drivers/tty/serial/ucc_uart.c:264:21: sparse: sparse: incorrect type in argument 1 (different address spaces)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   435faf5c218a47fd6258187f62d9bb1009717896
commit: 5a35435ef4e6e4bd2aabd6706b146b298a9cffe5 soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE
date:   6 months ago
config: arm-randconfig-s031-20200605 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-246-g41f651b4-dirty
        git checkout 5a35435ef4e6e4bd2aabd6706b146b298a9cffe5
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=arm CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

>> drivers/tty/serial/ucc_uart.c:264:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
>> drivers/tty/serial/ucc_uart.c:264:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:264:21: sparse:     got restricted __be16 *
>> drivers/tty/serial/ucc_uart.c:264:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
>> drivers/tty/serial/ucc_uart.c:264:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:264:21: sparse:     got restricted __be16 *
>> drivers/tty/serial/ucc_uart.c:264:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
>> drivers/tty/serial/ucc_uart.c:264:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:264:21: sparse:     got restricted __be16 *
>> drivers/tty/serial/ucc_uart.c:264:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
>> drivers/tty/serial/ucc_uart.c:264:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:264:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:268:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:286:6: sparse: sparse: symbol 'qe_uart_set_mctrl' was not declared. Should it be static?
   drivers/tty/serial/ucc_uart.c:349:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:349:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:349:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:350:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:350:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:352:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:352:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:352:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:352:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:352:21: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:371:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:371:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:371:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:371:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:371:18: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:384:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:384:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:384:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:385:17: sparse:     expected void const volatile [noderef] <asn:2> *
   drivers/tty/serial/ucc_uart.c:385:17: sparse:     got restricted __be16 *
   drivers/tty/serial/ucc_uart.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] <asn:2> * @@     got restricted __be16 * @@
   drivers/tty/serial/ucc_uart.c:385:17: sparse:     expected void const volatile [noderef] <asn:2> *

vim +264 drivers/tty/serial/ucc_uart.c

d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  248  
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  249  /*
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  250   * Return 1 if the QE is done transmitting all buffers for this port
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  251   *
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  252   * This function scans each BD in sequence.  If we find a BD that is not
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  253   * ready (READY=1), then we return 0 indicating that the QE is still sending
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  254   * data.  If we reach the last BD (WRAP=1), then we know we've scanned
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  255   * the entire list, and all BDs are done.
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  256   */
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  257  static unsigned int qe_uart_tx_empty(struct uart_port *port)
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  258  {
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  259  	struct uart_qe_port *qe_port =
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  260  		container_of(port, struct uart_qe_port, port);
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  261  	struct qe_bd *bdp = qe_port->tx_bd_base;
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  262  
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  263  	while (1) {
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 @264  		if (qe_ioread16be(&bdp->status) & BD_SC_READY)
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  265  			/* This BD is not done, so return "not done" */
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  266  			return 0;
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  267  
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28  268  		if (qe_ioread16be(&bdp->status) & BD_SC_WRAP)
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  269  			/*
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  270  			 * This BD is done and it's the last one, so return
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  271  			 * "done"
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  272  			 */
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  273  			return 1;
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  274  
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  275  		bdp++;
fc811472c2167c drivers/tty/serial/ucc_uart.c Joe Perches      2013-10-08  276  	}
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  277  }
d7584ed2b994a5 drivers/serial/ucc_uart.c     Timur Tabi       2008-01-15  278  

:::::: The code at line 264 was first introduced by commit
:::::: 8b1cdc4033bd1659c5499c918d4e59bf8253abec serial: ucc_uart: replace ppc-specific IO accessors

:::::: TO: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
:::::: CC: Li Yang <leoyang.li@xxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip