tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing head: 6bd6361a9b1e112d0acd684a1d297d4b37415dd5 commit: ce807d8eea1390f5277c3ce8937b922668e0bb77 [204/226] serial-uartlite: Constify uartlite_be/uartlite_le config: i386-randconfig-s0-201610 (attached as .config) reproduce: git checkout ce807d8eea1390f5277c3ce8937b922668e0bb77 # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/tty/serial/uartlite.c: In function 'ulite_request_port': >> drivers/tty/serial/uartlite.c:348:21: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] port->private_data = &uartlite_be; ^ drivers/tty/serial/uartlite.c:354:22: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] port->private_data = &uartlite_le; ^ vim +/const +348 drivers/tty/serial/uartlite.c 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 332 a1080968 drivers/serial/uartlite.c Grant Likely 2008-11-14 333 pr_debug("ulite console: port=%p; port->mapbase=%llx\n", a1080968 drivers/serial/uartlite.c Grant Likely 2008-11-14 334 port, (unsigned long long) port->mapbase); 0e349b0e drivers/serial/uartlite.c Stephen Neuendorffer 2008-01-09 335 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 336 if (!request_mem_region(port->mapbase, ULITE_REGION, "uartlite")) { 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 337 dev_err(port->dev, "Memory region busy\n"); 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 338 return -EBUSY; 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 339 } 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 340 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 341 port->membase = ioremap(port->mapbase, ULITE_REGION); 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 342 if (!port->membase) { 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 343 dev_err(port->dev, "Unable to map registers\n"); 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 344 release_mem_region(port->mapbase, ULITE_REGION); 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 345 return -EBUSY; 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 346 } 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 347 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 @348 port->private_data = &uartlite_be; 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 349 ret = uart_in32(ULITE_CONTROL, port); 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 350 uart_out32(ULITE_CONTROL_RST_TX, ULITE_CONTROL, port); 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 351 ret = uart_in32(ULITE_STATUS, port); 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 352 /* Endianess detection */ 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 353 if ((ret & ULITE_STATUS_TXEMPTY) != ULITE_STATUS_TXEMPTY) 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 354 port->private_data = &uartlite_le; 6d53c3b7 drivers/tty/serial/uartlite.c Michal Simek 2013-02-11 355 238b8721 drivers/serial/uartlite.c Peter Korsgaard 2006-12-06 356 return 0; :::::: The code at line 348 was first introduced by commit :::::: 6d53c3b71d32da665dc2742c1e8663741f27d3cd tty: serial: uartlite: Support uartlite on big and little endian systems :::::: TO: Michal Simek <michal.simek@xxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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