From: Scott Wood <scottwood@freescale.com>
To: Zhao Qiang <B45475@freescale.com>
Cc: B07421@freescale.com, R63061@freescale.com,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] qe: run qe_init and qe_ic_init
Date: Fri, 10 Oct 2014 12:34:52 -0500 [thread overview]
Message-ID: <1412962492.13320.587.camel@snotra.buserror.net> (raw)
In-Reply-To: <1412923725-9611-1-git-send-email-B45475@freescale.com>
On Fri, 2014-10-10 at 14:48 +0800, Zhao Qiang wrote:
> qe and qe_ic need to be initialized before the
> qe app drivers, using subsys_initcall to run
> qe_init and qe_ic_init
>
> Signed-off-by: Zhao Qiang <B45475@freescale.com>
> ---
> drivers/soc/qe/qe.c | 15 +++++++++++++++
> drivers/soc/qe/qe_ic.c | 15 +++++++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/drivers/soc/qe/qe.c b/drivers/soc/qe/qe.c
> index 2aaa5b2..bfea0f8 100644
> --- a/drivers/soc/qe/qe.c
> +++ b/drivers/soc/qe/qe.c
> @@ -683,6 +683,21 @@ unsigned int qe_get_num_of_snums(void)
> }
> EXPORT_SYMBOL(qe_get_num_of_snums);
>
> +static int __init qe_init(void)
> +{
> + struct device_node *np;
> +
> + np = of_find_compatible_node(NULL, NULL, "fsl,qe");
> + if (!np) {
> + pr_err("%s: Could not find Quicc Engine node\n", __func__);
> + return -ENODEV;
> + }
> + qe_reset();
> + of_node_put(np);
> + return 0;
> +}
> +subsys_initcall(qe_init);
It is not an error to enable QE support on hardware that doesn't have
QE. Please remove the pr_err().
> +
> #if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx)
> static int qe_resume(struct platform_device *ofdev)
> {
> diff --git a/drivers/soc/qe/qe_ic.c b/drivers/soc/qe/qe_ic.c
> index cc1b8d5..11fe98c 100644
> --- a/drivers/soc/qe/qe_ic.c
> +++ b/drivers/soc/qe/qe_ic.c
> @@ -34,6 +34,7 @@
> #include <linux/fsl/qe_ic.h>
>
> #include "qe_ic.h"
> +#include "../../irqchip/irqchip.h"
What do you need from here, and can it be moved to include/linux/...?
The only thing I see defined in irqchip.h is IRQCHIP_DECLARE, and you
don't use that in this patch...
-Scott
> static DEFINE_RAW_SPINLOCK(qe_ic_lock);
>
> @@ -501,4 +502,18 @@ 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) {
> + qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
> + qe_ic_cascade_high_mpic);
> + of_node_put(np);
> + }
> + return 0;
> +}
> +subsys_initcall(qeic_of_init);
> +
> subsys_initcall(init_qe_ic_sysfs);
next prev parent reply other threads:[~2014-10-10 17:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-10 6:48 [PATCH 2/3] qe: run qe_init and qe_ic_init Zhao Qiang
2014-10-10 17:34 ` Scott Wood [this message]
2014-10-11 6:22 ` qiang.zhao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1412962492.13320.587.camel@snotra.buserror.net \
--to=scottwood@freescale.com \
--cc=B07421@freescale.com \
--cc=B45475@freescale.com \
--cc=R63061@freescale.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).