From: Denis Efremov <efremov@linux.com>
To: sathyanarayanan kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Lukas Wunner <lukas@wunner.de>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/4] PCI: pciehp: Add pciehp_set_indicators() to jointly set LED indicators
Date: Mon, 19 Aug 2019 19:16:53 +0300 [thread overview]
Message-ID: <9cbb34b0-d6be-fbba-9992-9b6939018e5d@linux.com> (raw)
In-Reply-To: <20190819160643.27998-2-efremov@linux.com>
Hi,
On 8/19/19 7:06 PM, Denis Efremov wrote:
> + switch (pwr) {
> + case PCI_EXP_SLTCTL_PWR_IND_ON:
> + case PCI_EXP_SLTCTL_PWR_IND_BLINK:
> + case PCI_EXP_SLTCTL_PWR_IND_OFF:
> + cmd |= pwr;
> + mask |= PCI_EXP_SLTCTL_PIC;
> + }
> +
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?
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.
Thanks,
Denis
next prev parent reply other threads:[~2019-08-19 16:16 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 [this message]
2019-08-27 23:24 ` Oliver O'Halloran
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
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