On Mon, Jul 7, 2014 at 5:23 PM, Baruch Siach <baruch@xxxxxxxxxx> wrote: > On Mon, Jul 07, 2014 at 04:51:56PM +0200, Linus Walleij wrote: >> This needs someone to step in and provide a replacement, my preferred >> mechanism would be a /dev/gpiochip0/... hierarchy using char devices. > > I really like the ability to control GPIOs from shell, both interactively and > scripted. I find it useful for quick hardware level debugging, I would be happy to carry it in the unstable-ABI debugfs for sure. It's the supported ABI that bothers me. > and for boot > time scripting (mainly in initramfs). What is the usecase here? > Do you intend to preserve this > capability in the future? Will I need a special utility (or Busybox applet) to > do this with char device ioctl? It is ABI so we have to preserve it. But sometimes people come with new zuper-complex userspace usecases and want to add this or that crazy ABI to do stuff in userspace that the kernel can do better. And all that I intend to just NACK. Yours, Linus Walleij -- 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
