[sashal-linux-stable:queue-4.9 55/127] drivers/tty/serial/stm32-usart.c:180:34: error: 'USART_CR_TC' undeclared; did you mean 'USART_SR_TC'?

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.9
head:   0637c3b616db8d0be4263664055a55fc88fa2a17
commit: 115222e966a84eacd2e95f5fb0dc190518d69ddb [55/127] serial: stm32: fix tx_empty condition
config: nios2-randconfig-r022-20210509 (attached as .config)
compiler: nios2-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/commit/?id=115222e966a84eacd2e95f5fb0dc190518d69ddb
        git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
        git fetch --no-tags sashal-linux-stable queue-4.9
        git checkout 115222e966a84eacd2e95f5fb0dc190518d69ddb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross W=1 ARCH=nios2 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/err.h:4:0,
                    from include/linux/clk.h:15,
                    from drivers/tty/serial/stm32-usart.c:14:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/nios2/include/asm/page.h:90:33: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
    # define pfn_valid(pfn)  ((pfn) >= ARCH_PFN_OFFSET && \
                                    ^
   include/linux/compiler.h:184:42: note: in definition of macro 'unlikely'
    # define unlikely(x) __builtin_expect(!!(x), 0)
                                             ^
   include/linux/dma-mapping.h:284:2: note: in expansion of macro 'BUG_ON'
     BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
     ^~~~~~
   include/linux/dma-mapping.h:284:9: note: in expansion of macro 'pfn_valid'
     BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
            ^~~~~~~~~
   drivers/tty/serial/stm32-usart.c: In function 'stm32_tx_dma_complete':
>> drivers/tty/serial/stm32-usart.c:180:34: error: 'USART_CR_TC' undeclared (first use in this function); did you mean 'USART_SR_TC'?
      stm32_set_bits(port, ofs->icr, USART_CR_TC);
                                     ^~~~~~~~~~~
                                     USART_SR_TC
   drivers/tty/serial/stm32-usart.c:180:34: note: each undeclared identifier is reported only once for each function it appears in
   drivers/tty/serial/stm32-usart.c: In function 'stm32_transmit_chars_dma':
   drivers/tty/serial/stm32-usart.c:223:15: warning: variable 'cookie' set but not used [-Wunused-but-set-variable]
     dma_cookie_t cookie;
                  ^~~~~~
   drivers/tty/serial/stm32-usart.c: In function 'stm32_of_dma_rx_probe':
   drivers/tty/serial/stm32-usart.c:736:15: warning: variable 'cookie' set but not used [-Wunused-but-set-variable]
     dma_cookie_t cookie;
                  ^~~~~~


vim +180 drivers/tty/serial/stm32-usart.c

48a6092fb41fab Maxime Coquelin  2015-06-10  160  
3489187204eb75 Alexandre TORGUE 2016-09-15  161  static void stm32_tx_dma_complete(void *arg)
3489187204eb75 Alexandre TORGUE 2016-09-15  162  {
3489187204eb75 Alexandre TORGUE 2016-09-15  163  	struct uart_port *port = arg;
3489187204eb75 Alexandre TORGUE 2016-09-15  164  	struct stm32_port *stm32port = to_stm32_port(port);
3489187204eb75 Alexandre TORGUE 2016-09-15  165  	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;
3489187204eb75 Alexandre TORGUE 2016-09-15  166  	unsigned int isr;
3489187204eb75 Alexandre TORGUE 2016-09-15  167  	int ret;
3489187204eb75 Alexandre TORGUE 2016-09-15  168  
3489187204eb75 Alexandre TORGUE 2016-09-15  169  	ret = readl_relaxed_poll_timeout_atomic(port->membase + ofs->isr,
3489187204eb75 Alexandre TORGUE 2016-09-15  170  						isr,
3489187204eb75 Alexandre TORGUE 2016-09-15  171  						(isr & USART_SR_TC),
3489187204eb75 Alexandre TORGUE 2016-09-15  172  						10, 100000);
3489187204eb75 Alexandre TORGUE 2016-09-15  173  
3489187204eb75 Alexandre TORGUE 2016-09-15  174  	if (ret)
3489187204eb75 Alexandre TORGUE 2016-09-15  175  		dev_err(port->dev, "terminal count not set\n");
3489187204eb75 Alexandre TORGUE 2016-09-15  176  
3489187204eb75 Alexandre TORGUE 2016-09-15  177  	if (ofs->icr == UNDEF_REG)
3489187204eb75 Alexandre TORGUE 2016-09-15  178  		stm32_clr_bits(port, ofs->isr, USART_SR_TC);
3489187204eb75 Alexandre TORGUE 2016-09-15  179  	else
3489187204eb75 Alexandre TORGUE 2016-09-15 @180  		stm32_set_bits(port, ofs->icr, USART_CR_TC);
3489187204eb75 Alexandre TORGUE 2016-09-15  181  
3489187204eb75 Alexandre TORGUE 2016-09-15  182  	stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAT);
3489187204eb75 Alexandre TORGUE 2016-09-15  183  	stm32port->tx_dma_busy = false;
3489187204eb75 Alexandre TORGUE 2016-09-15  184  
3489187204eb75 Alexandre TORGUE 2016-09-15  185  	/* Let's see if we have pending data to send */
3489187204eb75 Alexandre TORGUE 2016-09-15  186  	stm32_transmit_chars(port);
3489187204eb75 Alexandre TORGUE 2016-09-15  187  }
3489187204eb75 Alexandre TORGUE 2016-09-15  188  

:::::: The code at line 180 was first introduced by commit
:::::: 3489187204eb75e5635d8836babfd0a18be613f4 serial: stm32: adding dma support

:::::: TO: Alexandre TORGUE <alexandre.torgue@st.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

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