kernel/git/stable/linux.git/drivers/pci/htirq.c, branch master

x86/PCI: Remove unused HyperTransport interrupt support

2017-11-23T19:18:18+00:00

There are no in-tree callers of ht_create_irq(), the driver interface for HyperTransport interrupts, left. Remove the unused entry point and all the supporting code. See 8b955b0dddb3 ("[PATCH] Initial generic hypertransport interrupt support"). Signed-off-by: Bjorn Helgaas Signed-off-by: Thomas Gleixner Acked-by: "Eric W. Biederman" Cc: Andi Kleen Cc: Greg Kroah-Hartman Cc: linux-pci@vger.kernel.org Cc: Benjamin Herrenschmidt Link: https://lkml.kernel.org/r/20171122221337.3877.23362.stgit@bhelgaas-glaptop.roam.corp.google.com

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02T10:10:55+00:00

Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart Reviewed-by: Philippe Ombredanne Reviewed-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman

x86/htirq: Use hierarchical irqdomain to manage Hypertransport interrupts

2015-04-24T13:36:50+00:00

We have slightly changed the architecture interfaces to support htirq PCI driver. It's safe because currently Hypertransport interrupt is only enabled on x86 platforms. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: David Cohen Cc: Sander Eikelenboom Cc: David Vrabel Cc: Tony Luck Cc: Joerg Roedel Cc: Greg Kroah-Hartman Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Dimitri Sivanich Link: http://lkml.kernel.org/r/1428905519-23704-22-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner

x86/htirq: Use new irqdomain interfaces to allocate/free IRQ

2015-04-24T13:36:48+00:00

Use new irqdomain interfaces to allocate/free IRQ for HTIRQ, so we can remove GENERIC_IRQ_LEGACY_ALLOC_HWIRQ later. This patch changes the interfaces between arch independent PCI driver and arch specific code. Currently HT_IRQ is only enabled on x86, so it does not affect other architectures. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: David Cohen Cc: Sander Eikelenboom Cc: David Vrabel Cc: Tony Luck Cc: Joerg Roedel Cc: Greg Kroah-Hartman Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Dimitri Sivanich Link: http://lkml.kernel.org/r/1428905519-23704-7-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner

Merge tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

2014-06-12T20:20:24+00:00

Pull more PCI updates from Bjorn Helgaas: "Here are some more things I'd like to see in v3.16-rc1: - DMA alias iterator, part of some work to fix IOMMU issues - MVEBU, Tegra, DesignWare changes that I forgot to include before - Some whitespace code cleanup Details: IOMMU - Add DMA alias iterator (Alex Williamson) - Add DMA alias quirks for ASMedia, ITE, Tundra bridges (Alex Williamson) - Add DMA alias quirks for Marvell, Ricoh devices (Alex Williamson) - Add DMA alias quirk for HighPoint devices (Jérôme Carretero) MSI - Fix leak in free_msi_irqs() (Alexei Starovoitov) Marvell MVEBU - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Avoid setting an undefined window size (Jason Gunthorpe) - Allow several windows with the same target/attribute (Thomas Petazzoni) - Split PCIe BARs into multiple MBus windows when needed (Thomas Petazzoni) - Fix off-by-one in the computed size of the mbus windows (Willy Tarreau) NVIDIA Tegra - Use new OF interrupt mapping when possible (Lucas Stach) Synopsys DesignWare - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Use new OF interrupt mapping when possible (Lucas Stach) - Split Exynos and i.MX bindings (Lucas Stach) - Fix comment for setting number of lanes (Mohit Kumar) - Fix iATU programming for cfg1, io and mem viewport (Mohit Kumar) Miscellaneous - EXPORT_SYMBOL cleanup (Ryan Desfosses) - Whitespace cleanup (Ryan Desfosses) - Merge multi-line quoted strings (Ryan Desfosses)" * tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits) PCI: Add function 1 DMA alias quirk for HighPoint RocketRaid 642L PCI/MSI: Fix memory leak in free_msi_irqs() PCI: Merge multi-line quoted strings PCI: Whitespace cleanup PCI: Move EXPORT_SYMBOL so it immediately follows function/variable PCI: Add bridge DMA alias quirk for ITE bridge PCI: designware: Split Exynos and i.MX bindings PCI: Add bridge DMA alias quirk for ASMedia and Tundra bridges PCI: Add support for PCIe-to-PCI bridge DMA alias quirks PCI: Add function 1 DMA alias quirk for Marvell devices PCI: Add function 0 DMA alias quirk for Ricoh devices PCI: Add support for DMA alias quirks PCI: Convert pci_dev_flags definitions to bit shifts PCI: Add DMA alias iterator PCI: mvebu: Use '%pa' for printing 'phys_addr_t' type PCI: mvebu: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Use new OF interrupt mapping when possible PCI: designware: Fix iATU programming for cfg1, io and mem viewport PCI: designware: Fix comment for setting number of lanes ...

PCI: Whitespace cleanup

2014-06-11T02:20:19+00:00

Fix various whitespace errors. No functional change. [bhelgaas: fix other similar problems] Signed-off-by: Ryan Desfosses Signed-off-by: Bjorn Helgaas

PCI: Move EXPORT_SYMBOL so it immediately follows function/variable

2014-06-10T19:36:10+00:00

Move EXPORT_SYMBOL so it immediately follows the function or variable. No functional change. [bhelgaas: squash similar changes, fix hotplug, probe, rom, search, too] Signed-off-by: Ryan Desfosses Signed-off-by: Bjorn Helgaas

x86: htirq: Use irq_alloc/free_irq()

2014-05-16T12:05:19+00:00

No functional change, just cleaned up a bit. This does not replace the requirement to move x86 to irq domains, but it limits the mess to some degree. Signed-off-by: Thomas Gleixner Reviewed-by: Grant Likely Cc: Tony Luck Cc: Peter Zijlstra Acked-by: Bjorn Helgaas Cc: x86@kernel.org Cc: linux-pci@vger.kernel.org Link: http://lkml.kernel.org/r/20140507154335.452206351@linutronix.de Signed-off-by: Thomas Gleixner

pci: Fix files needing export.h for EXPORT_SYMBOL/THIS_MODULE

2011-10-31T23:31:22+00:00

They were implicitly getting it from device.h --> module.h but we want to clean that up. So add the minimal header for these macros. Signed-off-by: Paul Gortmaker

drivers: Final irq namespace conversion

2011-03-29T12:48:19+00:00

Scripted with coccinelle. Signed-off-by: Thomas Gleixner