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Message-ID: <202207130130.3Cd4bdQA-lkp@intel.com>
Date: Wed, 13 Jul 2022 01:25:11 +0800
From: kernel test robot <lkp@...el.com>
To: Stephen Boyd <swboyd@...omium.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Bixuan Cui <cuibixuan@...wei.com>,
Randy Dunlap <rdunlap@...radead.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: drivers/mtd/nand/onenand/onenand_base.c:779:34: sparse: sparse:
incorrect type in argument 2 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 72a8e05d4f66b5af7854df4490e3135168694b6b
commit: 9294523e3768030ae8afb84110bcecc66425a647 module: add printk formats to add module build ID to stacktraces
date: 1 year ago
config: csky-randconfig-s032-20220712 (https://download.01.org/0day-ci/archive/20220713/202207130130.3Cd4bdQA-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 11.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9294523e3768030ae8afb84110bcecc66425a647
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9294523e3768030ae8afb84110bcecc66425a647
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky SHELL=/bin/bash drivers/mtd/nand/onenand/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/nand/onenand/onenand_base.c:779:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_base.c:779:34: sparse: expected void const *from
drivers/mtd/nand/onenand/onenand_base.c:779:34: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_base.c:817:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_base.c:817:34: sparse: expected void const *from
drivers/mtd/nand/onenand/onenand_base.c:817:34: sparse: got void [noderef] __iomem *
>> drivers/mtd/nand/onenand/onenand_base.c:860:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_base.c:860:26: sparse: expected void *to
drivers/mtd/nand/onenand/onenand_base.c:860:26: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_base.c: note: in included file (through arch/csky/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/asm-generic/io.h:259:16: sparse: sparse: cast to restricted __le16
include/asm-generic/io.h:291:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __le16 [usertype] @@
include/asm-generic/io.h:291:22: sparse: expected unsigned short [usertype] value
include/asm-generic/io.h:291:22: sparse: got restricted __le16 [usertype]
vim +779 drivers/mtd/nand/onenand/onenand_base.c
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 747
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 748 /**
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 749 * onenand_read_bufferram - [OneNAND Interface] Read the bufferram area
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 750 * @mtd: MTD data structure
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 751 * @area: BufferRAM area
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 752 * @buffer: the databuffer to put/get data
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 753 * @offset: offset to read from or write to
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 754 * @count: number of bytes to read/write
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 755 *
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 756 * Read the BufferRAM area
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 757 */
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 758 static int onenand_read_bufferram(struct mtd_info *mtd, int area,
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 759 unsigned char *buffer, int offset, size_t count)
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 760 {
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 761 struct onenand_chip *this = mtd->priv;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 762 void __iomem *bufferram;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 763
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 764 bufferram = this->base + area;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 765
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 766 bufferram += onenand_bufferram_offset(mtd, area);
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 767
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 768 if (ONENAND_CHECK_BYTE_ACCESS(count)) {
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 769 unsigned short word;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 770
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 771 /* Align with word(16-bit) size */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 772 count--;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 773
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 774 /* Read word and save byte */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 775 word = this->read_word(bufferram + offset + count);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 776 buffer[count] = (word & 0xff);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 777 }
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 778
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 @779 memcpy(buffer, bufferram + offset, count);
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 780
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 781 return 0;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 782 }
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 783
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 784 /**
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 785 * onenand_sync_read_bufferram - [OneNAND Interface] Read the bufferram area with Sync. Burst mode
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 786 * @mtd: MTD data structure
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 787 * @area: BufferRAM area
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 788 * @buffer: the databuffer to put/get data
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 789 * @offset: offset to read from or write to
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 790 * @count: number of bytes to read/write
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 791 *
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 792 * Read the BufferRAM area with Sync. Burst Mode
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 793 */
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 794 static int onenand_sync_read_bufferram(struct mtd_info *mtd, int area,
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 795 unsigned char *buffer, int offset, size_t count)
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 796 {
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 797 struct onenand_chip *this = mtd->priv;
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 798 void __iomem *bufferram;
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 799
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 800 bufferram = this->base + area;
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 801
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 802 bufferram += onenand_bufferram_offset(mtd, area);
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 803
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 804 this->mmcontrol(mtd, ONENAND_SYS_CFG1_SYNC_READ);
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 805
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 806 if (ONENAND_CHECK_BYTE_ACCESS(count)) {
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 807 unsigned short word;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 808
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 809 /* Align with word(16-bit) size */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 810 count--;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 811
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 812 /* Read word and save byte */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 813 word = this->read_word(bufferram + offset + count);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 814 buffer[count] = (word & 0xff);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 815 }
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 816
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 817 memcpy(buffer, bufferram + offset, count);
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 818
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 819 this->mmcontrol(mtd, 0);
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 820
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 821 return 0;
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 822 }
52b0eea73de05df3 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-09-03 823
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 824 /**
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 825 * onenand_write_bufferram - [OneNAND Interface] Write the bufferram area
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 826 * @mtd: MTD data structure
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 827 * @area: BufferRAM area
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 828 * @buffer: the databuffer to put/get data
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 829 * @offset: offset to read from or write to
720ae74ddf0aa409 drivers/mtd/nand/onenand/onenand_base.c Lee Jones 2020-11-09 830 * @count: number of bytes to read/write
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 831 *
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 832 * Write the BufferRAM area
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 833 */
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 834 static int onenand_write_bufferram(struct mtd_info *mtd, int area,
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 835 const unsigned char *buffer, int offset, size_t count)
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 836 {
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 837 struct onenand_chip *this = mtd->priv;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 838 void __iomem *bufferram;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 839
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 840 bufferram = this->base + area;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 841
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 842 bufferram += onenand_bufferram_offset(mtd, area);
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 843
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 844 if (ONENAND_CHECK_BYTE_ACCESS(count)) {
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 845 unsigned short word;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 846 int byte_offset;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 847
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 848 /* Align with word(16-bit) size */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 849 count--;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 850
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 851 /* Calculate byte access offset */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 852 byte_offset = offset + count;
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 853
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 854 /* Read word and save byte */
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 855 word = this->read_word(bufferram + byte_offset);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 856 word = (word & ~0xff) | buffer[count];
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 857 this->write_word(word, bufferram + byte_offset);
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 858 }
9c01f87db183403a drivers/mtd/onenand/onenand_base.c Kyungmin Park 2006-05-12 859
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 @860 memcpy(bufferram + offset, buffer, count);
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 861
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 862 return 0;
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 863 }
cd5f6346bc28a413 drivers/mtd/onenand/onenand_base.c Kyungmin Park 2005-07-11 864
:::::: The code at line 779 was first introduced by commit
:::::: cd5f6346bc28a41375412b49b290d22ee4e4bbe8 [MTD] Add initial support for OneNAND flash chips
:::::: TO: Kyungmin Park <kyungmin.park@...sung.com>
:::::: CC: Thomas Gleixner <tglx@....linutronix.de>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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