mnemoc changed the topic of #linux-sunxi to: Allwinner/sunxi development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<mripard> oliv3r: I have no idea, and that file doesn't even exist in my trees
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<oliv3r> mripard: ah; then it's something from the rc's, it's a 2014 patch though
<oliv3r> mripard: the idea is to 'unify' the acpi and of stuff to have 1 function for both
<oliv3r> mripard: also, i've submitted some patches to fix the led-gpio driver; i found out however that we are implementing the gpios for it 'not properly'. The gpio bindings document says to not use unnamed gpio's, but all of our gpio's are unnamed. Ideally we'd want to properly name them (led-gpios); but obviously we have some backwards compatibility headaches?
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<mripard> oliv3r: why do you think no one did it ? :)
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<oliv3r> mripard: well when we first started adding the led gpio's we should've :p
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<oliv3r> mripard: anyway, i don't see an obvious solution; i can do my newly defined gpio's properly, but then we get a 'mixed batch' :S
<NiteHawk> i have no experience with this, so just a random thought: use the proper name from now on, and add a symlink for the 'compatability' name?
<wens> it's the device tree, not the filesystem
<NiteHawk> ah, okay - i thought sysfs
<mripard> oliv3r: when we first started to use led gpios, named gpios were not recommended.
<oliv3r> mripard: ah, so when they say 'use named gpios for new bindings' what would you concider a new binding?
<oliv3r> any new dts submitted?
<oliv3r> so a 'from now on'?
<oliv3r> the code deals with both cases
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<mripard> oliv3r: no, a new binding.
<mripard> a new "contract" between a driver and the DT
<mripard> so, for example, when you add a new driver to Linux, you add a new interface, and add a new binding
<mripard> if you just enable that driver in one DT, you use an already defined one
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<oliv3r> ah okay
<oliv3r> so changing the existing led bindings can only be done when people _need_ to update the dtb
<oliv3r> kinda sucks S: but understandable
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<mripard> no
<mripard> changing the existing LED binding is just not an option
<mripard> or you have to still support the old one
<oliv3r> well that is allready done; so the function takes either/or
<oliv3r> so the code is 'ready for the change'
<oliv3r> but obviously the dtb can't be cahnged if you want it on older kernels
<oliv3r> mripard: btw, will you be attending fosdem?
<mripard> you should only care about backward compatibility
<mripard> ie old DT with new kernel
<mripard> and yes
<oliv3r> awesome :
<oliv3r> you can visit our booth :D
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<oliv3r> mripard: but if you only care about backwards compatibilty (in the source) then how can you ever progress and 'fix' wrong choices?
<wens> you have to carry the baggage i suppose :(
<mripard> yep
<oliv3r> well you want to 'prepare' to drop the baggage at some point no?
<mripard> we had kind of an exception for sunxi
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<oliv3r> so when there is a window of opertunity (e.g. v2 which requires new dtb) you 'fix' things?
<mripard> because we were a platform-in-progress
<mripard> and we had to update the DT to have something pretty much at every version to support new stuff
<oliv3r> yeah
<mripard> but that period pretty much comes to an end
<oliv3r> agree'd
<mripard> wens experienced it last merge window ;)
<wens> next opportunity (?) might be when the whole display pipeline gets merged
<wens> mripard: which one was that? clocks?
<oliv3r> mripard, wens; hans and I are the only 2 at the sunxi dinner :) are you two interestted for saturday evening?
<mripard> but the rule is "once it has been in a stable release, don't change that"
<mripard> wens: yep
<wens> speaking of which, you're doing a v3 (?) for the mmc phase clocks, right?
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<oliv3r> wens: you mentioned that we use irq's on sd-detect
<oliv3r> are you use? only EINT pins have irq's right?
