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authorIngo Molnar <mingo@kernel.org>2017-11-07 10:51:10 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-07 10:51:10 +0100
commit141d3b1daacd11bdbd6fa74c2b163093e10d17ee (patch)
tree04c98496f16ad2fe34c0cf4f31fedf4fe558c017 /drivers/pci
parentx86/vector/msi: Select CONFIG_GENERIC_IRQ_RESERVATION_MODE (diff)
parentMerge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq (diff)
downloadlinux-dev-141d3b1daacd11bdbd6fa74c2b163093e10d17ee.tar.xz
linux-dev-141d3b1daacd11bdbd6fa74c2b163093e10d17ee.zip
Merge branch 'linus' into x86/apic, to resolve conflicts
Conflicts: arch/x86/include/asm/x2apic.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/Makefile1
-rw-r--r--drivers/pci/dwc/Makefile1
-rw-r--r--drivers/pci/host/Makefile1
-rw-r--r--drivers/pci/host/pci-aardvark.c2
-rw-r--r--drivers/pci/host/pci-ftpci100.c1
-rw-r--r--drivers/pci/host/pci-tegra.c22
-rw-r--r--drivers/pci/host/pcie-tango.c1
-rw-r--r--drivers/pci/hotplug/Makefile1
-rw-r--r--drivers/pci/htirq.c1
-rw-r--r--drivers/pci/irq.c1
-rw-r--r--drivers/pci/pci-label.c1
-rw-r--r--drivers/pci/pci-sysfs.c1
-rw-r--r--drivers/pci/pci.h1
-rw-r--r--drivers/pci/pcie/Makefile1
-rw-r--r--drivers/pci/pcie/aer/Makefile1
-rw-r--r--drivers/pci/pcie/aer/aerdrv.h1
-rw-r--r--drivers/pci/pcie/aer/aerdrv_acpi.c1
-rw-r--r--drivers/pci/pcie/aspm.c1
-rw-r--r--drivers/pci/pcie/portdrv.h1
-rw-r--r--drivers/pci/pcie/portdrv_core.c1
-rw-r--r--drivers/pci/pcie/portdrv_pci.c1
-rw-r--r--drivers/pci/proc.c1
-rw-r--r--drivers/pci/quirks.c1
-rw-r--r--drivers/pci/setup-res.c1
-rw-r--r--drivers/pci/syscall.c1
25 files changed, 31 insertions, 16 deletions
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 66a21acad952..80adbdbcecce 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the PCI bus specific drivers.
#
diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile
index c61be9738cce..e73661182da0 100644
--- a/drivers/pci/dwc/Makefile
+++ b/drivers/pci/dwc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_PCIE_DW) += pcie-designware.o
obj-$(CONFIG_PCIE_DW_HOST) += pcie-designware-host.o
obj-$(CONFIG_PCIE_DW_EP) += pcie-designware-ep.o
diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
index 12382785e02a..95f5b80ca52a 100644
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_PCI_FTPCI100) += pci-ftpci100.o
obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o
obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
index 89f4e3d072d7..26ed0c08f209 100644
--- a/drivers/pci/host/pci-aardvark.c
+++ b/drivers/pci/host/pci-aardvark.c
@@ -935,6 +935,8 @@ static int advk_pcie_probe(struct platform_device *pdev)
bridge->sysdata = pcie;
bridge->busnr = 0;
bridge->ops = &advk_pcie_ops;
+ bridge->map_irq = of_irq_parse_and_map_pci;
+ bridge->swizzle_irq = pci_common_swizzle;
ret = pci_scan_root_bus_bridge(bridge);
if (ret < 0) {
diff --git a/drivers/pci/host/pci-ftpci100.c b/drivers/pci/host/pci-ftpci100.c
index 96028f01bc90..4ea7d2ebcc5c 100644
--- a/drivers/pci/host/pci-ftpci100.c
+++ b/drivers/pci/host/pci-ftpci100.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for Faraday Technology FTPC100 PCI Controller
*
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 9c40da54f88a..1987fec1f126 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -233,6 +233,7 @@ struct tegra_msi {
struct msi_controller chip;
DECLARE_BITMAP(used, INT_PCI_MSI_NR);
struct irq_domain *domain;
+ unsigned long pages;
struct mutex lock;
u64 phys;
int irq;
@@ -1529,22 +1530,9 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie)
goto err;
}
- /*
- * The PCI host bridge on Tegra contains some logic that intercepts
- * MSI writes, which means that the MSI target address doesn't have
- * to point to actual physical memory. Rather than allocating one 4
- * KiB page of system memory that's never used, we can simply pick
- * an arbitrary address within an area reserved for system memory
- * in the FPCI address map.
