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

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Message-ID: <45b9393b-bb29-4879-ee03-e4517b013e54@arm.com>
Date:   Fri, 16 Dec 2016 08:32:53 +0000
From:   Marc Zyngier <marc.zyngier@....com>
To:     Zhao Qiang <qiang.zhao@....com>, oss@...error.net,
        tglx@...utronix.de
Cc:     jason@...edaemon.net, xiaobo.xie@....com,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
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@....com>
> ---
> 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?

Thanks,

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