Messages in this thread | | | Date | Mon, 20 Sep 2021 12:14:24 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH net v2 2/2] ptp: idt82p33: implement double dco time correction |
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On Mon, 20 Sep 2021 14:08:37 +0000 Min Li wrote: > > > We use this parameter to specify firmware so that module can be > > > autoloaded /etc/modprobe.d/modname.conf > > > > Sorry, I don't understand. The firmware is in /lib/firmware. > > Previously you used a card coded name (whatever FW_FILENAME is, > > "idt82p33xxx.bin"?). This patch adds the ability to change the firmware file > > name by a module param. > > > > Now let me repeat the question - what's the point of user changing the > > requested firmware name if they can simply rename the file? > > We have different firmware named after different 1588 profiles. If we > rename firmware, it would make every profile look same and > confusing.
You can use symlinks to "choose" which FW will be loaded by the kernel:
ls -sn $real_fw_filename $FW_FILENAME
> On the other hand, with this module parameter, we can have > phc module auto start with correct firmware.
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