drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Sat Jul 16 2022 - 18:51:04 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c5fe7a97f20c7f3070ac870144515c0fabc6b999
commit: 28e77cc1c0686621a4d416f599cee5ab369daa0a fortify: Detect struct member overflows in memset() at compile-time
date: 5 months ago
config: arm64-randconfig-s031-20220717 (https://download.01.org/0day-ci/archive/20220717/202207170656.8VUpADeW-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
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=28e77cc1c0686621a4d416f599cee5ab369daa0a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 28e77cc1c0686621a4d416f599cee5ab369daa0a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/mtd/nand/raw/

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


sparse warnings: (new ones prefixed by >>)
drivers/mtd/nand/raw/hisi504_nand.c:362:26: sparse: sparse: cast removes address space '__iomem' of expression
drivers/mtd/nand/raw/hisi504_nand.c:367:26: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio
>> drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void *
drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void *
drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void const *
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *mmio @@
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void *
drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio

vim +465 drivers/mtd/nand/raw/hisi504_nand.c

54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 422
5295cf2e047cf6 drivers/mtd/nand/raw/hisi504_nand.c Boris Brezillon 2018-09-06 423 static void hisi_nfc_cmdfunc(struct nand_chip *chip, unsigned command,
5295cf2e047cf6 drivers/mtd/nand/raw/hisi504_nand.c Boris Brezillon 2018-09-06 424 int column, int page_addr)
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 425 {
5295cf2e047cf6 drivers/mtd/nand/raw/hisi504_nand.c Boris Brezillon 2018-09-06 426 struct mtd_info *mtd = nand_to_mtd(chip);
d699ed250c0738 drivers/mtd/nand/hisi504_nand.c Boris Brezillon 2015-12-10 427 struct hinfc_host *host = nand_get_controller_data(chip);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 428 int is_cache_invalid = 1;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 429 unsigned int flag = 0;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 430
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 431 host->command = command;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 432
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 433 switch (command) {
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 434 case NAND_CMD_READ0:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 435 case NAND_CMD_READOOB:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 436 if (command == NAND_CMD_READ0)
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 437 host->offset = column;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 438 else
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 439 host->offset = column + mtd->writesize;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 440
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 441 is_cache_invalid = 0;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 442 set_addr(mtd, column, page_addr);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 443 hisi_nfc_send_cmd_readstart(host);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 444 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 445
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 446 case NAND_CMD_SEQIN:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 447 host->offset = column;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 448 set_addr(mtd, column, page_addr);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 449 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 450
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 451 case NAND_CMD_ERASE1:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 452 set_addr(mtd, column, page_addr);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 453 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 454
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 455 case NAND_CMD_PAGEPROG:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 456 hisi_nfc_send_cmd_pageprog(host);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 457 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 458
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 459 case NAND_CMD_ERASE2:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 460 hisi_nfc_send_cmd_erase(host);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 461 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 462
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 463 case NAND_CMD_READID:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 464 host->offset = column;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 @465 memset(host->mmio, 0, 0x10);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 466 hisi_nfc_send_cmd_readid(host);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 467 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 468
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 469 case NAND_CMD_STATUS:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 470 flag = hinfc_read(host, HINFC504_CON);
bace41f80f65dc drivers/mtd/nand/raw/hisi504_nand.c Miquel Raynal 2020-08-27 471 if (chip->ecc.engine_type == NAND_ECC_ENGINE_TYPE_ON_HOST)
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 472 hinfc_write(host,
dd58d38fb30aa9 drivers/mtd/nand/hisi504_nand.c Dan Carpenter 2015-02-11 473 flag & ~(HINFC504_CON_ECCTYPE_MASK <<
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 474 HINFC504_CON_ECCTYPE_SHIFT), HINFC504_CON);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 475
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 476 host->offset = 0;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 477 memset(host->mmio, 0, 0x10);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 478 hisi_nfc_send_cmd_status(host);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 479 hinfc_write(host, flag, HINFC504_CON);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 480 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 481
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 482 case NAND_CMD_RESET:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 483 hisi_nfc_send_cmd_reset(host, host->chipselect);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 484 break;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 485
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 486 default:
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 487 dev_err(host->dev, "Error: unsupported cmd(cmd=%x, col=%x, page=%x)\n",
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 488 command, column, page_addr);
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 489 }
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 490
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 491 if (is_cache_invalid) {
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 492 host->cache_addr_value[0] = ~0;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 493 host->cache_addr_value[1] = ~0;
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 494 }
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 495 }
54f531f6e33287 drivers/mtd/nand/hisi504_nand.c Zhou Wang 2015-01-25 496

:::::: The code at line 465 was first introduced by commit
:::::: 54f531f6e332875bd8a604871532f7f1174adc0e mtd: hisilicon: add a new NAND controller driver for hisilicon hip04 Soc

:::::: TO: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
:::::: CC: Brian Norris <computersforpeace@xxxxxxxxx>

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