Hi Linus, On 08/08/2014 03:53 PM, Linus Walleij wrote: > On Wed, Jul 23, 2014 at 4:44 PM, Grygorii Strashko > <grygorii.strashko@xxxxxx> wrote: > >> From: Murali Karicheri <m-karicheri2@xxxxxx> >> >> On Keystone SOCs, ARM host can send interrupts to DSP cores using the >> DSP GPIO controller IP. Each DSP GPIO controller provides 28 IRQ signals for >> each DSP core. This is one of the component used by the IPC mechanism used >> on Keystone SOCs. >> >> Keystone 2 DSP GPIO controller has specific features: >> - each GPIO can be configured only as output pin; >> - setting GPIO value to 1 causes IRQ generation on target DSP core; >> - reading pin value returns 0 - if IRQ was handled or 1 - IRQ is still >> pending. >> >> Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx> >> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx> >> --- >> Changes in v2: >> - minor comments applied > > Hm so there was one major comment, quoting myself: > > "And if you proceed with this, please integrate it with > drivers/gpio/gpio-syscon.c, I don't need more special > syscons GPIO handlers." > > Maybe you missed this in the midst of the other discussions > about whether this is GPIO at all, but that comment still > stands even if you talk me down on the generality of this > driver. > There is some misunderstanding, sorry. And I've not missed your Major comment. I posted v2 after a week after v1, but, unfortunately, right before discussion on v1 had been actually started :( >> +++ b/Documentation/devicetree/bindings/gpio/gpio-keystone.txt > > Make this follow the style in: > Documentation/devicetree/bindings/gpio/cirrus,clps711x-mctrl-gpio.txt > Regards, -grygorii -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html