From 8e2a46a40fa76570e535e5baa2d351510b6e61fa Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 15 Jun 2020 08:50:25 +0200 Subject: docs: move remaining stuff under Documentation/*.txt to Documentation/staging There are several files that I was unable to find a proper place for them, and 3 ones that are still in plain old text format. Let's place those stuff behind the carpet, as we'd like to keep the root directory clean. We can later discuss and move those into better places. Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/11bd0d75e65a874f7c276a0aeab0fe13f3376f5f.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- include/linux/jump_label.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 3526c0aee954..32809624d422 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -68,7 +68,7 @@ * Lacking toolchain and or architecture support, static keys fall back to a * simple conditional branch. * - * Additional babbling in: Documentation/static-keys.txt + * Additional babbling in: Documentation/staging/static-keys.rst */ #ifndef __ASSEMBLY__ -- cgit v1.2.3 From 5c45a918263e4da142b9cf40a1dfcb4134d454a2 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 23 Jun 2020 09:08:59 +0200 Subject: net: netdevice.h: add a description for napi_defer_hard_irqs Changeset 6f8b12d661d0 ("net: napi: add hard irqs deferral feature") added a new element at struct net_device. Add a description for it, based on what's described at the changeset which added such feature. Fixes: 6f8b12d661d0 ("net: napi: add hard irqs deferral feature") Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/807a3840e7bc1562adefadb0535c9f47e6ab52e0.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- include/linux/netdevice.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 6fc613ed8eae..f3ca52958a17 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1742,6 +1742,8 @@ enum netdev_priv_flags { * @real_num_rx_queues: Number of RX queues currently active in device * @xdp_prog: XDP sockets filter program pointer * @gro_flush_timeout: timeout for GRO layer in NAPI + * @napi_defer_hard_irqs: If not zero, provides a counter that would + * allow to avoid NIC hard IRQ, on busy queues. * * @rx_handler: handler for received packets * @rx_handler_data: XXX: need comments on this one -- cgit v1.2.3 From 5d682f5ec9d1c49e7fe2945e586aa264692859f0 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 23 Jun 2020 09:09:01 +0200 Subject: net: pylink.h: add kernel-doc descriptions for new fields at phylink_config Some fields were moved from struct phylink into phylink_config. Update the kernel-doc markups for the config struct accordingly Fixes: 5c05c1dbb177 ("net: phylink, dsa: eliminate phylink_fixed_state_cb()") Reviewed-by: Russell King Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/34970f447ff86415a6cef10a785fbef81c2819a7.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- include/linux/phylink.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux') diff --git a/include/linux/phylink.h b/include/linux/phylink.h index cc5b452a184e..02ff1419d4be 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -62,6 +62,10 @@ enum phylink_op_type { * @dev: a pointer to a struct device associated with the MAC * @type: operation type of PHYLINK instance * @pcs_poll: MAC PCS cannot provide link change interrupt + * @poll_fixed_state: if true, starts link_poll, + * if MAC link is at %MLO_AN_FIXED mode. + * @get_fixed_state: callback to execute to determine the fixed link state, + * if MAC link is at %MLO_AN_FIXED mode. */ struct phylink_config { struct device *dev; -- cgit v1.2.3 From 21b9cb34385d93d661a9134adf19eae2bd734218 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 23 Jun 2020 09:09:03 +0200 Subject: fs: fs.h: fix a kernel-doc parameter description Changeset 3b0311e7ca71 ("vfs: track per-sb writeback errors and report them to syncfs") added a variant of filemap_sample_wb_err(), but it forgot to rename the arguments at the kernel-doc markup. Fix it. Fix those warnings: ./include/linux/fs.h:2845: warning: Function parameter or member 'file' not described in 'file_sample_sb_err' ./include/linux/fs.h:2845: warning: Excess function parameter 'mapping' description in 'file_sample_sb_err' Fixes: 3b0311e7ca71 ("vfs: track per-sb writeback errors and report them to syncfs") Signed-off-by: Mauro Carvalho Chehab Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/7b33bbceb29ac80874622a2bc84127bb10103245.