- *
- * However, in order to avoid confusion, we pick an address that
- * doesn't map to physical memory. The FPCI address map reserves a
- * 1012 GiB region for system memory and memory-mapped I/O. Since
- * none of the Tegra SoCs that contain this PCI host bridge can
- * address more than 16 GiB of system memory, the last 4 KiB of
- * these 1012 GiB is a good candidate.
- */
- msi->phys = 0xfcfffff000;
+ /* setup AFI/FPCI range */
+ msi->pages = __get_free_pages(GFP_KERNEL, 0);
+ msi->phys = virt_to_phys((void *)msi->pages);
afi_writel(pcie, msi->phys >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST);
afi_writel(pcie, msi->phys, AFI_MSI_AXI_BAR_ST);
@@ -1596,6 +1584,8 @@ static int tegra_pcie_disable_msi(struct tegra_pcie *pcie)
afi_writel(pcie, 0, AFI_MSI_EN_VEC6);
afi_writel(pcie, 0, AFI_MSI_EN_VEC7);
+ free_pages(msi->pages, 0);
+
if (msi->irq > 0)
free_irq(msi->irq, pcie);
diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c
index 6bbb81f06a53..95049de4131c 100644
--- a/drivers/pci/host/pcie-tango.c
+++ b/drivers/pci/host/pcie-tango.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/pci-ecam.h>
#include <linux/delay.h>
#include <linux/of.h>
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index e33cdda45a4d..7e3331603714 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the Linux kernel pci hotplug controller drivers.
#
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 7eb4109a3df4..bb88c26f5144 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* File: htirq.c
* Purpose: Hypertransport Interrupt Capability
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
index 83d30953ce19..10929cd43d5d 100644
--- a/drivers/pci/irq.c
+++ b/drivers/pci/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* PCI IRQ handling code
*
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index 7e9e79575d93..a961a71d950f 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Purpose: Export the firmware instance and label associated with
* a pci device to sysfs
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8e075ea2743e..00fa4278c1f4 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* drivers/pci/pci-sysfs.c
*
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a6560c9baa52..fdb02c1f94bb 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DRIVERS_PCI_H
#define DRIVERS_PCI_H
diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile
index 36e35ea8fde7..223e4c34c29a 100644
--- a/drivers/pci/pcie/Makefile
+++ b/drivers/pci/pcie/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for PCI-Express PORT Driver
#
diff --git a/drivers/pci/pcie/aer/Makefile b/drivers/pci/pcie/aer/Makefile
index 2cba67510dc8..09bd890875a3 100644
--- a/drivers/pci/pcie/aer/Makefile
+++ b/drivers/pci/pcie/aer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for PCI-Express Root Port Advanced Error Reporting Driver
#
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index d51e4a57b190..5449e5ce139d 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2006 Intel Corp.
* Tom Long Nguyen (tom.l.nguyen@intel.com)
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 01906576ab91..b2019440e882 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Access ACPI _OSC method
*
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 1dfa10cc566b..83e4a892b14b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* File: drivers/pci/pcie/aspm.c
* Enabling PCIe link L0s/L1 state and Clock Power Management
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 4334fd5d7de9..a854bc569117 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* File: portdrv.h
* Purpose: PCI Express Port Bus Driver's Internal Data Structures
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 313a21df1692..ebc9d45bd731 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* File: portdrv_core.c
* Purpose: PCI Express Port Bus Driver's Core Functions
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 083276e03c38..68c389c7b975 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* File: portdrv_pci.c
* Purpose: PCI Express Port Bus Driver
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 098360d7ff81..58a662e3c4a6 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Procfs interface for the PCI bus.
*
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index a4d33619a7bb..911b3b65c8b2 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This file contains work-arounds for many known PCI hardware
* bugs. Devices present only on certain architectures (host
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index e576e1a8d978..c039149cacb0 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* drivers/pci/setup-res.c
*
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index 9bf993e1f71e..83efa001c2e7 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* pci_syscall.c
*
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