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* [asm-generic:master 55/64] drivers/usb/musb/musb_host.c:577:10: error: 'struct musb' has no member named 'double_buffer_not_ok'
@ 2018-03-15 22:18 kbuild test robot
  0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2018-03-15 22:18 UTC (permalink / raw)
  To: Arnd Bergmann; +Cc: kbuild-all, linux-arch

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
head:   f153efce6212224d2448cd6661626ace885c42c0
commit: 8312c0cad7923a82d27c305c3fda1e05014fdf40 [55/64] usb: musb: remove blackfin port
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 8312c0cad7923a82d27c305c3fda1e05014fdf40
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   drivers/usb/musb/musb_host.c: In function 'musb_rx_reinit':
>> drivers/usb/musb/musb_host.c:577:10: error: 'struct musb' has no member named 'double_buffer_not_ok'
     if (musb->double_buffer_not_ok)
             ^~
   drivers/usb/musb/musb_host.c: In function 'musb_ep_program':
   drivers/usb/musb/musb_host.c:807:12: error: 'struct musb' has no member named 'double_buffer_not_ok'
       if (musb->double_buffer_not_ok) {
               ^~
--
   drivers/usb/musb/musb_gadget.c: In function 'musb_gadget_enable':
>> drivers/usb/musb/musb_gadget.c:998:11: error: 'struct musb' has no member named 'double_buffer_not_ok'
      if (musb->double_buffer_not_ok) {
              ^~
   drivers/usb/musb/musb_gadget.c:1041:11: error: 'struct musb' has no member named 'double_buffer_not_ok'
      if (musb->double_buffer_not_ok)
              ^~