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- include/linux/fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/fs.h b/include/linux/fs.h index 6c4ab4dc1cd7..7e17ecc461d5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2829,7 +2829,7 @@ static inline errseq_t filemap_sample_wb_err(struct address_space *mapping) /** * file_sample_sb_err - sample the current errseq_t to test for later errors - * @mapping: mapping to be sampled + * @file: file pointer to be sampled * * Grab the most current superblock-level errseq_t value for the given * struct file. -- cgit v1.2.3 From 15d737f8a14e73fcf25f6f797630279a203ce99c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 23 Jun 2020 09:09:04 +0200 Subject: kcsan: fix a kernel-doc warning One of the kernel-doc markups there have two "note" sections: ./include/linux/kcsan-checks.h:346: warning: duplicate section name 'Note' While this is not the case here, duplicated sections can cause build issues on Sphinx. So, let's change the notes section to use, instead, a list for those 2 notes at the same function. Signed-off-by: Mauro Carvalho Chehab Acked-by: Marco Elver Link: https://lore.kernel.org/r/20f7995fab2ba85ce723203e9a7c822a55cca2af.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- include/linux/kcsan-checks.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'include/linux') diff --git a/include/linux/kcsan-checks.h b/include/linux/kcsan-checks.h index 7b0b9c44f5f3..c5f6c1dcf7e3 100644 --- a/include/linux/kcsan-checks.h +++ b/include/linux/kcsan-checks.h @@ -337,11 +337,13 @@ static inline void __kcsan_disable_current(void) { } * release_for_reuse(obj); * } * - * Note: ASSERT_EXCLUSIVE_ACCESS_SCOPED(), if applicable, performs more thorough - * checking if a clear scope where no concurrent accesses are expected exists. + * Note: * - * Note: For cases where the object is freed, `KASAN `_ is a better - * fit to detect use-after-free bugs. + * 1. ASSERT_EXCLUSIVE_ACCESS_SCOPED(), if applicable, performs more thorough + * checking if a clear scope where no concurrent accesses are expected exists. + * + * 2. For cases where the object is freed, `KASAN `_ is a better + * fit to detect use-after-free bugs. * * @var: variable to assert on */ -- cgit v1.2.3 From 985098a05eee6bf5caca7e997e02a5b15242cfa0 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 23 Jun 2020 09:09:10 +0200 Subject: docs: fix references for DMA*.txt files As we moved those files to core-api, fix references to point to their newer locations. Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/37b2fd159fbc7655dbf33b3eb1215396a25f6344.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet --- Documentation/PCI/pci.rst | 6 +++--- Documentation/block/biodoc.rst | 2 +- Documentation/bus-virt-phys-mapping.txt | 2 +- Documentation/core-api/dma-api.rst | 6 +++--- Documentation/core-api/dma-isa-lpc.rst | 2 +- Documentation/driver-api/usb/dma.rst | 6 +++--- Documentation/translations/ko_KR/memory-barriers.txt | 6 +++--- arch/ia64/hp/common/sba_iommu.c | 12 ++++++------ arch/parisc/kernel/pci-dma.c | 2 +- arch/x86/include/asm/dma-mapping.h | 4 ++-- arch/x86/kernel/amd_gart_64.c | 2 +- drivers/parisc/sba_iommu.c | 14 +++++++------- include/linux/dma-mapping.h | 2 +- include/media/videobuf-dma-sg.h | 2 +- kernel/dma/debug.c | 2 +- 15 files changed, 35 insertions(+), 35 deletions(-) (limited to 'include/linux') diff --git a/Documentation/PCI/pci.rst b/Documentation/PCI/pci.rst index 8c016d8c9862..d10d3fe604c5 100644 --- a/Documentation/PCI/pci.rst +++ b/Documentation/PCI/pci.rst @@ -265,7 +265,7 @@ Set the DMA mask size --------------------- .. note:: If anything below doesn't make sense, please refer to - Documentation/DMA-API.txt. This section is just a reminder that + :doc:`/core-api/dma-api`. This section is just a reminder that drivers need to indicate DMA capabilities of the device and is not an authoritative source for DMA interfaces. @@ -291,7 +291,7 @@ Many 64-bit "PCI" devices (before PCI-X) and some PCI-X devices are Setup shared control data ------------------------- Once the DMA masks are set, the driver can