linux-kernel - Re: [GIT PULL] Driver core update for 4.7-rc1

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Date:	Fri, 20 May 2016 22:20:19 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	William Breathitt Gray <vilhelm.gray@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Driver core update for 4.7-rc1

On Fri, May 20, 2016 at 10:04 PM, Greg KH <gregkh@...uxfoundation.org> wrote:
>
> What warnings?  I haven't seen any reports of warnings, what .config
> causes them?

There's tons of them if you just do an allmodconfig build.

This suddenly enables a lot of random 16-bit ISA driver crap on
x86-64, and not surprisingly it doesn't build cleanly, nor can most of
those drivers work.

I'll just put a smattering of the warnings at the bottom, it scrolls
off the screen.

These really are drivers that should not have been enabled. They are
legacy crap, it's not worth anybodys time to try to "fix" them, they
just shouldn't be on.

                 Linus

---

drivers/ide/ht6560b.c: In function ‘ht6560b_init_dev’:
drivers/ide/ht6560b.c:317:27: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
  ide_set_drivedata(drive, (void *)t);
                           ^
drivers/ide/qd65xx.c: In function ‘qd6500_init_dev’:
drivers/ide/qd65xx.c:295:27: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
  ide_set_drivedata(drive, (void *)QD6500_DEF_DATA);
                           ^
drivers/ide/qd65xx.c: In function ‘qd6580_init_dev’:
drivers/ide/qd65xx.c:311:27: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
  ide_set_drivedata(drive, (void *)((drive->dn & 1) ? t2 : t1));
                           ^
drivers/net/ethernet/3com/3c515.c: In function ‘corkscrew_start_xmit’:
drivers/net/ethernet/3com/3c515.c:1066:8: warning: cast from pointer
to integer of different size [-Wpointer-to-int-cast]
   outl((int) (skb->data), ioaddr + Wn7_MasterAddr);
        ^
drivers/net/ethernet/amd/ni65.c: In function ‘ni65_stop_start’:
drivers/net/ethernet/amd/ni65.c:756:16: warning: cast from pointer to
integer of different size [-Wpointer-to-int-cast]
    buffer[i] = (u32) isa_bus_to_virt(tmdp->u.buffer);
                ^
drivers/rtc/rtc-ds1685.o: warning: objtool: ds1685_rtc_poweroff()
falls through to next function ds1685_rtc_work_queue()
drivers/net/wan/sdla.c: In function ‘sdla_transmit’:
drivers/net/wan/sdla.c:714:13: warning: cast to pointer from integer
of different size [-Wint-to-pointer-cast]
      pbuf = (void *)(((int) dev->mem_start) + (addr & SDLA_ADDR_MASK));
             ^