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From: sathyanarayanan kuppuswamy  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Denis Efremov <efremov@linux.com>, Bjorn Helgaas <bhelgaas@google.com>
Cc: Lukas Wunner <lukas@wunner.de>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/4] PCI: pciehp: Replace pciehp_set_attention_status()
Date: Mon, 12 Aug 2019 11:28:30 -0700	[thread overview]
Message-ID: <50d00be6-c904-af0c-2704-389965aae666@linux.intel.com> (raw)
In-Reply-To: <20190811195944.23765-4-efremov@linux.com>

Hi,

On 8/11/19 12:59 PM, Denis Efremov wrote:
> This patch replaces pciehp_set_attention_status() with
> pciehp_set_indicators().
>
> Signed-off-by: Denis Efremov <efremov@linux.com>
Reviewed-by: Kuppuswamy Sathyanarayanan 
<sathyanarayanan.kuppuswamy@linux.intel.com>
> ---
>   drivers/pci/hotplug/pciehp.h     |  4 +++-
>   drivers/pci/hotplug/pciehp_hpc.c | 25 -------------------------
>   2 files changed, 3 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
> index 17305a6f01f1..9a2a2d0db9d2 100644
> --- a/drivers/pci/hotplug/pciehp.h
> +++ b/drivers/pci/hotplug/pciehp.h
> @@ -181,7 +181,6 @@ void pciehp_get_power_status(struct controller *ctrl, u8 *status);
>   void pciehp_set_indicators(struct controller *ctrl,
>   			   enum pciehp_indicator pwr,
>   			   enum pciehp_indicator attn);
> -void pciehp_set_attention_status(struct controller *ctrl, u8 status);
>   void pciehp_get_latch_status(struct controller *ctrl, u8 *status);
>   int pciehp_query_power_fault(struct controller *ctrl);
>   void pciehp_green_led_on(struct controller *ctrl);
> @@ -200,6 +199,9 @@ int pciehp_get_attention_status(struct hotplug_slot *hotplug_slot, u8 *status);
>   int pciehp_set_raw_indicator_status(struct hotplug_slot *h_slot, u8 status);
>   int pciehp_get_raw_indicator_status(struct hotplug_slot *h_slot, u8 *status);
>   
> +#define pciehp_set_attention_status(ctrl, status) \
> +	pciehp_set_indicators(ctrl, PWR_NONE, (status == 0 ? ATTN_OFF : status))
> +
>   static inline const char *slot_name(struct controller *ctrl)
>   {
>   	return hotplug_slot_name(&ctrl->hotplug_slot);
> diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
> index 68b880bc30db..fb4bea16063a 100644
> --- a/drivers/pci/hotplug/pciehp_hpc.c
> +++ b/drivers/pci/hotplug/pciehp_hpc.c
> @@ -418,31 +418,6 @@ int pciehp_set_raw_indicator_status(struct hotplug_slot *hotplug_slot,
>   	return 0;
>   }
>   
> -void pciehp_set_attention_status(struct controller *ctrl, u8 value)
> -{
> -	u16 slot_cmd;
> -
> -	if (!ATTN_LED(ctrl))
> -		return;
> -
> -	switch (value) {
> -	case 0:		/* turn off */
> -		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_OFF;
> -		break;
> -	case 1:		/* turn on */
> -		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_ON;
> -		break;
> -	case 2:		/* turn blink */
> -		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_BLINK;
> -		break;
> -	default:
> -		return;
> -	}
> -	pcie_write_cmd_nowait(ctrl, slot_cmd, PCI_EXP_SLTCTL_AIC);
> -	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
> -		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
> -}
> -
>   void pciehp_set_indicators(struct controller *ctrl,
>   			   enum pciehp_indicator pwr,
>   			   enum pciehp_indicator attn)

-- 
Sathyanarayanan Kuppuswamy
Linux kernel developer


  parent reply	other threads:[~2019-08-12 18:31 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-11 19:59 [PATCH v2 0/4] Simplify PCIe hotplug indicator control Denis Efremov
2019-08-11 19:59 ` [PATCH v2 1/4] PCI: pciehp: Add pciehp_set_indicators() to jointly set LED indicators Denis Efremov
2019-08-12  6:30   ` Lukas Wunner
2019-08-12 18:25   ` sathyanarayanan kuppuswamy
2019-08-12 18:49     ` sathyanarayanan kuppuswamy
2019-08-12 20:40       ` Lukas Wunner
2019-08-12 21:03         ` sathyanarayanan kuppuswamy
2019-08-12 20:03   ` Bjorn Helgaas
2019-08-11 19:59 ` [PATCH v2 2/4] PCI: pciehp: Switch LED indicators with a single write Denis Efremov
2019-08-12 18:27   ` sathyanarayanan kuppuswamy
2019-08-11 19:59 ` [PATCH v2 3/4] PCI: pciehp: Replace pciehp_set_attention_status() Denis Efremov
2019-08-12  6:32   ` Lukas Wunner
2019-08-12 18:28   ` sathyanarayanan kuppuswamy [this message]
2019-08-11 19:59 ` [PATCH v2 4/4] PCI: pciehp: Replace pciehp_green_led_{on,off,blink}() Denis Efremov
2019-08-12 18:45   ` sathyanarayanan kuppuswamy
2019-08-12 20:03   ` Bjorn Helgaas
2019-08-12 21:14     ` Denis Efremov
2019-08-12 22:12       ` Bjorn Helgaas
2019-08-12 20:02 ` [PATCH v2 0/4] Simplify PCIe hotplug indicator control Bjorn Helgaas

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