Re: [PATCH v6 2/4] irqchip/qeic: merge qeic init code from platforms to a common function

From: Marc Zyngier
Date: Fri Dec 16 2016 - 03:54:31 EST


On 16/12/16 08:43, Qiang Zhao wrote:
> On 16/12/16 04:33, Marc Zyngier <marc.zyngier@xxxxxxx> wrote:
>
>> -----Original Message-----
>> From: Marc Zyngier [mailto:marc.zyngier@xxxxxxx]
>> Sent: Friday, December 16, 2016 4:33 PM
>> To: Qiang Zhao <qiang.zhao@xxxxxxx>; oss@xxxxxxxxxxxx; tglx@xxxxxxxxxxxxx
>> Cc: jason@xxxxxxxxxxxxxx; Xiaobo Xie <xiaobo.xie@xxxxxxx>; linux-
>> kernel@xxxxxxxxxxxxxxx; linuxppc-dev@xxxxxxxxxxxxxxxx
>> Subject: Re: [PATCH v6 2/4] irqchip/qeic: merge qeic init code from platforms to
>> a common function
>>
>> On 28/09/16 04:25, Zhao Qiang wrote:
>>> The codes of qe_ic init from a variety of platforms are redundant,
>>> merge them to a common function and put it to irqchip/irq-qeic.c
>>>
>>> For non-p1021_mds mpc85xx_mds boards, use "qe_ic_init(np, 0,
>>> qe_ic_cascade_low_mpic, qe_ic_cascade_high_mpic);" instead of
>>> "qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);".
>>>
>>> qe_ic_cascade_muxed_mpic was used for boards has the same interrupt
>>> number for low interrupt and high interrupt, qe_ic_init has checked if
>>> "low interrupt == high interrupt"
>>>
>>> Signed-off-by: Zhao Qiang <qiang.zhao@xxxxxxx>
>>> ---
>>> Changes for v2:
>>> - modify subject and commit msg
>>> - add check for qeic by type
>>> Changes for v3:
>>> - na
>>> Changes for v4:
>>> - na
>>> Changes for v5:
>>> - na
>>> Changes for v6:
>>> - rebase
>>>
>>> arch/powerpc/platforms/83xx/misc.c | 15 ---------------
>>> arch/powerpc/platforms/85xx/corenet_generic.c | 9 ---------
>>> arch/powerpc/platforms/85xx/mpc85xx_mds.c | 14 --------------
>>> arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 16 ----------------
>>> arch/powerpc/platforms/85xx/twr_p102x.c | 14 --------------
>>> drivers/irqchip/irq-qeic.c | 16 ++++++++++++++++
>>> 6 files changed, 16 insertions(+), 68 deletions(-)
>>>
>>
>> [...]
>>
>>> --- a/drivers/irqchip/irq-qeic.c
>>> +++ b/drivers/irqchip/irq-qeic.c
>>> @@ -598,4 +598,20 @@ static int __init init_qe_ic_sysfs(void)
>>> return 0;
>>> }
>>>
>>> +static int __init qeic_of_init(void)
>>> +{
>>> + struct device_node *np;
>>> +
>>> + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
>>> + if (!np) {
>>> + np = of_find_node_by_type(NULL, "qeic");
>>> + if (!np)
>>> + return;
>>> + }
>>> + qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
>>> + qe_ic_cascade_high_mpic);
>>> + of_node_put(np);
>>> +}
>>
>> Have you actually compiled that code?
>
> Yes.

And the abundance of warnings that the compiler certainly spits doesn't
strike you as an issue that should be addressed before posting the patches?

Thanks,

M.
--
Jazz is not dead. It just smells funny...