linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Fenglin Wu <quic_fenglinw@quicinc.com>
To: Stephen Boyd <sboyd@kernel.org>, <linux-arm-msm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Cc: <collinsd@codeaurora.org>, <subbaram@codeaurora.org>,
	Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Subject: Re: [RESEND PATCH v1 1/9] spmi: pmic-arb: add a print in cleanup_irq
Date: Fri, 15 Oct 2021 09:27:55 +0800	[thread overview]
Message-ID: <83fa65c8-3442-ee26-22ed-e26b013cca14@quicinc.com> (raw)
In-Reply-To: <163426014715.936959.6136985763712059359@swboyd.mtv.corp.google.com>


On 10/15/2021 9:09 AM, Stephen Boyd wrote:
> Quoting Fenglin Wu (2021-10-13 19:26:55)
>> On 10/14/2021 3:35 AM, Stephen Boyd wrote:
>>> Quoting Fenglin Wu (2021-10-12 21:15:42)
>>>> On 10/13/2021 1:46 AM, Stephen Boyd wrote:
>>>>> Quoting Fenglin Wu (2021-09-16 23:32:56)
>>>>>> From: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
>>>>>>
>>>>>> The cleanup_irq() was meant to clear and mask interrupts that were
>>>>>> left enabled in the hardware but there was no interrupt handler
>>>>>> registered for it. Add an error print when it gets invoked.
>>>>> Why? Don't we get the genirq spurious irq message in this scenario?
>>>> Thanks for reviewing the change.
>>>>
>>>> No, there is no existing message printed out in this special case ( IRQ
>>>> fired for not registered interrupt).
>>> Ah I see so the irq doesn't have a flow handler? Shouldn't you call
>>> handle_bad_irq() in this case so we get a irq descriptor print?
>> In such case, the irq number is not valid and there won't be a valid
>> irq_desc, hence it's not possible to call handle_bad_irq() here.
> I mean handle_bad_irq() on the irqdesc for the spmi pmic arb chained
> irq. Because things are not good with the chained irq.
Okay, how about this, Update periph_interrupt() function with a return
value, and return -EINVAL once an invalid IRQ is detected. In
pmic_arb_chained_irq(), call handle_bad_irq() if periph_interrupt()
returned -EINVAL.

  reply	other threads:[~2021-10-15  1:28 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17  6:32 [RESEND PATCH v1 0/9] A bunch of fix and optimization patches in spmi-pmic-arb.c Fenglin Wu
2021-09-17  6:32 ` [RESEND PATCH v1 1/9] spmi: pmic-arb: add a print in cleanup_irq Fenglin Wu
2021-10-12 17:46   ` Stephen Boyd
2021-10-13  4:15     ` Fenglin Wu
2021-10-13 19:35       ` Stephen Boyd
2021-10-14  2:26         ` Fenglin Wu
2021-10-15  1:09           ` Stephen Boyd
2021-10-15  1:27             ` Fenglin Wu [this message]
2021-10-18  0:16               ` Fenglin Wu
2021-09-17  6:32 ` [RESEND PATCH v1 2/9] spmi: pmic-arb: do not ack and clear peripheral interrupts " Fenglin Wu
2021-09-17  6:32 ` [RESEND PATCH v1 3/9] spmi: pmic-arb: check apid against limits before calling irq handler Fenglin Wu
2021-10-12 18:02   ` Stephen Boyd
2021-10-13  5:31     ` Fenglin Wu
2021-10-13 19:25       ` Stephen Boyd
2021-10-14  3:11         ` Fenglin Wu
2021-10-15  1:15           ` Stephen Boyd
2021-10-15  1:54             ` Fenglin Wu
2021-09-17  6:32 ` [RESEND PATCH v1 4/9] spmi: pmic-arb: add support to dispatch interrupt based on IRQ status Fenglin Wu
2021-09-17  6:33 ` [RESEND PATCH v1 5/9] spmi: pmic-arb: correct duplicate APID to PPID mapping logic Fenglin Wu
2021-10-12 17:44   ` Stephen Boyd
2021-10-13  5:37     ` Fenglin Wu
2021-09-17  6:33 ` [RESEND PATCH v1 6/9] spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes Fenglin Wu
2021-09-17  6:33 ` [RESEND PATCH v1 7/9] spmi: pmic-arb: support updating interrupt type flags Fenglin Wu
2021-10-12 17:42   ` Stephen Boyd
2021-10-13  6:27     ` Fenglin Wu
2021-10-13 19:37       ` Stephen Boyd
2021-10-14  3:17         ` Fenglin Wu
2021-09-17  6:33 ` [RESEND PATCH v1 8/9] spmi: pmic-arb: make interrupt support optional Fenglin Wu
2021-10-12 17:41   ` Stephen Boyd
2021-10-13  8:36     ` Fenglin Wu
2021-10-13 19:38       ` Stephen Boyd
2021-10-14  3:20         ` Fenglin Wu
2021-10-15  1:17           ` Stephen Boyd
2021-10-15  1:30             ` Fenglin Wu
2021-09-17  6:33 ` [RESEND PATCH v1 9/9] spmi: pmic-arb: increase SPMI transaction timeout delay Fenglin Wu
  -- strict thread matches above, loose matches on Subject: below --
2021-09-01  8:18 [RESEND PATCH v1 0/9] A bunch of fix and optimization patches in spmi-pmic-arb.c Fenglin Wu
2021-09-01  8:18 ` [RESEND PATCH v1 1/9] spmi: pmic-arb: add a print in cleanup_irq Fenglin Wu

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=83fa65c8-3442-ee26-22ed-e26b013cca14@quicinc.com \
    --to=quic_fenglinw@quicinc.com \
    --cc=adharmap@codeaurora.org \
    --cc=collinsd@codeaurora.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sboyd@kernel.org \
    --cc=subbaram@codeaurora.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).