CC: [email protected]
CC: [email protected]
TO: Vishal Sagar <[email protected]>
CC: Michal Simek <[email protected]>
CC: Hyun Kwon <[email protected]>

tree:   https://github.com/Xilinx/linux-xlnx master
head:   043f8a226a752a1dd11f7ff64cee6dbe7334d394
commit: c0b33b8ccd38096c815f2dd39746044d0aa079d3 [59/60] staging: xlnxsync: Fix 
the uapi header license
:::::: branch date: 11 months ago
:::::: commit date: 11 months ago
config: i386-randconfig-s001-20210409 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-279-g6d5d9b42-dirty
        # 
https://github.com/Xilinx/linux-xlnx/commit/c0b33b8ccd38096c815f2dd39746044d0aa079d3
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx master
        git checkout c0b33b8ccd38096c815f2dd39746044d0aa079d3
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/nand/raw/arasan_nand.c:393:26: sparse: sparse: shift too big 
>> (32) for type unsigned int
   drivers/mtd/nand/raw/arasan_nand.c: note: in included file:
   include/linux/mtd/rawnand.h:1294:16: sparse: sparse: cast to restricted 
__le16

vim +393 drivers/mtd/nand/raw/arasan_nand.c

9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  365  
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  366  static void 
anfc_rw_dma_op(struct mtd_info *mtd, u8 *buf, int len,
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  367                      bool 
do_read, u32 prog, int pktcount, int pktsize)
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  368  {
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  369   dma_addr_t paddr;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  370   struct nand_chip *chip 
= mtd_to_nand(mtd);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  371   struct 
anfc_nand_controller *nfc = to_anfc(chip->controller);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  372   struct anfc_nand_chip 
*achip = to_anfc_nand(chip);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  373   u32 eccintr = 0, dir;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  374  
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  375   if (pktsize == 0)
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  376           pktsize = len;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  377  
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  378   anfc_setpktszcnt(nfc, 
pktsize, pktcount);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  379  
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  380   if (!achip->strength)
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  381           eccintr = 
MBIT_ERROR;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  382  
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  383   if (do_read)
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  384           dir = 
DMA_FROM_DEVICE;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  385   else
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  386           dir = 
DMA_TO_DEVICE;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  387   paddr = 
dma_map_single(nfc->dev, buf, len, dir);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  388   if 
(dma_mapping_error(nfc->dev, paddr)) {
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  389           
dev_err(nfc->dev, "Read buffer mapping error");
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  390           return;
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  391   }
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  392   writel(paddr, nfc->base 
+ DMA_ADDR0_OFST);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05 @393   writel((paddr >> 32), 
nfc->base + DMA_ADDR1_OFST);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  394   anfc_enable_intrs(nfc, 
(XFER_COMPLETE | eccintr));
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  395   writel(prog, nfc->base 
+ PROG_OFST);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  396   
anfc_wait_for_event(nfc);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  397   
dma_unmap_single(nfc->dev, paddr, len, dir);
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  398  }
9c63ef54e003b8 Naga Sureshkumar Relli 2019-12-05  399  

:::::: The code at line 393 was first introduced by commit
:::::: 9c63ef54e003b887275c08b64acc5ac4a8801ccc mtd: rawnand: Add support for 
ARASAN NAND controller

:::::: TO: Naga Sureshkumar Relli <[email protected]>
:::::: CC: Michal Simek <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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