CC: [email protected]
CC: [email protected]
TO: Andy Shevchenko <[email protected]>
CC: "Greg Kroah-Hartman" <[email protected]>
CC: Heikki Krogerus <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   df2fbf5bfa0e7fff8b4784507e4d68f200454318
commit: 4d5675c3b10b7bfa56447c26c29930e35b6d41ee serial: 8250_dw: switch to use 
8250_dwlib library
date:   9 months ago
:::::: branch date: 19 hours ago
:::::: commit date: 9 months ago
config: alpha-randconfig-s031-20200613 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-250-g42323db3-dirty
        git checkout 4d5675c3b10b7bfa56447c26c29930e35b6d41ee
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=alpha CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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/tty/serial/8250/8250_dwlib.c:45:17: sparse: sparse: incorrect type 
>> in argument 1 (different base types) @@     expected unsigned int [usertype] 
>> b @@     got restricted __be32 [usertype] @@
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     expected unsigned 
>> int [usertype] b
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     got restricted 
>> __be32 [usertype]
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse: sparse: incorrect type 
>> in argument 1 (different base types) @@     expected unsigned int [usertype] 
>> b @@     got restricted __be32 [usertype] @@
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     expected unsigned 
>> int [usertype] b
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     got restricted 
>> __be32 [usertype]
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse: sparse: incorrect type 
>> in argument 1 (different base types) @@     expected unsigned int [usertype] 
>> b @@     got restricted __be32 [usertype] @@
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     expected unsigned 
>> int [usertype] b
>> drivers/tty/serial/8250/8250_dwlib.c:45:17: sparse:     got restricted 
>> __be32 [usertype]
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32
>> drivers/tty/serial/8250/8250_dwlib.c:38:24: sparse: sparse: cast to 
>> restricted __be32

# 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d5675c3b10b7bfa56447c26c29930e35b6d41ee
git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 4d5675c3b10b7bfa56447c26c29930e35b6d41ee
vim +45 drivers/tty/serial/8250/8250_dwlib.c

136e0ab99b2237 Andy Shevchenko 2019-08-06  34  
136e0ab99b2237 Andy Shevchenko 2019-08-06  35  static inline u32 
dw8250_readl_ext(struct uart_port *p, int offset)
136e0ab99b2237 Andy Shevchenko 2019-08-06  36  {
136e0ab99b2237 Andy Shevchenko 2019-08-06  37   if (p->iotype == UPIO_MEM32BE)
136e0ab99b2237 Andy Shevchenko 2019-08-06 @38           return 
ioread32be(p->membase + offset);
136e0ab99b2237 Andy Shevchenko 2019-08-06  39   return readl(p->membase + 
offset);
136e0ab99b2237 Andy Shevchenko 2019-08-06  40  }
136e0ab99b2237 Andy Shevchenko 2019-08-06  41  
136e0ab99b2237 Andy Shevchenko 2019-08-06  42  static inline void 
dw8250_writel_ext(struct uart_port *p, int offset, u32 reg)
136e0ab99b2237 Andy Shevchenko 2019-08-06  43  {
136e0ab99b2237 Andy Shevchenko 2019-08-06  44   if (p->iotype == UPIO_MEM32BE)
136e0ab99b2237 Andy Shevchenko 2019-08-06 @45           iowrite32be(reg, 
p->membase + offset);
136e0ab99b2237 Andy Shevchenko 2019-08-06  46   else
136e0ab99b2237 Andy Shevchenko 2019-08-06  47           writel(reg, p->membase 
+ offset);
136e0ab99b2237 Andy Shevchenko 2019-08-06  48  }
136e0ab99b2237 Andy Shevchenko 2019-08-06  49  

:::::: The code at line 45 was first introduced by commit
:::::: 136e0ab99b22378e3ff7d54f799a3a329316e869 serial: 8250_dw: split Synopsys 
DesignWare 8250 common functions

:::::: TO: Andy Shevchenko <[email protected]>
:::::: CC: Greg Kroah-Hartman <[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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