From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from casper.infradead.org ([85.118.1.10]:53116 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753655Ab2G2Vtu (ORCPT ); Sun, 29 Jul 2012 17:49:50 -0400 Message-ID: <1343598582.15288.4.camel@shinybook.infradead.org> Subject: [PATCH] Fix priority of non-BAR ROM data From: David Woodhouse To: Matthew Garrett Cc: matt.fleming@intel.com, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, linux-pci@vger.kernel.org, bhelgaas@google.com Date: Sun, 29 Jul 2012 22:49:42 +0100 In-Reply-To: <1343407934-459-3-git-send-email-mjg@redhat.com> References: <1343407934-459-1-git-send-email-mjg@redhat.com> <1343407934-459-3-git-send-email-mjg@redhat.com> Content-Type: multipart/signed; micalg="sha1"; protocol="application/x-pkcs7-signature"; boundary="=-G6StpCtTT395t1xPtXju" Mime-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org List-ID: --=-G6StpCtTT395t1xPtXju Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable If we've obtained the ROM data through other means (such as from EFI), we don't want to ignore it just because the IORESOURCE_ROM_SHADOW bit has got set. This fixes the Radeon ROM handling on my MacBookPro8,3 when booted via grub1-efi. Signed-off-by: David Woodhouse --- This fixes patch 3/4 'PCI: Add support for non-BAR ROMs' for me. drivers/pci/rom.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index 7ebaab6..4d437b5 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -118,6 +118,13 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t= *size) void __iomem *rom; =20 /* + * Some devices may provide ROMs via a source other than the BAR + */ + if (pdev->rom && pdev->romlen) { + *size =3D pdev->romlen; + return phys_to_virt(pdev->rom); + } + /* * IORESOURCE_ROM_SHADOW set on x86, x86_64 and IA64 supports legacy * memory map if the VGA enable bit of the Bridge Control register is * set for embedded VGA. @@ -126,12 +133,6 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t= *size) /* primary video rom always starts here */ start =3D (loff_t)0xC0000; *size =3D 0x20000; /* cover C000:0 through E000:0 */ - /* - * Some devices may provide ROMs via a source other than the BAR - */ - } else if (pdev->rom && pdev->romlen) { - *size =3D pdev->romlen; - return phys_to_virt(pdev->rom); } else { if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) { --=20 1.7.11.2 --=20 dwmw2 --=-G6StpCtTT395t1xPtXju Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIUbjCCBjQw ggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0 Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxKTAn BgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3MTAyNDIxMDE1NVoX DTE3MTAyNDIxMDE1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSsw KQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYDVQQDEy9TdGFy dENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENsaWVudCBDQTCCASIwDQYJKoZIhvcN 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