Re: [PATCH] dt: remove of_alias_get_id() reference

From: Grant Likely
Date: Thu Aug 04 2011 - 07:43:15 EST


On Thu, Aug 4, 2011 at 11:33 AM, Felipe Balbi <balbi@xxxxxx> wrote:
> On Thu, Aug 04, 2011 at 11:30:27AM +0100, Grant Likely wrote:
>> of_alias_get_id() is broken and being reverted.  Remove the reference
>> to it and replace with a single incrementing id number.
>>
>> There is no risk of regression here on the imx driver since the imx
>> change to use of_alias_get_id() is commit 22698aa2, "serial/imx: add
>> device tree probe support" which is new for v3.1, and it won't get
>> used unless CONFIG_OF is enabled and the board is booted using a
>> device tree.  A single incrementing integer is sufficient for now.
>>
>> Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
>> Acked-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
>> ---
>>
>> I'm about to ask Linus to pull this patch through the devicetree/merge
>> branch along with the of_alias revert.
>>
>>  drivers/tty/serial/imx.c |   13 ++++---------
>>  1 files changed, 4 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
>> index 827db76..7e91b3d 100644
>> --- a/drivers/tty/serial/imx.c
>> +++ b/drivers/tty/serial/imx.c
>> @@ -1286,22 +1286,17 @@ static int serial_imx_resume(struct platform_device *dev)
>>  static int serial_imx_probe_dt(struct imx_port *sport,
>>               struct platform_device *pdev)
>>  {
>> +     static int portnum = 0;
>
> would it be better to use an IDR here ?

Hmmm, I've not looked at idr before. Yes, it would probably be the
right thing to do. This patch is needed to fix a build failure, but
when it is reworked for v3.2 I think idr should be considered.
Thanks!

g.
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