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Date: Sat, 12 Mar 2022 07:25:40 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Li Yang <leoyang.li@....com>
Subject: drivers/tty/serial/ucc_uart.c:264:33: sparse: sparse: incorrect type
in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 68453767131a5deec1e8f9ac92a9042f929e585d
commit: 18f0211c9a104b6f40ab92f644a95d7f3028515c tty: serial: ucc_uart: replace qe_io{read,write}* wrappers by generic io{read,write}*
date: 11 months ago
config: powerpc-randconfig-s032-20220228 (https://download.01.org/0day-ci/archive/20220312/202203120736.nYDE453D-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18f0211c9a104b6f40ab92f644a95d7f3028515c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 18f0211c9a104b6f40ab92f644a95d7f3028515c
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/tty/serial/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/tty/serial/ucc_uart.c:264:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:264:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:264:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:268:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:268:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:268:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:314:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:314:9: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:314:9: sparse: got restricted __be16 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:314:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:314:9: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:314:9: sparse: got restricted __be16 [noderef] __iomem *
>> drivers/tty/serial/ucc_uart.c:347:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:347:33: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:347:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:348:17: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:348:17: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:350:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:350:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:350:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:369:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:369:30: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:369:30: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:382:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:382:37: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:382:37: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:383:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:383:17: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:383:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:383:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:383:17: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:383:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:386:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:386:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:386:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:424:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:424:17: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:424:17: sparse: got restricted __be16 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:424:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:424:17: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:424:17: sparse: got restricted __be16 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:435:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:435:9: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:435:9: sparse: got restricted __be16 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:435:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:435:9: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:435:9: sparse: got restricted __be16 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:474:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:474:38: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:474:38: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:481:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:481:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:481:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:515:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:515:33: sparse: expected void const [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:515:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:604:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:604:58: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:604:58: sparse: got restricted __be16 *
>> drivers/tty/serial/ucc_uart.c:605:61: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:605:61: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:605:61: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:606:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:606:33: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:606:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:612:63: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:612:63: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:612:63: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:613:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:613:53: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:613:53: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:614:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:614:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:614:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:625:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:625:44: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:625:44: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:626:61: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:626:61: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:626:61: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:627:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:627:33: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:627:33: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:637:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:637:49: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:637:49: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:638:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:638:53: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:638:53: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:639:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:639:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:639:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:653:46: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ucc_uart_pram *uccup @@ got struct ucc_uart_pram [noderef] __iomem *uccup @@
drivers/tty/serial/ucc_uart.c:653:46: sparse: expected struct ucc_uart_pram *uccup
drivers/tty/serial/ucc_uart.c:653:46: sparse: got struct ucc_uart_pram [noderef] __iomem *uccup
drivers/tty/serial/ucc_uart.c:661:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char * @@
drivers/tty/serial/ucc_uart.c:661:48: sparse: expected void volatile [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:661:48: sparse: got unsigned char *
drivers/tty/serial/ucc_uart.c:662:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char * @@
drivers/tty/serial/ucc_uart.c:662:48: sparse: expected void volatile [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:662:48: sparse: got unsigned char *
drivers/tty/serial/ucc_uart.c:663:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:663:44: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:663:44: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:664:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:664:28: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:664:28: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:665:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:665:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:665:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:666:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:666:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:666:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:667:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:667:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:667:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:668:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:668:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:668:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:669:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:669:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:669:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:670:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:670:37: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:670:37: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:671:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:671:37: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:671:37: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:672:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:672:25: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:672:25: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:674:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:674:51: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:674:51: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:675:30: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:675:30: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:675:30: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:680:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:680:17: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:680:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:680:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:680:17: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:680:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:684:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:684:17: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:684:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:684:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:684:17: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:684:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:687:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:687:17: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:687:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:687:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:687:17: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:687:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:691:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:691:17: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/tty/serial/ucc_uart.c:691:17: sparse: got restricted __be32 [noderef] __iomem *
drivers/tty/serial/ucc_uart.c:691:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/tty/serial/ucc_uart.c:691:17: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr
vim +264 drivers/tty/serial/ucc_uart.c
248
249 /*
250 * Return 1 if the QE is done transmitting all buffers for this port
251 *
252 * This function scans each BD in sequence. If we find a BD that is not
253 * ready (READY=1), then we return 0 indicating that the QE is still sending
254 * data. If we reach the last BD (WRAP=1), then we know we've scanned
255 * the entire list, and all BDs are done.
