* [linux-next:master 12878/13550] drivers/mtd/nand/raw/arasan-nand-controller.c:1453:33: warning: shift count >= width of type
@ 2021-06-26 8:06 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-06-26 8:06 UTC (permalink / raw)
To: Miquel Raynal; +Cc: kbuild-all, clang-built-linux, Linux Memory Management List
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 8702f95941c215501826ea8743a8b64b83479209
commit: eb967e310b107daa81203c41cacaffe192415b54 [12878/13550] Merge remote-tracking branch 'nand/nand/next'
config: riscv-randconfig-r033-20210626 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 557b101ce714e39438ba1d39c4c50b03e12fcb96)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=eb967e310b107daa81203c41cacaffe192415b54
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout eb967e310b107daa81203c41cacaffe192415b54
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
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 >>):
In file included from drivers/mtd/nand/raw/arasan-nand-controller.c:17:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:33:
In file included from include/linux/pgtable.h:6:
arch/riscv/include/asm/pgtable.h:520:9: error: implicit declaration of function 'pfn_pmd' [-Werror,-Wimplicit-function-declaration]
return pfn_pmd(page_to_pfn(page), prot);
^
arch/riscv/include/asm/pgtable.h:520:9: note: did you mean 'pfn_pgd'?
arch/riscv/include/asm/pgtable.h:221:21: note: 'pfn_pgd' declared here
static inline pgd_t pfn_pgd(unsigned long pfn, pgprot_t prot)
^
arch/riscv/include/asm/pgtable.h:520:9: error: returning 'int' from a function with incompatible result type 'pmd_t'
return pfn_pmd(page_to_pfn(page), prot);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/mtd/nand/raw/arasan-nand-controller.c:1453:33: warning: shift count >= width of type [-Wshift-count-overflow]
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 2 errors generated.
vim +1453 drivers/mtd/nand/raw/arasan-nand-controller.c
197b88fecc50ee Miquel Raynal 2020-05-19 1416
197b88fecc50ee Miquel Raynal 2020-05-19 1417 static int anfc_probe(struct platform_device *pdev)
197b88fecc50ee Miquel Raynal 2020-05-19 1418 {
197b88fecc50ee Miquel Raynal 2020-05-19 1419 struct arasan_nfc *nfc;
197b88fecc50ee Miquel Raynal 2020-05-19 1420 int ret;
197b88fecc50ee Miquel Raynal 2020-05-19 1421
197b88fecc50ee Miquel Raynal 2020-05-19 1422 nfc = devm_kzalloc(&pdev->dev, sizeof(*nfc), GFP_KERNEL);
197b88fecc50ee Miquel Raynal 2020-05-19 1423 if (!nfc)
197b88fecc50ee Miquel Raynal 2020-05-19 1424 return -ENOMEM;
197b88fecc50ee Miquel Raynal 2020-05-19 1425
197b88fecc50ee Miquel Raynal 2020-05-19 1426 nfc->dev = &pdev->dev;
197b88fecc50ee Miquel Raynal 2020-05-19 1427 nand_controller_init(&nfc->controller);
197b88fecc50ee Miquel Raynal 2020-05-19 1428 nfc->controller.ops = &anfc_ops;
197b88fecc50ee Miquel Raynal 2020-05-19 1429 INIT_LIST_HEAD(&nfc->chips);
197b88fecc50ee Miquel Raynal 2020-05-19 1430
197b88fecc50ee Miquel Raynal 2020-05-19 1431 nfc->base = devm_platform_ioremap_resource(pdev, 0);
197b88fecc50ee Miquel Raynal 2020-05-19 1432 if (IS_ERR(nfc->base))
197b88fecc50ee Miquel Raynal 2020-05-19 1433 return PTR_ERR(nfc->base);
197b88fecc50ee Miquel Raynal 2020-05-19 1434
