From 9899ffcfd35120f7a4aa1d401b85653e56b775b0 Mon Sep 17 00:00:00 2001 From: Stijn Segers Date: Thu, 15 Mar 2018 22:00:08 +0100 Subject: kernel: bump 4.14 to 4.14.27 * Refreshed patches. * Deleted 812-pci-dwc-fix-enumeration.patch (was accepted upstream) Compile-tested: ramips/mt7621, x86/64 Run-tested: ramips/mt7621, x86/64 Signed-off-by: Stijn Segers --- .../pending-4.14/812-pci-dwc-fix-enumeration.patch | 60 ---------------------- 1 file changed, 60 deletions(-) delete mode 100644 target/linux/generic/pending-4.14/812-pci-dwc-fix-enumeration.patch (limited to 'target/linux/generic/pending-4.14/812-pci-dwc-fix-enumeration.patch') diff --git a/target/linux/generic/pending-4.14/812-pci-dwc-fix-enumeration.patch b/target/linux/generic/pending-4.14/812-pci-dwc-fix-enumeration.patch deleted file mode 100644 index f829631831..0000000000 --- a/target/linux/generic/pending-4.14/812-pci-dwc-fix-enumeration.patch +++ /dev/null @@ -1,60 +0,0 @@ -From patchwork Tue Jan 9 14:42:21 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: PCI: dwc: fix enumeration end when reaching root subordinate -From: Koen Vandeputte -X-Patchwork-Id: 10152443 -Message-Id: <1515508941-20055-1-git-send-email-koen.vandeputte@ncentric.com> -To: linux-pci@vger.kernel.org -Cc: bhelgaas@google.com, lorenzo.pieralisi@arm.com, - Joao.Pinto@synopsys.com, jingoohan1@gmail.com, niklas.cassel@axis.com, - Koen Vandeputte , - Mika Westerberg -Date: Tue, 9 Jan 2018 15:42:21 +0100 - -The subordinate value indicates the highest bus number which can be -reached downstream though a certain device. - -Commit a20c7f36bd3d ("PCI: Do not allocate more buses than available in -parent") -ensures that downstream devices cannot assign busnumbers higher than the -upstream device subordinate number, which was indeed illogical. - -By default, dw_pcie_setup_rc() inits the Root Complex subordinate to a -value of 0x01. - -Due to this combined with above commit, enumeration stops digging deeper -downstream as soon as bus num 0x01 has been assigned, which is always -the case for a bridge device. - -This results in all devices behind a bridge bus to remain undetected, as -these would be connected to bus 0x02 or higher. - -Fix this by initializing the RC to a subordinate value of 0xff, meaning -that all busses [0x00-0xff] are reachable through this RC. - -Fixes: a20c7f36bd3d ("PCI: Do not allocate more buses than available in -parent") -Signed-off-by: Koen Vandeputte -Tested-by: Niklas Cassel -Cc: Mika Westerberg ---- - -Will send separate patches to stable as this file got moved/renamed - - - drivers/pci/dwc/pcie-designware-host.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/pci/dwc/pcie-designware-host.c -+++ b/drivers/pci/dwc/pcie-designware-host.c -@@ -607,7 +607,7 @@ void dw_pcie_setup_rc(struct pcie_port * - /* setup bus numbers */ - val = dw_pcie_readl_dbi(pci, PCI_PRIMARY_BUS); - val &= 0xff000000; -- val |= 0x00010100; -+ val |= 0x00ff0100; - dw_pcie_writel_dbi(pci, PCI_PRIMARY_BUS, val); - - /* setup command register */ -- cgit v1.2.3