256 */
257 static unsigned int qe_uart_tx_empty(struct uart_port *port)
258 {
259 struct uart_qe_port *qe_port =
260 container_of(port, struct uart_qe_port, port);
261 struct qe_bd *bdp = qe_port->tx_bd_base;
262
263 while (1) {
> 264 if (ioread16be(&bdp->status) & BD_SC_READY)
265 /* This BD is not done, so return "not done" */
266 return 0;
267
268 if (ioread16be(&bdp->status) & BD_SC_WRAP)
269 /*
270 * This BD is done and it's the last one, so return
271 * "done"
272 */
273 return 1;
274
275 bdp++;
276 }
277 }
278
279 /*
280 * Set the modem control lines
281 *
282 * Although the QE can control the modem control lines (e.g. CTS), we
283 * don't need that support. This function must exist, however, otherwise
284 * the kernel will panic.
285 */
286 static void qe_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
287 {
288 }
289
290 /*
291 * Get the current modem control line status
292 *
293 * Although the QE can control the modem control lines (e.g. CTS), this
294 * driver currently doesn't support that, so we always return Carrier
295 * Detect, Data Set Ready, and Clear To Send.
296 */
297 static unsigned int qe_uart_get_mctrl(struct uart_port *port)
298 {
299 return TIOCM_CAR | TIOCM_DSR | TIOCM_CTS;
300 }
301
302 /*
303 * Disable the transmit interrupt.
304 *
305 * Although this function is called "stop_tx", it does not actually stop
306 * transmission of data. Instead, it tells the QE to not generate an
307 * interrupt when the UCC is finished sending characters.
308 */
309 static void qe_uart_stop_tx(struct uart_port *port)
310 {
311 struct uart_qe_port *qe_port =
312 container_of(port, struct uart_qe_port, port);
313
314 qe_clrbits_be16(&qe_port->uccp->uccm, UCC_UART_UCCE_TX);
315 }
316
317 /*
318 * Transmit as many characters to the HW as possible.
319 *
320 * This function will attempt to stuff of all the characters from the
321 * kernel's transmit buffer into TX BDs.
322 *
323 * A return value of non-zero indicates that it successfully stuffed all
324 * characters from the kernel buffer.
325 *
326 * A return value of zero indicates that there are still characters in the
327 * kernel's buffer that have not been transmitted, but there are no more BDs
328 * available. This function should be called again after a BD has been made
329 * available.
330 */
331 static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
332 {
333 struct qe_bd *bdp;
334 unsigned char *p;
335 unsigned int count;
336 struct uart_port *port = &qe_port->port;
337 struct circ_buf *xmit = &port->state->xmit;
338
339 /* Handle xon/xoff */
340 if (port->x_char) {
341 /* Pick next descriptor and fill from buffer */
342 bdp = qe_port->tx_cur;
343
344 p = qe2cpu_addr(be32_to_cpu(bdp->buf), qe_port);
345
346 *p++ = port->x_char;
> 347 iowrite16be(1, &bdp->length);
348 qe_setbits_be16(&bdp->status, BD_SC_READY);
349 /* Get next BD. */
350 if (ioread16be(&bdp->status) & BD_SC_WRAP)
351 bdp = qe_port->tx_bd_base;
352 else
353 bdp++;
354 qe_port->tx_cur = bdp;
355
356 port->icount.tx++;
357 port->x_char = 0;
358 return 1;
359 }
360
361 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
362 qe_uart_stop_tx(port);
363 return 0;
364 }
365
366 /* Pick next descriptor and fill from buffer */
367 bdp = qe_port->tx_cur;
368
369 while (!(ioread16be(&bdp->status) & BD_SC_READY) &&
370 (xmit->tail != xmit->head)) {
371 count = 0;
372 p = qe2cpu_addr(be32_to_cpu(bdp->buf), qe_port);
373 while (count < qe_port->tx_fifosize) {
374 *p++ = xmit->buf[xmit->tail];
375 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
376 port->icount.tx++;
377 count++;
378 if (xmit->head == xmit->tail)
379 break;
380 }
381
382 iowrite16be(count, &bdp->length);
383 qe_setbits_be16(&bdp->status, BD_SC_READY);
384
385 /* Get next BD. */
386 if (ioread16be(&bdp->status) & BD_SC_WRAP)
387 bdp = qe_port->tx_bd_base;
388 else
389 bdp++;
390 }
391 qe_port->tx_cur = bdp;
392
393 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
394 uart_write_wakeup(port);
395
396 if (uart_circ_empty(xmit)) {
397 /* The kernel buffer is empty, so turn off TX interrupts. We
398 don't need to be told when the QE is finished transmitting
399 the data. */
400 qe_uart_stop_tx(port);
401 return 0;
402 }
403
404 return 1;
405 }
406
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0-DAY CI Kernel Test Service
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