From: kernel test robot <lkp@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Subject: [intel-lts:pr/59 1/1] drivers/tty/serial/8250/8250_port.c:2054:25: warning: unused variable 'up'
Date: Thu, 20 Feb 2025 14:04:29 +0800 [thread overview]
Message-ID: <202502201313.wKrf30dc-lkp@intel.com> (raw)
tree: https://github.com/intel/linux-intel-lts.git pr/59
head: 19ae9bc73680fd6c1c95edb5b7e2aaa790e7f011
commit: 20d2b572f04e7777c14c00eae743d7a4fd329653 [1/1] serial: 8250_port: Remove calls to runtime PM
config: sparc-randconfig-002-20250218 (https://download.01.org/0day-ci/archive/20250220/202502201313.wKrf30dc-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250220/202502201313.wKrf30dc-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502201313.wKrf30dc-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
drivers/tty/serial/8250/8250_port.c: In function 'serial8250_get_poll_char':
>> drivers/tty/serial/8250/8250_port.c:2054:25: warning: unused variable 'up' [-Wunused-variable]
struct uart_8250_port *up = up_to_u8250p(port);
^~
--
arch/sparc/kernel/head_32.o: in function `current_pc':
>> (.head.text+0x2040): relocation truncated to fit: R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/head_32.o: in function `halt_notsup':
(.head.text+0x2100): relocation truncated to fit: R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/process_32.o:(.fixup+0x4): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/process_32.o:(.fixup+0xc): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x0): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x8): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x10): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x18): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x20): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x28): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x30): additional relocation overflows omitted from the output
vim +/up +2054 drivers/tty/serial/8250/8250_port.c
b6830f6df8914fa Peter Hurley 2015-06-27 2045
b6830f6df8914fa Peter Hurley 2015-06-27 2046 #ifdef CONFIG_CONSOLE_POLL
b6830f6df8914fa Peter Hurley 2015-06-27 2047 /*
b6830f6df8914fa Peter Hurley 2015-06-27 2048 * Console polling routines for writing and reading from the uart while
b6830f6df8914fa Peter Hurley 2015-06-27 2049 * in an interrupt or debug context.
b6830f6df8914fa Peter Hurley 2015-06-27 2050 */
b6830f6df8914fa Peter Hurley 2015-06-27 2051
b6830f6df8914fa Peter Hurley 2015-06-27 2052 static int serial8250_get_poll_char(struct uart_port *port)
b6830f6df8914fa Peter Hurley 2015-06-27 2053 {
b6830f6df8914fa Peter Hurley 2015-06-27 @2054 struct uart_8250_port *up = up_to_u8250p(port);
b6830f6df8914fa Peter Hurley 2015-06-27 2055 unsigned char lsr;
b6830f6df8914fa Peter Hurley 2015-06-27 2056
b6830f6df8914fa Peter Hurley 2015-06-27 2057 lsr = serial_port_in(port, UART_LSR);
20d2b572f04e777 Andy Shevchenko 2016-11-16 2058 if (!(lsr & UART_LSR_DR))
20d2b572f04e777 Andy Shevchenko 2016-11-16 2059 return NO_POLL_CHAR;
b6830f6df8914fa Peter Hurley 2015-06-27 2060
20d2b572f04e777 Andy Shevchenko 2016-11-16 2061 return serial_port_in(port, UART_RX);
b6830f6df8914fa Peter Hurley 2015-06-27 2062 }
b6830f6df8914fa Peter Hurley 2015-06-27 2063
:::::: The code at line 2054 was first introduced by commit
:::::: b6830f6df8914faae9561bb245860c21af9b9e9b serial: 8250: Split base port operations from universal driver
:::::: TO: Peter Hurley <peter@hurleysoftware.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-02-20 6:05 UTC|newest]
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