Messages in this thread | | | Date | Tue, 21 Aug 2012 15:24:51 +0200 | Subject | Re: [PATCHv4 1/1] [RFC] uartclk from serial_core exposed to sysfs | From | Tomas Hlavacek <> |
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Hello!
On Sun, Aug 19, 2012 at 8:34 PM, Tomas Hlavacek <tmshlvck@gmail.com> wrote: > Added file /sys/devices/.../tty/ttySX/uartclk to allow reading > uartclk value in struct uart_port in serial_core via sysfs. > > It simplifies initialization verification of no-name cards that > have non-standard oscillator speed while having no distinguishing > PCI IDs to allow autodetection. > > tty_register_device() has been generalized and refactored in order > to add support for setting drvdata and attribute_group to the device. >
I have updated the patch to a new v4 in order to remove the race in sysfs file creation and add sysfs file description to a Documentation directory. But still the patch creates the sysfs file separately for each serial TTY device by assigning attribute_groups to the struct device and not for the whole driver at once as Greg advised because I was unable to figure out how to do that (even though I tried pretty hard). Does it make sense like this? Or do you have any hint for a better way to do it, please?
Thanks, Tomas
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