linux-kernel - Re: [PATCH v2 4/4] PCI: pciehp: Replace pciehp_green_led

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Message-ID: <20190812221212.GF7302@google.com>
Date:   Mon, 12 Aug 2019 17:12:12 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Denis Efremov <efremov@...ux.com>
Cc:     Lukas Wunner <lukas@...ner.de>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] PCI: pciehp: Replace
 pciehp_green_led_{on,off,blink}()

On Tue, Aug 13, 2019 at 12:14:08AM +0300, Denis Efremov wrote:
> > You must have a reason, but why didn't you completely remove
> > pciehp_green_led_on(), etc, and change the callers to use
> > pciehp_set_indicators() instead?
> 
> Well, I don't have the exact reason here. I thought that it would be nice to preserve
> an existing interface and to hide some implementation details (e.g., status of the
> second indicator). I could completely remove pciehp_green_led_{on,off,blink}() and
> pciehp_set_attention_status() in v3 if you prefer.

I might be missing something, but I do think I would prefer to
completely remove pciehp_green_led_{on,off,blink}() and
pciehp_set_attention_status().  Then we'd have exactly one interface
to change indicator state.