Subject: Re: linux-next: Tree for Aug 28 [ xhci build breakage ]

From: Dmitry Kasatkin <[email-masked]>
Date: Wed, 28 Aug 2013 13:43:09 +0300

On 28/08/13 13:38, Sedat Dilek wrote:
> On Wed, Aug 28, 2013 at 12:29 PM, Sedat Dilek <[email-masked]> wrote:
>> On Wed, Aug 28, 2013 at 11:56 AM, Sedat Dilek <[email-masked]> wrote:
>>> On Wed, Aug 28, 2013 at 11:49 AM, Sedat Dilek <[email-masked]> wrote:
>>>> Hi all,
>>>>
>>>> Changes since 20130827:
>>>>
>>>> The f2fs tree lost its build failure.
>>>>
>>>> The md tree gained a conflict against the arm tree.
>>>>
>>>> The libata tree lost its build failure.
>>>>
>>>> The spi tree lost its build failure.
>>>>
>>>> The arm-soc tree gained conflicts against the usb tree.
>>>>
>>>> The dma-mapping tree gained a conflict against the driver-core tree.
>>>>
>>>> The akpm-current tree gained a conflict against the net tree.
>>>>
>>>> ----------------------------------------------------------------------------
>>>>
>>>> My build here breaks like this:
>>>>
>>>>   CC      drivers/usb/host/xhci-ring.o
>>>>   CC      drivers/video/console/softcursor.o
>>>> drivers/usb/host/xhci-ring.c: In function 'xhci_queue_intr_tx':
>>>> drivers/usb/host/xhci-ring.c:3090:3: error: implicit declaration of
>>>> function 'DEFINE_DYNAMIC_DEBUG_METADATA'
>>>> [-Werror=implicit-function-declaration]
>>>> drivers/usb/host/xhci-ring.c:3090:3: error: 'descriptor' undeclared
>>>> (first use in this function)
>>>> drivers/usb/host/xhci-ring.c:3090:3: note: each undeclared identifier
>>>> is reported only once for each function it appears in
>>>> drivers/usb/host/xhci-ring.c:3090:3: error: implicit declaration of
>>>> function '__dynamic_pr_debug' [-Werror=implicit-function-declaration]
>>>> drivers/usb/host/xhci-ring.c: In function 'xhci_queue_isoc_tx_prepare':
>>>> drivers/usb/host/xhci-ring.c:3875:3: error: 'descriptor' undeclared
>>>> (first use in this function)
>>>> cc1: some warnings being treated as errors
>>>> make[5]: *** [drivers/usb/host/xhci-ring.o] Error 1
>>>> make[4]: *** [drivers/usb/host] Error 2
>>>>
>>>> My kernel-config is attached.
>>>>
>>> Looks like <linux/device.h> or <linux/dynamic_debug.h> is missing.
>>>
>>> $ egrep -w '__dynamic_pr_debug|DEFINE_DYNAMIC_DEBUG_METADATA' -nr linux/include/
>>> linux/include/linux/device.h:1118:
>>> DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
>>> linux/include/linux/device.h:1121:
>>> __dynamic_pr_debug(&descriptor, pr_fmt(fmt),            \
>>> linux/include/linux/dynamic_debug.h:45:int __dynamic_pr_debug(struct
>>> _ddebug *descriptor, const char *fmt, ...);
>>> linux/include/linux/dynamic_debug.h:63:#define
>>> DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt)         \
>>> linux/include/linux/dynamic_debug.h:76:
>>> DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);         \
>>> linux/include/linux/dynamic_debug.h:78:
>>> __dynamic_pr_debug(&descriptor, pr_fmt(fmt),    \
>>> linux/include/linux/dynamic_debug.h:84:
>>> DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);         \
>>> linux/include/linux/dynamic_debug.h:92:
>>> DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);         \
>>> linux/include/linux/dynamic_debug.h:101:
>>> DEFINE_DYNAMIC_DEBUG_METADATA(descriptor,               \
>>>
>>> Can't say which one is preferred here.
>>>
>> looks like device.h is preferred or used in the sources, but this does
>> not fix the issue here.
>> sth. wrong with dev_dbg_ratelimited()?
>>
> That change seems to cause the problems:
>
> commit 0730d52a86919300a39a2be37f6c140997dfb82f
> "xhci:prevent "callbacks suppressed" when debug is not enabled"
>
> - Sedat -
>
> [1] http://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/drivers/usb/host/xhci-ring.c?h=usb-next&id=0730d52a86919300a39a2be37f6c140997dfb82f
>
Hello,

[PATCHv2 1/2] was not applied before.
I pointed this out few hours ago...

- Dmitry