[PATCH] drivers: remoteproc: constify rproc_ops structures
Bhumika Goyal
bhumirks at gmail.com
Sat Dec 31 22:23:37 PST 2016
On Sat, Dec 31, 2016 at 11:24 PM, Bjorn Andersson
<bjorn.andersson at linaro.org> wrote:
> On Sat 31 Dec 02:43 PST 2016, Bhumika Goyal wrote:
>
>> On Fri, Dec 30, 2016 at 5:36 PM, Bjorn Andersson
>> <bjorn.andersson at linaro.org> wrote:
>> > On Sat 17 Dec 03:29 PST 2016, Bhumika Goyal wrote:
>> >
>> >> Declare rproc_ops structures as const as they are only passed as an
>> >> argument to the function rproc_alloc. This argument is of type const, so
>> >> rproc_ops structures having this property can be declared const too.
>> >> Done using Coccinelle:
>> >>
>> >> @r1 disable optional_qualifier @
>> >> identifier i;
>> >> position p;
>> >> @@
>> >> static struct rproc_ops i at p = {...};
>> >>
>> >> @ok1@
>> >> identifier r1.i;
>> >> position p;
>> >> @@
>> >> rproc_alloc(...,&i at p,...)
>> >>
>> >> @bad@
>> >> position p!={r1.p,ok1.p};
>> >> identifier r1.i;
>> >> @@
>> >> i at p
>> >>
>> >> @depends on !bad disable optional_qualifier@
>> >> identifier r1.i;
>> >> @@
>> >> +const
>> >> struct rproc_ops i;
>> >>
>> >> File sizes before:
>> >> text data bss dec hex filename
>> >> 1258 416 0 1674 68a remoteproc/omap_remoteproc.o
>> >> 2402 240 0 2642 a52 remoteproc/st_remoteproc.o
>> >> 2064 272 0 2336 920 remoteproc/st_slim_rproc.o
>> >> 2160 240 0 2400 960 remoteproc/wkup_m3_rproc.o
>> >>
>> >> File sizes after:
>> >> text data bss dec hex filename
>> >> 1297 368 0 1665 681 remoteproc/omap_remoteproc.o
>> >> 2434 192 0 2626 a42 remoteproc/st_remoteproc.o
>> >> 2112 240 0 2352 930 remoteproc/st_slim_rproc.o
>> >> 2200 192 0 2392 958 remoteproc/wkup_m3_rproc.o
>> >>
>> >> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
>> >
>> > Thanks Bhumika, this looks good.
>> >
>> > But as Suman already asked. Is there any reason why da8xx_remoteproc.c
>> > did not get updated? It looks like the same change would apply there.
>> >
>> >
>>
>> The reason I did not sent a patch for that driver is because the .o
>> file is not obtained. This is output I get when I try to compile the
>> da8xx_remoteproc.o file.
>>
>> drivers/remoteproc/da8xx_remoteproc.c:22:72: fatal error:
>> mach/clock.h: No such file or directory
>> #include <mach/clock.h> /* for davinci_clk_reset_assert/deassert() */
>> ^
>> compilation terminated.
>> make[1]: *** [drivers/remoteproc/da8xx_remoteproc.o] Error 1
>> make: *** [drivers/remoteproc/da8xx_remoteproc.o] Error 2
>>
>> I also tried running the commands make.cross ARCH=arm allyesconfig;
>> make.cross ARCH=arm drivers/remoteproc/da8xx_remoteproc.o but still
>> the error remains the same.
>>
>> Could you please suggest me what to do in this case?
>>
>
> By using davinci_all_defconfig and then selecting
> CONFIG_DA8XX_REMOTEPROC I managed to compile it, not sure what differs.
>
Yes, it compiled. Thanks for the input. Now I will include this driver
as well and send a v2.
Thanks,
Bhumika
> If you can't get it working please include the da8xx_remoteproc change
> as well and just note that you didn't manage to test it.
>
> Regards,
> Bjorn
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