linux-kernel - Re: [PATCH] PCI: pciehp: Cleanup unused HP_SUPR

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Date:   Mon, 20 Apr 2020 12:09:13 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Ani Sinha <ani@...sinha.ca>
Cc:     linux-kernel@...r.kernel.org, ani@...rban.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Keith Busch <keith.busch@...el.com>,
        Frederick Lawler <fred@...dlawl.com>,
        Denis Efremov <efremov@...ux.com>,
        Lukas Wunner <lukas@...ner.de>, linux-pci@...r.kernel.org
Subject: Re: [PATCH] PCI: pciehp: Cleanup unused HP_SUPR_RM macro

On Sun, Apr 19, 2020 at 07:06:20PM +0530, Ani Sinha wrote:
> We do not use PCIE hotplug surprise (PCI_EXP_SLTCAP_HPS) bit anymore.
> Consequently HP_SUPR_RM() macro is not used in the kernel source anymore.
> Let's clean it up.
> 
> Signed-off-by: Ani Sinha <ani@...sinha.ca>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

BTW, there seem to be other macros like EMI() that is not used anymore
so maybe worth removing them as well.

> ---
>  drivers/pci/hotplug/pciehp.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
> index ae44f46..5747967 100644
> --- a/drivers/pci/hotplug/pciehp.h
> +++ b/drivers/pci/hotplug/pciehp.h
> @@ -148,7 +148,6 @@ struct controller {
>  #define MRL_SENS(ctrl)		((ctrl)->slot_cap & PCI_EXP_SLTCAP_MRLSP)
>  #define ATTN_LED(ctrl)		((ctrl)->slot_cap & PCI_EXP_SLTCAP_AIP)
>  #define PWR_LED(ctrl)		((ctrl)->slot_cap & PCI_EXP_SLTCAP_PIP)
> -#define HP_SUPR_RM(ctrl)	((ctrl)->slot_cap & PCI_EXP_SLTCAP_HPS)
>  #define EMI(ctrl)		((ctrl)->slot_cap & PCI_EXP_SLTCAP_EIP)
>  #define NO_CMD_CMPL(ctrl)	((ctrl)->slot_cap & PCI_EXP_SLTCAP_NCCS)
>  #define PSN(ctrl)		(((ctrl)->slot_cap & PCI_EXP_SLTCAP_PSN) >> 19)
> -- 
> 2.7.4