diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-04-10 11:02:20 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-04-24 14:12:05 +0300 |
| commit | 15854edd193ae5d9daf8f50ce5f9f1724cebe344 (patch) | |
| tree | 41149b749780d598928ee6025aa268fdc20374ca /drivers/pci/controller | |
| parent | a5881bea88616e3aacf521dbdbe0e323257aaba1 (diff) | |
| download | linux-15854edd193ae5d9daf8f50ce5f9f1724cebe344.tar.xz | |
x86/pci: Clean up usage of X86_DEV_DMA_OPS
We have supported per-device dma_map_ops in generic code for a long
time, and this symbol just guards the inclusion of the dma_map_ops
registry used for vmd. Stop enabling it for anything but vmd.
No change in functionality intended.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20190410080220.21705-3-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/pci/controller/vmd.c | 7 |
2 files changed, 1 insertions, 7 deletions
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 6012f3059acd..011c57cae4b0 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -267,6 +267,7 @@ config PCIE_TANGO_SMP8759 config VMD depends on PCI_MSI && X86_64 && SRCU + select X86_DEV_DMA_OPS tristate "Intel Volume Management Device Driver" ---help--- Adds support for the Intel Volume Management Device (VMD). VMD is a diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index cf6816b55b5e..999a5509e57e 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -95,10 +95,8 @@ struct vmd_dev { struct irq_domain *irq_domain; struct pci_bus *bus; -#ifdef CONFIG_X86_DEV_DMA_OPS struct dma_map_ops dma_ops; struct dma_domain dma_domain; -#endif }; static inline struct vmd_dev *vmd_from_bus(struct pci_bus *bus) @@ -293,7 +291,6 @@ static struct msi_domain_info vmd_msi_domain_info = { .chip = &vmd_msi_controller, }; -#ifdef CONFIG_X86_DEV_DMA_OPS /* * VMD replaces the requester ID with its own. DMA mappings for devices in a * VMD domain need to be mapped for the VMD, not the device requiring @@ -438,10 +435,6 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd) add_dma_domain(domain); } #undef ASSIGN_VMD_DMA_OPS -#else -static void vmd_teardown_dma_ops(struct vmd_dev *vmd) {} -static void vmd_setup_dma_ops(struct vmd_dev *vmd) {} -#endif static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus, unsigned int devfn, int reg, int len) |