linux-kernel - Re: [PATCH] serial: Do not treat the IIR register as a bitfield

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Date:   Thu, 30 Mar 2017 18:06:01 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Olliver Schinagl <oliver@...inagl.nl>
Cc:     kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Courbot <gnurou@...il.com>,
        "David S . Miller" <davem@...emloft.net>, dev@...ux-sunxi.org,
        Ed Blake <ed.blake@...tec.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Alexander Sverdlin <alexander.sverdlin@...ia.com>,
        Yegor Yefremov <yegorslists@...glemail.com>,
        Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@...el.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jason Uy <jason.uy@...adcom.com>,
        Douglas Anderson <dianders@...omium.org>,
        Peter Hurley <peter@...leysoftware.com>,
        Tony Lindgren <tony@...mide.com>, Vignesh R <vigneshr@...com>,
        Thor Thayer <tthayer@...nsource.altera.com>,
        David Lechner <david@...hnology.com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, sparclinux@...r.kernel.org,
        Olliver Schinagl <oliver@...inagl.nl>
Subject: Re: [PATCH] serial: Do not treat the IIR register as a bitfield

Hi Olliver,

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on v4.11-rc4 next-20170329]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Olliver-Schinagl/serial-Do-not-treat-the-IIR-register-as-a-bitfield/20170330-165826
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: i386-randconfig-s0-201713 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/net/irda/ali-ircc.c: In function 'ali_ircc_sir_interrupt':
>> drivers/net/irda/ali-ircc.c:816:31: error: 'UART_IIR_ID' undeclared (first use in this function)
     iir = inb(iobase+UART_IIR) & UART_IIR_ID;
                                  ^~~~~~~~~~~
   drivers/net/irda/ali-ircc.c:816:31: note: each undeclared identifier is reported only once for each function it appears in

vim +/UART_IIR_ID +816 drivers/net/irda/ali-ircc.c

^1da177e Linus Torvalds 2005-04-16  810  	int iobase;
^1da177e Linus Torvalds 2005-04-16  811  	int iir, lsr;
^1da177e Linus Torvalds 2005-04-16  812  	
^1da177e Linus Torvalds 2005-04-16  813  	
^1da177e Linus Torvalds 2005-04-16  814  	iobase = self->io.sir_base;
^1da177e Linus Torvalds 2005-04-16  815  
^1da177e Linus Torvalds 2005-04-16 @816  	iir = inb(iobase+UART_IIR) & UART_IIR_ID;
^1da177e Linus Torvalds 2005-04-16  817  	if (iir) {	
^1da177e Linus Torvalds 2005-04-16  818  		/* Clear interrupt */
^1da177e Linus Torvalds 2005-04-16  819  		lsr = inb(iobase+UART_LSR);

:::::: The code at line 816 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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