#linux-rockchip on 2015-01-14 — irc logs at freenode.irclog.whitequark.org

2014-10-07 12:46 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | Wiki at http://linux-rockchip.info | Logs at http://irclog.whitequark.org/linux-rockchip | ML at http://groups.google.com/group/linux-rockchip

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01:55 <ganbold_> naobsd: does radxa lite has same dw mmc ad radxa pro, ES etc?

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02:08 <naobsd> ganbold_: yes of course. dwc mmc is internal unit.

02:09 <naobsd> ganbold_: btw I heard jmcneill succeeded to use mmc on FreeBSD on his RK3188 box

02:10 <ganbold_> right, I'm appying it

02:10 <ganbold_> do you think rk30xx-mmc is right string in dts?

02:11 <ganbold_> I think it should be something like "rk2928-dw-mshc"

02:11 <naobsd> I recommend to follow linux dts

02:13 <naobsd> linux dts relicensing should be done before many people submit patches...

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02:14 <mrueg> btw what's dw?

02:14 <ganbold_> yeah, I think it is rk2928-dw-mshc like in https://github.com/torvalds/linux/blob/master/arch/arm/boot/dts/rk3xxx.dtsi#L177

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02:16 <mrueg> ah designware, right?

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02:22 <naobsd> mrueg: yes

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02:24 <mrueg> naobsd: thanks

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04:23 <ganbold_> naobsd: mmc works, it is not detecting attach/detach, maybe it works that way

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04:33 <dan64B> Hi. Anyone, here? :)

04:37 <amstan> maybe?

04:39 <dan64B> yay, one alive person found, cool.

04:39 <amstan> \o/

04:39 <dan64B> I'm wondering if someone could point me in right direction....

04:39 <dan64B> I'm trying to compile latest linux kernel for ARM RochChip 3188....how would I go about creating a defconfig file?

04:40 <dan64B> Perhaps, I need to read a book about Linux kernel compiling for ARM - general knowledge...or something...

04:43 <amstan> dan64B: what device is it for?

04:44 <amstan> you might also need to get a dts file

04:44 <dan64B> Minix Neo X7

04:47 <naobsd> latest linux kernel == mainline kernel?

04:47 <amstan> yeah, should be

04:48 <amstan> but there's also linux-next, which might be a little better for new devices like this

04:48 <dan64B> I'm looking for general knowledge (as this is is learning process) - I mean I wouldn't just want to copy some existing files (without understanding the general process for any device/kernel).

04:48 <amstan> for configs you generally do, they're pretty big

04:49 <amstan> there's a lot of books about it though, feel free to look, especially if you want to do more linux development in the future

04:51 <dan64B> alright, where would you recommend to start? Find/get some config files and get the ball rolling - then dive into some books. Seems the plan in my opinion. Which brings me back to first question. What config files should I start with for the X7 3188?

04:51 <amstan> that i'm not sure

04:52 <amstan> on where to start, perhaps something like this: http://www.makelinux.net/books/lkd2/?u=ch02lev1sec3

04:52 <amstan> but it won't tell you about defconfig

04:56 <dan64B> silly question, I see few names logged in on the right side this chat screen - are they active users or ...?

04:56 <amstan> they're technically people in this channel, they could speak at any time

04:57 <amstan> they're probably idle, but they would still be able to see this conversation when they return

04:58 <dan64B> Are we then at dead end with config/dts files for X7? Should I get cheap stick and learn on that then?

04:59 <amstan> while i might not know the answer, someone else in here might

04:59 <amstan> or you can ask on the mailing list for a more long term question

05:02 <dan64B> ...trying to find the mailing list...have you got the link?

05:02 <amstan> see the topic

05:02 <naobsd> as general talking, for learning Linux development, I recommend to use "already supported" device for first time

05:05 <dan64B> Found it; ML = Mailing List :)

05:05 <dan64B> alright, thanks guys.

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05:32 <naobsd> where should I send patches for Documentation/devicetree/bindings/arm/rockchip.txt and Documentation/devicetree/bindings/vendor-prefixes.txt?

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05:33 <naobsd> linux-doc@vger.kernel.org devicetree@vger.kernel.org

05:36 <naobsd> ah scripts/get_maintainer.pl

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05:52 <amstan> naobsd: there's also this tool called patman

05:53 <amstan> if you're into that sort of stuff

05:53 <amstan> there's also https://patchwork.kernel.org/project/linux-rockchip/list/

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05:53 <amstan> Here's a patch i did a while ago for bindings: https://patchwork.kernel.org/patch/5516551/

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08:28 <rperier> fixes for rk3188 clk have been merged recently by Mike but it is not in "next" yet... ?

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10:48 <dmarkey> Is this for dev only, or any user questions?

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13:37 <BorgCuba> hi, I am testing mali drivers (these: http://androtab.info/radxa_rock/mali/) on rk3188 with 3.0.36 kernel and I can see different errors on the log

13:37 <BorgCuba> like: Mali: ERR: /home/jan/devel/rk30xx/radxalt/mali-modules/DX910-SW-99002-r3p2-01rel2/driver/src/devicedrv/mali/common/mali_group.c

13:37 <BorgCuba> mali_group_bottom_half_pp()1626

13:37 <BorgCuba> Mali PP: Unexpected interrupt 0x00000201 from core Mali_PP0, aborting job

13:38 <BorgCuba> and the same for PP1,2,3

13:38 <BorgCuba> and:

13:38 <BorgCuba> Mali: Out of memory. Mali memory allocated: 215296 kB Configured maximum OS memory usage: 262144 kB

13:38 <BorgCuba> Mali: Memory allocate failed, could not allocate size 50944 kB.

13:39 <BorgCuba> ... lots of both

13:40 <BorgCuba> the result is that for example that the xbmc is really slow while it only takes about 25% cpu usage

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