linux-kernel - Re: [PATCH 9/9] HID: add compat support

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Date:	Sun, 11 May 2008 23:07:08 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Jiri Kosina <jkosina@...e.cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, marcel@...tmann.org,
	linux-kernel@...r.kernel.org, anssi.hannula@...il.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 9/9] HID: add compat support

On 05/11/2008 10:48 PM, Sam Ravnborg wrote:
> On Sun, May 11, 2008 at 10:00:43PM +0200, Jiri Slaby wrote:
>> diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
>> index 8a5cbbe..c5bca8f 100644
>> --- a/drivers/hid/Makefile
>> +++ b/drivers/hid/Makefile
>> @@ -15,3 +15,25 @@ obj-$(CONFIG_USB_HID)		+= usbhid/
>>  obj-$(CONFIG_USB_MOUSE)		+= usbhid/
>>  obj-$(CONFIG_USB_KBD)		+= usbhid/
>>  
>> +targets := hid-dummy.h
>> +
>> +ifdef CONFIG_HID_COMPAT
>> +
>> +obj-m		+= hid-dummy.o
>> +
>> +$(srctree)/$(src)/hid-dummy.c: $(obj)/hid-dummy.h
>> +
>> +$(obj)/hid-dummy.h: $(filter-out $(srctree)/drivers/hid/hid-dummy.c,$(wildcard $(srctree)/drivers/hid/*.c))
>> +	@echo -e 'static void __always_inline hid_dummy_load(void)\n{' > $@
>> +	@FUNS=`grep -h 'HID_COMPAT_LOAD_DRIVER(' $(srctree)/drivers/hid/*.c | \
>> +	sed -e 's/HID_COMPAT_LOAD_DRIVER( *\([^ ]*\) *) *;/\1/'`; \
>> +	for FUN in $$FUNS; do \
>> +		echo -e "\textern void hid_compat_$$FUN(void);"; \
>> +	done >> $@; \
>> +	echo >> $@; \
>> +	for FUN in $$FUNS; do \
>> +		echo -e "\thid_compat_$$FUN();"; \
>> +	done >> $@
>> +	@echo "}" >> $@
> 
> I would prefer to see this done explicit in favour of some magic
> makefile fragment as the above.
> It is much simpler to understand if done explicit.
> And it is not like we are talking 10 or 50 files here.

Sorry, I don't understand you at all. Could you re-formulate what do you want to 
see rather than this? Maybe an example would be good.
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