linux-pci.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Oliver O'Halloran" <oohall@gmail.com>
To: efremov@linux.com
Cc: sathyanarayanan kuppuswamy 
	<sathyanarayanan.kuppuswamy@linux.intel.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Lukas Wunner <lukas@wunner.de>,
	linux-pci@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 1/4] PCI: pciehp: Add pciehp_set_indicators() to jointly set LED indicators
Date: Wed, 28 Aug 2019 09:24:51 +1000	[thread overview]
Message-ID: <CAOSf1CH7KHmViRQUYBvEtTQz0vMV5oE4SXOHp_E_a69Xew90gw@mail.gmail.com> (raw)
In-Reply-To: <9cbb34b0-d6be-fbba-9992-9b6939018e5d@linux.com>

On Tue, Aug 20, 2019 at 2:17 AM Denis Efremov <efremov@linux.com> wrote:
>
> Hi,
>
> On 8/19/19 7:06 PM, Denis Efremov wrote:
> On 8/12/19 11:25 AM, sathyanarayanan kuppuswamy wrote:
> > Do we need to switch case here ? if (pwr > 0) {} should work right ?
>
> I saved the switch here from v2. I think switch makes the inputs check more
> precise and filters-out all non-valid values. Maybe this check is too strict?

Sounds like you're overthinking it tbh. If want to catch programming
errors then a WARN_ON_ONCE() in the default case would be better than
silently ignoring invalid values, but it's pretty hard to care.

> We could use mask here ON|OFF|BLINK for the check, but I don't know how hardware
> will handle a case, for example, pwr == ON|BLINK.

ON|BLINK is the same as OFF

  reply	other threads:[~2019-08-27 23:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 16:06 [PATCH v3 0/4] Simplify PCIe hotplug indicator control Denis Efremov
2019-08-19 16:06 ` [PATCH v3 1/4] PCI: pciehp: Add pciehp_set_indicators() to jointly set LED indicators Denis Efremov
2019-08-19 16:16   ` Denis Efremov
2019-08-27 23:24     ` Oliver O'Halloran [this message]
2019-08-21 23:58   ` Kuppuswamy Sathyanarayanan
2019-08-27 23:41   ` Oliver O'Halloran
2019-08-19 16:06 ` [PATCH v3 2/4] PCI: pciehp: Switch LED indicators with a single write Denis Efremov
2019-08-27 22:36   ` Kuppuswamy Sathyanarayanan
2019-08-19 16:06 ` [PATCH v3 3/4] PCI: pciehp: Remove pciehp_set_attention_status() Denis Efremov
2019-08-27 22:47   ` Kuppuswamy Sathyanarayanan
2019-08-19 16:06 ` [PATCH v3 4/4] PCI: pciehp: Remove pciehp_green_led_{on,off,blink}() Denis Efremov
2019-08-27 22:49   ` Kuppuswamy Sathyanarayanan
2019-08-27 23:49   ` Oliver O'Halloran
2019-08-20 12:16 ` [PATCH v3 0/4] Simplify PCIe hotplug indicator control Denis Efremov
2019-08-27 22:32   ` Bjorn Helgaas
2019-08-27 22:50     ` Kuppuswamy Sathyanarayanan
2019-08-27 22:53     ` Bjorn Helgaas
2019-08-28  3:33       ` Lukas Wunner

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=CAOSf1CH7KHmViRQUYBvEtTQz0vMV5oE4SXOHp_E_a69Xew90gw@mail.gmail.com \
    --to=oohall@gmail.com \
    --cc=bhelgaas@google.com \
    --cc=efremov@linux.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lukas@wunner.de \
    --cc=sathyanarayanan.kuppuswamy@linux.intel.com \
    /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).