allocate "consistent" (a.k.a. shared) -memory. See Documentation/DMA-API.txt for a full description of +memory. See :doc:`/core-api/dma-api` for a full description of the DMA APIs. This section is just a reminder that it needs to be done before enabling DMA on the device. @@ -421,7 +421,7 @@ owners if there is one. Then clean up "consistent" buffers which contain the control data. -See Documentation/DMA-API.txt for details on unmapping interfaces. +See :doc:`/core-api/dma-api` for details on unmapping interfaces. Unregister from other subsystems diff --git a/Documentation/block/biodoc.rst b/Documentation/block/biodoc.rst index b964796ec9c7..ba7f45d0271c 100644 --- a/Documentation/block/biodoc.rst +++ b/Documentation/block/biodoc.rst @@ -196,7 +196,7 @@ a virtual address mapping (unlike the earlier scheme of virtual address do not have a corresponding kernel virtual address space mapping) and low-memory pages. -Note: Please refer to Documentation/DMA-API-HOWTO.txt for a discussion +Note: Please refer to :doc:`/core-api/dma-api-howto` for a discussion on PCI high mem DMA aspects and mapping of scatter gather lists, and support for 64 bit PCI. diff --git a/Documentation/bus-virt-phys-mapping.txt b/Documentation/bus-virt-phys-mapping.txt index 4bb07c2f3e7d..c7bc99cd2e21 100644 --- a/Documentation/bus-virt-phys-mapping.txt +++ b/Documentation/bus-virt-phys-mapping.txt @@ -8,7 +8,7 @@ How to access I/O mapped memory from within device drivers The virt_to_bus() and bus_to_virt() functions have been superseded by the functionality provided by the PCI DMA interface - (see Documentation/DMA-API-HOWTO.txt). They continue + (see :doc:`/core-api/dma-api-howto`). They continue to be documented below for historical purposes, but new code must not use them. --davidm 00/12/12 diff --git a/Documentation/core-api/dma-api.rst b/Documentation/core-api/dma-api.rst index 2d8d2fed7317..63b4a2f20867 100644 --- a/Documentation/core-api/dma-api.rst +++ b/Documentation/core-api/dma-api.rst @@ -5,7 +5,7 @@ Dynamic DMA mapping using the generic device :Author: James E.J. Bottomley This document describes the DMA API. For a more gentle introduction -of the API (and actual examples), see Documentation/DMA-API-HOWTO.txt. +of the API (and actual examples), see :doc:`/core-api/dma-api-howto`. This API is split into two pieces. Part I describes the basic API. Part II describes extensions for supporting non-consistent memory @@ -471,7 +471,7 @@ without the _attrs suffixes, except that they pass an optional dma_attrs. The interpretation of DMA attributes is architecture-specific, and -each attribute should be documented in Documentation/DMA-attributes.txt. +each attribute should be documented in :doc:`/core-api/dma-attributes`. If dma_attrs are 0, the semantics of each of these functions is identical to those of the corresponding function @@ -484,7 +484,7 @@ for DMA:: #include /* DMA_ATTR_FOO should be defined in linux/dma-mapping.h and - * documented in Documentation/DMA-attributes.txt */ + * documented in Documentation/core-api/dma-attributes.rst */ ... unsigned long attr; diff --git a/Documentation/core-api/dma-isa-lpc.rst b/Documentation/core-api/dma-isa-lpc.rst index b1ec7b16c21f..e59a3d35a93d 100644 --- a/Documentation/core-api/dma-isa-lpc.rst +++ b/Documentation/core-api/dma-isa-lpc.rst @@ -17,7 +17,7 @@ To do ISA style DMA you need to include two headers:: #include The first is the generic DMA API used to convert virtual addresses to -bus addresses (see Documentation/DMA-API.txt for details). +bus addresses (see :doc:`/core-api/dma-api` for details). The second contains the routines specific to ISA DMA transfers. Since this is not present on all platforms make sure you construct your diff --git a/Documentation/driver-api/usb/dma.rst b/Documentation/driver-api/usb/dma.rst index 59d5aee89e37..2b3dbd3265b4 100644 --- a/Documentation/driver-api/usb/dma.rst +++ b/Documentation/driver-api/usb/dma.rst @@ -10,7 +10,7 @@ API overview The big picture is that USB drivers can continue to ignore most DMA issues, though they still must provide DMA-ready buffers (see -``Documentation/DMA-API-HOWTO.txt``). That's how they've worked through +:doc:`/core-api/dma-api-howto`). That's how they've worked through the 2.4 (and earlier) kernels, or