linux-kernel - Re: [PATCH AUTOSEL 4.14 3/5] PCI: Make quirk using inw() depend on HAS

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Date:   Mon, 11 Sep 2023 11:55:42 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        Arnd Bergmann <arnd@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 4.14 3/5] PCI: Make quirk using inw() depend on
 HAS_IOPORT

Hi!

> From: Niklas Schnelle <schnelle@...ux.ibm.com>
> 
> [ Upstream commit f768c75d61582b011962f9dcb9ff8eafb8da0383 ]
> 
> In the future inw() and friends will not be compiled on architectures
> without I/O port support.

Yeah, in future. Not in stable. Please drop.

BR,
								Pavel

> +++ b/drivers/pci/quirks.c
> @@ -102,6 +102,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_1,	quirk_isa_d
>  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_2,	quirk_isa_dma_hangs);
>  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_3,	quirk_isa_dma_hangs);
>  
> +#ifdef CONFIG_HAS_IOPORT
>  /*
>   * Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear
>   * for some HT machines to use C4 w/o hanging.
> @@ -121,6 +122,7 @@ static void quirk_tigerpoint_bm_sts(struct pci_dev *dev)
>  	}
>  }
>  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGP_LPC, quirk_tigerpoint_bm_sts);
> +#endif
>  
>  /*
>   *	Chipsets where PCI->PCI transfers vanish or hang

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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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