From: Stefan Wahren <stefan.wahren-eS4NqCHxEME@public.gmane.org> To: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org> Cc: "Sascha Hauer" <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, "Shawn Guo" <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, kernelnewbies <kernelnewbies-7JyXY6prKcjpASu1u0TL5ti2O/JbrIOy@public.gmane.org>, "Maxime Ripard" <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, "Mark Rutland" <mark.rutland-5wv7dgnIgG8@public.gmane.org>, "Fabio Estevam" <fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>, devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "\"Marek Vašut\"" <marex-ynQEQJNshbs@public.gmane.org> Subject: Re: Question about shared interrupts in devicetree Date: Thu, 9 Apr 2015 19:02:44 +0200 (CEST) [thread overview] Message-ID: <619385522.136300.1428598965058.JavaMail.open-xchange@oxbaltgw02.schlund.de> (raw) In-Reply-To: <CAMuHMdXpByUO4S_Qdhvbm8PF8hfGTtqr7aA9mmRE5Dk6LrZkJw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Hi Geert, > Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org> hat am 9. April 2015 um 09:37 > geschrieben: > > [...] > > > > > Could you please explain the benefit / reason of this approach? > > Since you have different logical modules in the subsystem, this allows to > model > the subsystem as separate modules and a separate interrupt controller, and > have separate drivers for all modules. > > Look at da9063 for an example (there are more according to "git grep irq_chip > -- drivers/mfd", but not all of them may have DT bindings). > thanks for the hint, but this makes my patch series not really smaller. I invested a lot of time (started in September 2014) and i want to submit at least 1 of the 3 drivers soon as possible. I think the best approch would be to submit my series with option B as a proposal. In the discussion about the patch it would be easier to decide if a interrupt controller is really necessary. > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- > geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like > that. > -- Linus Torvalds Stefan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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From: stefan.wahren@i2se.com (Stefan Wahren) To: kernelnewbies@lists.kernelnewbies.org Subject: Question about shared interrupts in devicetree Date: Thu, 9 Apr 2015 19:02:44 +0200 (CEST) [thread overview] Message-ID: <619385522.136300.1428598965058.JavaMail.open-xchange@oxbaltgw02.schlund.de> (raw) In-Reply-To: <CAMuHMdXpByUO4S_Qdhvbm8PF8hfGTtqr7aA9mmRE5Dk6LrZkJw@mail.gmail.com> Hi Geert, > Geert Uytterhoeven <geert@linux-m68k.org> hat am 9. April 2015 um 09:37 > geschrieben: > > [...] > > > > > Could you please explain the benefit / reason of this approach? > > Since you have different logical modules in the subsystem, this allows to > model > the subsystem as separate modules and a separate interrupt controller, and > have separate drivers for all modules. > > Look at da9063 for an example (there are more according to "git grep irq_chip > -- drivers/mfd", but not all of them may have DT bindings). > thanks for the hint, but this makes my patch series not really smaller. I invested a lot of time (started in September 2014) and i want to submit at least 1 of the 3 drivers soon as possible. I think the best approch would be to submit my series with option B as a proposal. In the discussion about the patch it would be easier to decide if a interrupt controller is really necessary. > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- > geert at linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like > that. > -- Linus Torvalds Stefan
next prev parent reply other threads:[~2015-04-09 17:02 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-04 21:40 Question about shared interrupts in devicetree Stefan Wahren 2015-04-04 21:40 ` Stefan Wahren [not found] ` <2039290448.1160624.1428183613109.JavaMail.open-xchange-h4m1HHXQYNGvCDav5jC2oMgmgJlYmuWJ@public.gmane.org> 2015-04-07 11:29 ` Mark Rutland 2015-04-07 11:29 ` Mark Rutland 2015-04-07 17:06 ` Stefan Wahren 2015-04-07 17:06 ` Stefan Wahren [not found] ` <2146749411.2111.1428426398346.JavaMail.open-xchange-h4m1HHXQYNGvCDav5jC2oMgmgJlYmuWJ@public.gmane.org> 2015-04-08 19:20 ` Geert Uytterhoeven 2015-04-08 19:20 ` Geert Uytterhoeven [not found] ` <CAMuHMdUaQTotvzRiGczyVxfeu34UNLMmwU=aVGTP6rDSHUK45Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-04-09 7:24 ` Stefan Wahren 2015-04-09 7:24 ` Stefan Wahren [not found] ` <55262935.9080005-eS4NqCHxEME@public.gmane.org> 2015-04-09 7:37 ` Geert Uytterhoeven 2015-04-09 7:37 ` Geert Uytterhoeven [not found] ` <CAMuHMdXpByUO4S_Qdhvbm8PF8hfGTtqr7aA9mmRE5Dk6LrZkJw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-04-09 17:02 ` Stefan Wahren [this message] 2015-04-09 17:02 ` Stefan Wahren 2015-04-22 18:18 ` Stefan Wahren 2015-04-22 18:18 ` Stefan Wahren
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