they can now be DMA-aware. DMA-aware usb drivers: @@ -60,7 +60,7 @@ and effects like cache-trashing can impose subtle penalties. force a consistent memory access ordering by using memory barriers. It's not using a streaming DMA mapping, so it's good for small transfers on systems where the I/O would otherwise thrash an IOMMU mapping. (See - ``Documentation/DMA-API-HOWTO.txt`` for definitions of "coherent" and + :doc:`/core-api/dma-api-howto` for definitions of "coherent" and "streaming" DMA mappings.) Asking for 1/Nth of a page (as well as asking for N pages) is reasonably @@ -91,7 +91,7 @@ Working with existing buffers Existing buffers aren't usable for DMA without first being mapped into the DMA address space of the device. However, most buffers passed to your driver can safely be used with such DMA mapping. (See the first section -of Documentation/DMA-API-HOWTO.txt, titled "What memory is DMA-able?") +of :doc:`/core-api/dma-api-howto`, titled "What memory is DMA-able?") - When you're using scatterlists, you can map everything at once. On some systems, this kicks in an IOMMU and turns the scatterlists into single diff --git a/Documentation/translations/ko_KR/memory-barriers.txt b/Documentation/translations/ko_KR/memory-barriers.txt index 34d041d68f78..604cee350e53 100644 --- a/Documentation/translations/ko_KR/memory-barriers.txt +++ b/Documentation/translations/ko_KR/memory-barriers.txt @@ -570,8 +570,8 @@ ACQUIRE 는 해당 오퍼레이션의 로드 부분에만 적용되고 RELEASE [*] 버스 마스터링 DMA 와 일관성에 대해서는 다음을 참고하시기 바랍니다: Documentation/driver-api/pci/pci.rst - Documentation/DMA-API-HOWTO.txt - Documentation/DMA-API.txt + Documentation/core-api/dma-api-howto.rst + Documentation/core-api/dma-api.rst 데이터 의존성 배리어 (역사적) @@ -1907,7 +1907,7 @@ Mandatory 배리어들은 SMP 시스템에서도 UP 시스템에서도 SMP 효 writel_relaxed() 와 같은 완화된 I/O 접근자들에 대한 자세한 내용을 위해서는 "커널 I/O 배리어의 효과" 섹션을, consistent memory 에 대한 자세한 내용을 - 위해선 Documentation/DMA-API.txt 문서를 참고하세요. + 위해선 Documentation/core-api/dma-api.rst 문서를 참고하세요. ========================= diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index a806227c1fad..656a4888c300 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -907,7 +907,7 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) * @dir: dma direction * @attrs: optional dma attributes * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static dma_addr_t sba_map_page(struct device *dev, struct page *page, unsigned long poff, size_t size, @@ -1028,7 +1028,7 @@ sba_mark_clean(struct ioc *ioc, dma_addr_t iova, size_t size) * @dir: R/W or both. * @attrs: optional dma attributes * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size, enum dma_data_direction dir, unsigned long attrs) @@ -1105,7 +1105,7 @@ static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size, * @size: number of bytes mapped in driver buffer. * @dma_handle: IOVA of new buffer. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void * sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, @@ -1162,7 +1162,7 @@ sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, * @vaddr: virtual address IOVA of "consistent" buffer. * @dma_handler: IO virtual address of "consistent" buffer. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, unsigned long attrs) @@ -1425,7 +1425,7 @@ static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist, * @dir: R/W or both. * @attrs: optional dma attributes * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction dir, @@ -1524,7 +1524,7 @@ static int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist, * @dir: R/W or both. * @attrs: optional dma attributes * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction dir, diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 70cd24bdcfec..4f1596bb1936 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -3,7 +3,7 @@ ** PARISC 1.1 Dynamic DMA mapping support. ** This implementation is for PA-RISC platforms that do not support ** I/O TLBs (aka DMA address translation hardware). -** See Documentation/DMA-API-HOWTO.txt for interface definitions. +** See Documentation/core-api/dma-api-howto.rst for interface definitions. ** ** (c) Copyright 1999,2000 Hewlett-Packard Company ** (c) Copyright 2000 Grant Grundler diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 6b15a24930e0..fed67eafcacc 