vim +577 drivers/usb/musb/musb_host.c

550a7375f Felipe Balbi     2008-07-24  515  
550a7375f Felipe Balbi     2008-07-24  516  /* we don't always need to reinit a given side of an endpoint...
550a7375f Felipe Balbi     2008-07-24  517   * when we do, use tx/rx reinit routine and then construct a new CSR
550a7375f Felipe Balbi     2008-07-24  518   * to address data toggle, NYET, and DMA or PIO.
550a7375f Felipe Balbi     2008-07-24  519   *
550a7375f Felipe Balbi     2008-07-24  520   * it's possible that driver bugs (especially for DMA) or aborting a
550a7375f Felipe Balbi     2008-07-24  521   * transfer might have left the endpoint busier than it should be.
550a7375f Felipe Balbi     2008-07-24  522   * the busy/not-empty tests are basically paranoia.
550a7375f Felipe Balbi     2008-07-24  523   */
550a7375f Felipe Balbi     2008-07-24  524  static void
0cb74b3dc Hans de Goede    2015-03-20  525  musb_rx_reinit(struct musb *musb, struct musb_qh *qh, u8 epnum)
550a7375f Felipe Balbi     2008-07-24  526  {
0cb74b3dc Hans de Goede    2015-03-20  527  	struct musb_hw_ep *ep = musb->endpoints + epnum;
550a7375f Felipe Balbi     2008-07-24  528  	u16	csr;
550a7375f Felipe Balbi     2008-07-24  529  
550a7375f Felipe Balbi     2008-07-24  530  	/* NOTE:  we know the "rx" fifo reinit never triggers for ep0.
550a7375f Felipe Balbi     2008-07-24  531  	 * That always uses tx_reinit since ep0 repurposes TX register
550a7375f Felipe Balbi     2008-07-24  532  	 * offsets; the initial SETUP packet is also a kind of OUT.
550a7375f Felipe Balbi     2008-07-24  533  	 */
550a7375f Felipe Balbi     2008-07-24  534  
550a7375f Felipe Balbi     2008-07-24  535  	/* if programmed for Tx, put it in RX mode */
550a7375f Felipe Balbi     2008-07-24  536  	if (ep->is_shared_fifo) {
550a7375f Felipe Balbi     2008-07-24  537  		csr = musb_readw(ep->regs, MUSB_TXCSR);
550a7375f Felipe Balbi     2008-07-24  538  		if (csr & MUSB_TXCSR_MODE) {
550a7375f Felipe Balbi     2008-07-24  539  			musb_h_tx_flush_fifo(ep);
b6e434a54 Sergei Shtylyov  2009-03-26  540  			csr = musb_readw(ep->regs, MUSB_TXCSR);
550a7375f Felipe Balbi     2008-07-24  541  			musb_writew(ep->regs, MUSB_TXCSR,
b6e434a54 Sergei Shtylyov  2009-03-26  542  				    csr | MUSB_TXCSR_FRCDATATOG);
550a7375f Felipe Balbi     2008-07-24  543  		}
b6e434a54 Sergei Shtylyov  2009-03-26  544  
b6e434a54 Sergei Shtylyov  2009-03-26  545  		/*
b6e434a54 Sergei Shtylyov  2009-03-26  546  		 * Clear the MODE bit (and everything else) to enable Rx.
b6e434a54 Sergei Shtylyov  2009-03-26  547  		 * NOTE: we mustn't clear the DMAMODE bit before DMAENAB.
b6e434a54 Sergei Shtylyov  2009-03-26  548  		 */
b6e434a54 Sergei Shtylyov  2009-03-26  549  		if (csr & MUSB_TXCSR_DMAMODE)
b6e434a54 Sergei Shtylyov  2009-03-26  550  			musb_writew(ep->regs, MUSB_TXCSR, MUSB_TXCSR_DMAMODE);
550a7375f Felipe Balbi     2008-07-24  551  		musb_writew(ep->regs, MUSB_TXCSR, 0);
550a7375f Felipe Balbi     2008-07-24  552  
550a7375f Felipe Balbi     2008-07-24  553  	/* scrub all previous state, clearing toggle */
f3eec0cf7 Andrew Goodbody  2016-05-31  554  	}
550a7375f Felipe Balbi     2008-07-24  555  	csr = musb_readw(ep->regs, MUSB_RXCSR);
550a7375f Felipe Balbi     2008-07-24  556  	if (csr & MUSB_RXCSR_RXPKTRDY)
550a7375f Felipe Balbi     2008-07-24  557  		WARNING("rx%d, packet/%d ready?\n", ep->epnum,
550a7375f Felipe Balbi     2008-07-24  558  			musb_readw(ep->regs, MUSB_RXCOUNT));
550a7375f Felipe Balbi     2008-07-24  559  
550a7375f Felipe Balbi     2008-07-24  560  	musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
550a7375f Felipe Balbi     2008-07-24  561  
550a7375f Felipe Balbi     2008-07-24  562  	/* target addr and (for multipoint) hub addr/port */
550a7375f Felipe Balbi     2008-07-24  563  	if (musb->is_multipoint) {
6cc2af6d5 Hans de Goede    2015-03-20  564  		musb_write_rxfunaddr(musb, epnum, qh->addr_reg);
6cc2af6d5 Hans de Goede    2015-03-20  565  		musb_write_rxhubaddr(musb, epnum, qh->h_addr_reg);
6cc2af6d5 Hans de Goede    2015-03-20  566  		musb_write_rxhubport(musb, epnum, qh->h_port_reg);
550a7375f Felipe Balbi     2008-07-24  567  	} else
550a7375f Felipe Balbi     2008-07-24  568  		musb_writeb(musb->mregs, MUSB_FADDR, qh->addr_reg);
550a7375f Felipe Balbi     2008-07-24  569  
550a7375f Felipe Balbi     2008-07-24  570  	/* protocol/endpoint, interval/NAKlimit, i/o size */
550a7375f Felipe Balbi     2008-07-24  571  	musb_writeb(ep->regs, MUSB_RXTYPE, qh->type_reg);
550a7375f Felipe Balbi     2008-07-24  572  	musb_writeb(ep->regs, MUSB_RXINTERVAL, qh->intv_reg);
550a7375f Felipe Balbi     2008-07-24  573  	/* NOTE: bulk combining rewrites high bits of maxpacket */
9f445cb29 Cliff Cai        2010-01-28  574  	/* Set RXMAXP with the FIFO size of the endpoint
9f445cb29 Cliff Cai        2010-01-28  575  	 * to disable double buffer mode.
9f445cb29 Cliff Cai        2010-01-28  576  	 */
066248185 Felipe Balbi     2011-01-21 @577  	if (musb->double_buffer_not_ok)
9f445cb29 Cliff Cai        2010-01-28  578  		musb_writew(ep->regs, MUSB_RXMAXP, ep->max_packet_sz_rx);
9f445cb29 Cliff Cai        2010-01-28  579  	else
a483d7068 Ajay Kumar Gupta 2009-04-03  580  		musb_writew(ep->regs, MUSB_RXMAXP,
a483d7068 Ajay Kumar Gupta 2009-04-03  581  				qh->maxpacket | ((qh->hb_mult - 1) << 11));
550a7375f Felipe Balbi     2008-07-24  582  
550a7375f Felipe Balbi     2008-07-24  583  	ep->rx_reinit = 0;
550a7375f Felipe Balbi     2008-07-24  584  }
550a7375f Felipe Balbi     2008-07-24  585  

:::::: The code at line 577 was first introduced by commit
:::::: 0662481855c389b75a0a54c32870cc90563d80a9 usb: musb: disable double buffering when it's broken

:::::: TO: Felipe Balbi <balbi@ti.com>
:::::: CC: Felipe Balbi <balbi@ti.com>

---
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2018-03-15 22:18 [asm-generic:master 55/64] drivers/usb/musb/musb_host.c:577:10: error: 'struct musb' has no member named 'double_buffer_not_ok' kbuild test robot

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