[bvanassche:scsi-const-host-template 12/88] drivers/ata/pata_platform.c:221:20: error: passing 'const struct scsi_host_template ' to parameter of type 'struct scsi_host_template ' discards qualifiers

From: kernel test robot
Date: Wed Aug 10 2022 - 20:47:53 EST

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tree: https://github.com/bvanassche/linux scsi-const-host-template
head: 13249cc58dd0478af230234f124ec75b5331c348
commit: 21962245b3c73a5e7c9b7b3c129a83f5c1c31608 [12/88] ata
config: powerpc-randconfig-r032-20220810 (https://download.01.org/0day-ci/archive/20220811/202208110827.RxTOue3F-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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/bvanassche/linux/commit/21962245b3c73a5e7c9b7b3c129a83f5c1c31608
git remote add bvanassche https://github.com/bvanassche/linux
git fetch --no-tags bvanassche scsi-const-host-template
git checkout 21962245b3c73a5e7c9b7b3c129a83f5c1c31608
# 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 SHELL=/bin/bash drivers/ata/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

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>:220:1: 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/ata/pata_platform.c:16:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
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>:222:1: 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/ata/pata_platform.c:16:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
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>:224:1: 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/ata/pata_platform.c:16:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
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>:226:1: 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/ata/pata_platform.c:16:
In file included from include/linux/blkdev.h:9:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
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>:228:1: 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/ata/pata_platform.c:221:20: error: passing 'const struct scsi_host_template *' to parameter of type 'struct scsi_host_template *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
pio_mask, &pata_platform_sht, false);
^~~~~~~~~~~~~~~~~~
drivers/ata/pata_platform.c:183:19: note: passing argument to parameter here
EXPORT_SYMBOL_GPL(__pata_platform_probe);
^
6 warnings and 1 error generated.
--
In file included from drivers/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insb, (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>:141:1: 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/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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>:143:1: 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/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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>:145:1: 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/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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>:147:1: 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/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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>:149:1: 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/ata/pata_of_platform.c:11:
In file included from include/linux/of_address.h:7:
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>:151:1: 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/ata/pata_of_platform.c:76:31: error: passing 'const struct scsi_host_template *' to parameter of type 'struct scsi_host_template *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
reg_shift, pio_mask, &pata_platform_sht,
^~~~~~~~~~~~~~~~~~
include/linux/ata_platform.h:22:33: note: passing argument to parameter 'sht' here
struct scsi_host_template *sht,
^
6 warnings and 1 error generated.

vim +221 drivers/ata/pata_platform.c

a20c9e820864e1 Paul Mundt 2006-10-27 184
0ec24914675c48 Greg Kroah-Hartman 2012-12-21 185 static int pata_platform_probe(struct platform_device *pdev)
cf03613e9662c2 Anton Vorontsov 2008-01-09 186 {
cf03613e9662c2 Anton Vorontsov 2008-01-09 187 struct resource *io_res;
cf03613e9662c2 Anton Vorontsov 2008-01-09 188 struct resource *ctl_res;
cf03613e9662c2 Anton Vorontsov 2008-01-09 189 struct resource *irq_res;
61b8c345aa8c50 Jingoo Han 2013-07-30 190 struct pata_platform_info *pp_info = dev_get_platdata(&pdev->dev);
cf03613e9662c2 Anton Vorontsov 2008-01-09 191
cf03613e9662c2 Anton Vorontsov 2008-01-09 192 /*
cf03613e9662c2 Anton Vorontsov 2008-01-09 193 * Simple resource validation ..
cf03613e9662c2 Anton Vorontsov 2008-01-09 194 */
cf03613e9662c2 Anton Vorontsov 2008-01-09 195 if ((pdev->num_resources != 3) && (pdev->num_resources != 2)) {
cf03613e9662c2 Anton Vorontsov 2008-01-09 196 dev_err(&pdev->dev, "invalid number of resources\n");
cf03613e9662c2 Anton Vorontsov 2008-01-09 197 return -EINVAL;
cf03613e9662c2 Anton Vorontsov 2008-01-09 198 }
cf03613e9662c2 Anton Vorontsov 2008-01-09 199
cf03613e9662c2 Anton Vorontsov 2008-01-09 200 /*
cf03613e9662c2 Anton Vorontsov 2008-01-09 201 * Get the I/O base first
cf03613e9662c2 Anton Vorontsov 2008-01-09 202 */
8818a5342cb499 Lad Prabhakar 2022-01-17 203 io_res = platform_get_mem_or_io(pdev, 0);
8818a5342cb499 Lad Prabhakar 2022-01-17 204 if (!io_res)
cf03613e9662c2 Anton Vorontsov 2008-01-09 205 return -EINVAL;
cf03613e9662c2 Anton Vorontsov 2008-01-09 206
cf03613e9662c2 Anton Vorontsov 2008-01-09 207 /*
cf03613e9662c2 Anton Vorontsov 2008-01-09 208 * Then the CTL base
cf03613e9662c2 Anton Vorontsov 2008-01-09 209 */
8818a5342cb499 Lad Prabhakar 2022-01-17 210 ctl_res = platform_get_mem_or_io(pdev, 1);
8818a5342cb499 Lad Prabhakar 2022-01-17 211 if (!ctl_res)
cf03613e9662c2 Anton Vorontsov 2008-01-09 212 return -EINVAL;
cf03613e9662c2 Anton Vorontsov 2008-01-09 213
cf03613e9662c2 Anton Vorontsov 2008-01-09 214 /*
cf03613e9662c2 Anton Vorontsov 2008-01-09 215 * And the IRQ
cf03613e9662c2 Anton Vorontsov 2008-01-09 216 */
cf03613e9662c2 Anton Vorontsov 2008-01-09 217 irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
cf03613e9662c2 Anton Vorontsov 2008-01-09 218
cf03613e9662c2 Anton Vorontsov 2008-01-09 219 return __pata_platform_probe(&pdev->dev, io_res, ctl_res, irq_res,
cf03613e9662c2 Anton Vorontsov 2008-01-09 220 pp_info ? pp_info->ioport_shift : 0,
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 @221 pio_mask, &pata_platform_sht, false);
cf03613e9662c2 Anton Vorontsov 2008-01-09 222 }
cf03613e9662c2 Anton Vorontsov 2008-01-09 223

:::::: The code at line 221 was first introduced by commit
:::::: f3d5e4f18dba18d7c2303dda68b9dbcf5ccc05cd ata: pata_of_platform: Allow to use 16-bit wide data transfer

:::::: TO: Alexander Shiyan <shc_work@xxxxxxx>
:::::: CC: Jens Axboe <axboe@xxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

[bvanassche:scsi-const-host-template 12/88] drivers/ata/pata_platform.c:221:20: error: passing 'const struct scsi_host_template *' to parameter of type 'struct scsi_host_template *' discards qualifiers

[bvanassche:scsi-const-host-template 12/88] drivers/ata/pata_platform.c:221:20: error: passing 'const struct scsi_host_template ' to parameter of type 'struct scsi_host_template ' discards qualifiers