[PATCH v3] clkdev: Update clkdev id usage to allow for longer names
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Mon Feb 26 07:12:31 PST 2024
On Fri, Feb 23, 2024 at 03:25:56PM -0500, Michael J. Ruhl wrote:
> clkdev DEV ID information is limited to an array of 20 bytes
> (MAX_DEV_ID). It is possible that the ID could be longer than
> that. If so, the lookup will fail because the "real ID" will
> not match the copied value.
>
> For instance, generating a device name for the I2C Designware
> module using the PCI ID can result in a name of:
>
> i2c_designware.39424
>
> clkdev_create() will store:
>
> i2c_designware.3942
>
> The stored name is one off and will not match correctly during probe.
>
> Increase the size of the ID to allow for a longer name.
Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
--
With Best Regards,
Andy Shevchenko
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