On Tue, Feb 20, 2018 at 5:45 PM, Timur Tabi <timur@xxxxxxxxxxxxxx> wrote: > On 01/25/2018 07:13 PM, Stephen Boyd wrote: >> >> This patchset proposes a solution to describing the valid >> pins for a pin controller in a semi-generic way so that qcom >> platforms can expose the pins that are really available. >> >> Typically, this has been done by having drivers and firmware >> descriptions only use pins they know they have access to, and that >> still works now because we no longer read the pin direction at >> boot. But there are still some userspace drivers and debugfs facilities >> that don't know what pins are available and attempt to read everything >> they can. On qcom platforms, this may lead to a system hang, which isn't >> very nice behavior, even if root is the only user that can trigger it. > > Any progress on this patch set? Stephen no longer works for Qualcomm, so I > don't know what the next step is, and I really want this feature in 4.17 > (we've missed so many merge windows already). I depend on Bjorn as maintainer of the pin control driver to ACK the solution he likes. 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