dsp.c:21:
   In file included from include/linux/firmware/cirrus/cs_dsp.h:18:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:85:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:581:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/firmware/cirrus/cs_dsp.c:21:
   In file included from include/linux/firmware/cirrus/cs_dsp.h:18:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:640:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:87:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:582:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> drivers/firmware/cirrus/cs_dsp.c:472:39: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
                              ctl->subname_len, ctl->subname, ctl->len,
                                                              ^~~~~~~~
   7 warnings generated.


vim +472 drivers/firmware/cirrus/cs_dsp.c

   459	
   460	static int cs_dsp_coeff_base_reg(struct cs_dsp_coeff_ctl *ctl, unsigned int *reg,
   461					 unsigned int off);
   462	
   463	static int cs_dsp_debugfs_read_controls_show(struct seq_file *s, void *ignored)
   464	{
   465		struct cs_dsp *dsp = s->private;
   466		struct cs_dsp_coeff_ctl *ctl;
   467		unsigned int reg;
   468	
   469		list_for_each_entry(ctl, &dsp->ctl_list, list) {
   470			cs_dsp_coeff_base_reg(ctl, &reg, 0);
   471			seq_printf(s, "%22.*s: %#8lx %s:%08x %#8x %s %#8x %#4x %c%c%c%c %s %s\n",
 > 472				   ctl->subname_len, ctl->subname, ctl->len,
   473				   cs_dsp_mem_region_name(ctl->alg_region.type),
   474				   ctl->offset, reg, ctl->fw_name, ctl->alg_region.alg, ctl->type,
   475				   ctl->flags & WMFW_CTL_FLAG_VOLATILE ? 'V' : '-',
   476				   ctl->flags & WMFW_CTL_FLAG_SYS ? 'S' : '-',
   477				   ctl->flags & WMFW_CTL_FLAG_READABLE ? 'R' : '-',
   478				   ctl->flags & WMFW_CTL_FLAG_WRITEABLE ? 'W' : '-',
   479				   ctl->enabled ? "enabled" : "disabled",
   480				   ctl->set ? "dirty" : "clean");
   481		}
   482	
   483		return 0;
   484	}
   485	DEFINE_SHOW_ATTRIBUTE(cs_dsp_debugfs_read_controls);
   486	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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