197b88fecc50ee Miquel Raynal 2020-05-19 1435 anfc_reset(nfc);
197b88fecc50ee Miquel Raynal 2020-05-19 1436
197b88fecc50ee Miquel Raynal 2020-05-19 1437 nfc->controller_clk = devm_clk_get(&pdev->dev, "controller");
197b88fecc50ee Miquel Raynal 2020-05-19 1438 if (IS_ERR(nfc->controller_clk))
197b88fecc50ee Miquel Raynal 2020-05-19 1439 return PTR_ERR(nfc->controller_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1440
197b88fecc50ee Miquel Raynal 2020-05-19 1441 nfc->bus_clk = devm_clk_get(&pdev->dev, "bus");
197b88fecc50ee Miquel Raynal 2020-05-19 1442 if (IS_ERR(nfc->bus_clk))
197b88fecc50ee Miquel Raynal 2020-05-19 1443 return PTR_ERR(nfc->bus_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1444
197b88fecc50ee Miquel Raynal 2020-05-19 1445 ret = clk_prepare_enable(nfc->controller_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1446 if (ret)
197b88fecc50ee Miquel Raynal 2020-05-19 1447 return ret;
197b88fecc50ee Miquel Raynal 2020-05-19 1448
197b88fecc50ee Miquel Raynal 2020-05-19 1449 ret = clk_prepare_enable(nfc->bus_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1450 if (ret)
197b88fecc50ee Miquel Raynal 2020-05-19 1451 goto disable_controller_clk;
197b88fecc50ee Miquel Raynal 2020-05-19 1452
cf67edce22c5d7 Miquel Raynal 2021-05-27 @1453 ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
cf67edce22c5d7 Miquel Raynal 2021-05-27 1454 if (ret)
cf67edce22c5d7 Miquel Raynal 2021-05-27 1455 goto disable_bus_clk;
cf67edce22c5d7 Miquel Raynal 2021-05-27 1456
acbd3d0945f9cc Miquel Raynal 2021-05-26 1457 ret = anfc_parse_cs(nfc);
acbd3d0945f9cc Miquel Raynal 2021-05-26 1458 if (ret)
acbd3d0945f9cc Miquel Raynal 2021-05-26 1459 goto disable_bus_clk;
acbd3d0945f9cc Miquel Raynal 2021-05-26 1460
197b88fecc50ee Miquel Raynal 2020-05-19 1461 ret = anfc_chips_init(nfc);
197b88fecc50ee Miquel Raynal 2020-05-19 1462 if (ret)
197b88fecc50ee Miquel Raynal 2020-05-19 1463 goto disable_bus_clk;
197b88fecc50ee Miquel Raynal 2020-05-19 1464
197b88fecc50ee Miquel Raynal 2020-05-19 1465 platform_set_drvdata(pdev, nfc);
197b88fecc50ee Miquel Raynal 2020-05-19 1466
197b88fecc50ee Miquel Raynal 2020-05-19 1467 return 0;
197b88fecc50ee Miquel Raynal 2020-05-19 1468
197b88fecc50ee Miquel Raynal 2020-05-19 1469 disable_bus_clk:
197b88fecc50ee Miquel Raynal 2020-05-19 1470 clk_disable_unprepare(nfc->bus_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1471
197b88fecc50ee Miquel Raynal 2020-05-19 1472 disable_controller_clk:
197b88fecc50ee Miquel Raynal 2020-05-19 1473 clk_disable_unprepare(nfc->controller_clk);
197b88fecc50ee Miquel Raynal 2020-05-19 1474
197b88fecc50ee Miquel Raynal 2020-05-19 1475 return ret;
197b88fecc50ee Miquel Raynal 2020-05-19 1476 }
197b88fecc50ee Miquel Raynal 2020-05-19 1477
:::::: The code at line 1453 was first introduced by commit
:::::: cf67edce22c5d7edc6cad64dbeb1d5d7d0099837 mtd: rawnand: arasan: Use the right DMA mask
:::::: TO: Miquel Raynal <miquel.raynal@bootlin.com>
:::::: CC: Miquel Raynal <miquel.raynal@bootlin.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2021-06-26 8:06 [linux-next:master 12878/13550] drivers/mtd/nand/raw/arasan-nand-controller.c:1453:33: warning: shift count >= width of type kernel test robot
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