Messages in this thread | | | Date | Wed, 11 Oct 2023 10:58:29 +0200 | From | Miquel Raynal <> | Subject | Re: [PATCH v12 7/7] nvmem: core: Expose cells through sysfs |
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Hi Srinivas,
srinivas.kandagatla@linaro.org wrote on Wed, 11 Oct 2023 09:45:11 +0100:
> On 11/10/2023 09:33, Miquel Raynal wrote: > > Hi Srinivas, > > > > srinivas.kandagatla@linaro.org wrote on Wed, 11 Oct 2023 09:27:20 +0100: > > > >> On 11/10/2023 08:15, Miquel Raynal wrote: > >>>>> + > >>>>> + nvmem_cells_group.bin_attrs = cells_attrs; > >>>>> + > >>>>> + ret = devm_device_add_groups(&nvmem->dev, nvmem_cells_groups); > >>>>> + if (ret) > >>>>> + goto unlock_mutex; > >>>> This is going to create groups after the nvmem device is added, isn't this going to be problem with user space notifications? > >>> Greg said it was not. I hope I understood correctly 😄 > >>> > >>> And anyway, cells have never been available to userspace, so there is > >>> nothing userspace might expect yet? > >> I agree, but once we add sysfs uapi then this is going to change. > > > > Can you elaborate? I'm not sure I follow you here. Is there still a > > problem you fear or you think it's okay? > > > Now that we add cells to sysfs. > AFAIU, By the time the userspace sees the udev event from this device we might not have cells populated.
Yes, but why would this be a problem?
Thanks, Miquèl
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