<mripard> oliv3r: I'll be there
<mripard> wens: yep, this weekend
<wens> oliv3r: yes, the mmc driver calls gpio_to_irq to get it
<oliv3r> mripard: could you reply on the list so i can have a bump + easy headcount thread? :)
<wens> maybe it's in mmc/core
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<oliv3r> wens: ok, i think the LIME atleast doesn't use an EINT pin
<wens> oliv3r: the mmc core uses the gpio subsystem, in case boards don't support interrupts and use polling
<oliv3r> wens: ah nvm it does
<oliv3r> well the lime2 has it proper
<oliv3r> i'll use the keyboard_polled and gpio_keyboard drivers to double check if i'm getting those interrupts
<oliv3r> since nobody tested it yet :)
<oliv3r> wens: also if you could be so kind to reply to the mail on the list so that I can plan on reservations :)
<oliv3r> mripard: also, where did you get the info which pin is IRQ capable? I datasheet/usermanual dissagree's with the wiki/source
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<mripard> datasheet
<oliv3r> so technically, we have no way of verifying what actually is correct
<oliv3r> because our (new) code uses EINT on PC19-PC22; but the PIO section of the datasheet didn't mention it if i recall correctly
<wens> the a10/a20 only has EINT on one or two pingroups
<oliv3r> i guess the only way to verify it is by using a guaranteed to work pin (do we have a way to test this in 3.4?)
<oliv3r> and then just check the existing ones
<oliv3r> i can do that; but i need a method to verify atleast 1
<wens> oliv3r: PCxx doesn't support EINT
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<wens> ssvb: hmm, i should be able to use your patches to enable the lcd -> vga converter on the hummingbird a31
<ssvb> wens: vga converter?
<ssvb> wens: you probably mean something like the a13 olimuxino lcd->vga support code which was done by hans?
<wens> ssvb: there's a standalone chip that converts parallel lcd to rgb
<wens> hmm, you're right
<ssvb> on my tablet it is lcd->mipi
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<oliv3r> wens: so the wiki + manual + olimex GPIO info sheet is wrong :)
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<oliv3r> wens: so only PH and PI do EINT then PH for the first half, PI for the second
<oliv3r> well 2/3's
<oliv3r> wens: explains why my interrupts aren't working then :p
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<wens> the manual looks right?
<wens> EINT 0 ~ 21 on PH 0 ~ 21, EINT 22 ~ 31 on PI 10 ~ 19
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<oliv3r> the wiki and the olimex gpio are wrong though :)
<oliv3r> and i'm sure i saw it somewhere in the datasheet/manual wrong, maybe an old version?
<oliv3r> a20 pio page is a copy of a10 with some modifications, so those changes must have come from somewhere; ti's fixed now of course
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<kmil> <kmil> hello [10:01] <kmil> I'm triying linux-sunxi [10:01] <kmil> congrats for this [10:01] <kmil> Is it possible bug exists? [10:03] <kmil> when I try compile awutils, compile fail, terminal show me this message: "fex_command(usb, AWL_FEL_1_EXEC, 0x2000, 0, NULL, 0); ^ awflash.c:423:20: note: each undeclared identifier is reported only once for each function it appears in make: *** [awflash] Error 1" [10:05]
<kmil> sorry
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<kmil> hello I'm triying linux-sunxi congrats for this Is it possible bug exists?
<kmil> when I try compile awutils, compile fail, terminal show me this message: "fex_command(usb, AWL_FEL_1_EXEC, 0x2000, 0, NULL, 0); ^ awflash.c:423:20: note: each undeclared identifier is reported only once for each function it appears in make: *** [awflash] Error 1"
<kmil> My OS is Ubuntu 14.04 64 bits anyone could help me?
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<oliv3r> kmil: did you check out the latest git sources?
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<tyler-baker> Anyone have access to sun6i platforms? i.e. a31-app4-evb1, a31-colombus, a31-hummingbird, a31-m9.
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<mripard> tyler-baker: at least wens and I here
<mripard> why?
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<tyler-baker> mripard, I wanted to test the suggestions from http://www.spinics.net/lists/arm-kernel/msg389162.html on a sun6i platform
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<mripard> tyler-baker: I'll try tha tomorrow
<tyler-baker> mripard, much appreciated, thanks!
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<libv> ssvb: i'm sorry, i do not like your support table :)
<libv> an extra level of === for manual build, mainline kernel, mainline uboot would be much more intuitive i think
<libv> both for editing and for reading
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<libv> much more flexible as well
<libv> plus, you can smack people around the head with links when you have headers
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<libv> ssvb: not that it needs to be changed _immediately_, just that this experiment proves that this doesn't seem to be the best solution
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