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SubjectRe: [PATCH v2 1/4] of_serial: add support for setup quirks
On Monday 09 April 2012, Dan Williams wrote:
> Benign conversion of of_serial.c to offer the option of 'setup' quirks
> similar to how 8250_pci.c houses the pci-serial-device quirks.
> A setup quirk allows custom uart_port ops to specified in the
> of_serial_info data fed to each serial of_device_id.
> Tegra's 'break' quirk is the target consumer.
> Cc: Colin Cross <>
> Cc: Olof Johansson <>
> Cc: Stephen Warren <>
> Cc: Arnd Bergmann <>
> Cc: Grant Likely <>
> Signed-off-by: Dan Williams <>
> ---
> drivers/tty/serial/of_serial.c | 68 ++++++++++++++++++++++++++++------------
> 1 files changed, 47 insertions(+), 21 deletions(-)

I don't think this is a good idea. Aside from the bug that you introduce
(you can no longer have multiple ports of the same type because of overwrite
the static info->line number), it seems an unnecessary complication.
Either just add the quirk to the of_serial file based on the compatible value,
or do a trivial new driver that has a subset of the existing one you need,
plus the quirk.


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