Messages in this thread | | | Subject | Re: [PATCH v2 0/3] Support qcom pinctrl protected pins | From | Timur Tabi <> | Date | Tue, 20 Feb 2018 10:45:03 -0600 |
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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).
-- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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