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -3,8 +3,8 @@ #define _ASM_X86_DMA_MAPPING_H /* - * IOMMU interface. See Documentation/DMA-API-HOWTO.txt and - * Documentation/DMA-API.txt for documentation. + * IOMMU interface. See Documentation/core-api/dma-api-howto.rst and + * Documentation/core-api/dma-api.rst for documentation. */ #include diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c index 17cb5b933dcf..e89031e9c847 100644 --- a/arch/x86/kernel/amd_gart_64.c +++ b/arch/x86/kernel/amd_gart_64.c @@ -6,7 +6,7 @@ * This allows to use PCI devices that only support 32bit addresses on systems * with more than 4GB. * - * See Documentation/DMA-API-HOWTO.txt for the interface specification. + * See Documentation/core-api/dma-api-howto.rst for the interface specification. * * Copyright 2002 Andi Kleen, SuSE Labs. */ diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index 7e112829d250..5368452eb5a6 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -666,7 +666,7 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) * @dev: instance of PCI owned by the driver that's asking * @mask: number of address bits this PCI device can handle * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static int sba_dma_supported( struct device *dev, u64 mask) { @@ -698,7 +698,7 @@ static int sba_dma_supported( struct device *dev, u64 mask) * @size: number of bytes to map in driver buffer. * @direction: R/W or both. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static dma_addr_t sba_map_single(struct device *dev, void *addr, size_t size, @@ -788,7 +788,7 @@ sba_map_page(struct device *dev, struct page *page, unsigned long offset, * @size: number of bytes mapped in driver buffer. * @direction: R/W or both. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size, @@ -867,7 +867,7 @@ sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size, * @size: number of bytes mapped in driver buffer. * @dma_handle: IOVA of new buffer. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void *sba_alloc(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) @@ -898,7 +898,7 @@ static void *sba_alloc(struct device *hwdev, size_t size, dma_addr_t *dma_handle * @vaddr: virtual address IOVA of "consistent" buffer. * @dma_handler: IO virtual address of "consistent" buffer. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_free(struct device *hwdev, size_t size, void *vaddr, @@ -933,7 +933,7 @@ int dump_run_sg = 0; * @nents: number of entries in list * @direction: R/W or both. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, @@ -1017,7 +1017,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, * @nents: number of entries in list * @direction: R/W or both. * - * See Documentation/DMA-API-HOWTO.txt + * See Documentation/core-api/dma-api-howto.rst */ static void sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 78f677cf45ab..ef2b153ddbd9 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -14,7 +14,7 @@ /** * List of possible attributes associated with a DMA mapping. The semantics - * of each attribute should be defined in Documentation/DMA-attributes.txt. + * of each attribute should be defined in Documentation/core-api/dma-attributes.rst. */ /* diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h index b89d5e31f172..34450f7ad510 100644 --- a/include/media/videobuf-dma-sg.h +++ b/include/media/videobuf-dma-sg.h @@ -31,7 +31,7 @@ * does memory allocation too using vmalloc_32(). * * videobuf_dma_*() - * see Documentation/DMA-API-HOWTO.txt, these functions to + * see Documentation/core-api/dma-api-howto.rst, these functions to * basically the same. The map function does also build a * scatterlist for the buffer (and unmap frees it ...) * diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 36c962a86bf2..f97f088ace7e 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -1071,7 +1071,7 @@ static void check_unmap(struct dma_debug_entry *ref) /* * Drivers should use dma_mapping_error() to check the returned * addresses of dma_map_single() and dma_map_page(). - * If not, print this warning message. See Documentation/DMA-API.txt. + * If not, print this warning message. See Documentation/core-api/dma-api.rst. */ if (entry->map_err_type == MAP_ERR_NOT_CHECKED) { err_printk(ref->dev, entry, -- cgit v1.2.3