diff options
| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2016-12-16 14:28:41 +0100 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2016-12-19 09:05:20 -0500 |
| commit | ae7871be189cb41184f1e05742b4a99e2c59774d (patch) | |
| tree | 153af0699fabd19f238d80917ff1b18cac6bcc87 /drivers/xen | |
| parent | x86, swiotlb: Simplify pci_swiotlb_detect_override() (diff) | |
| download | linux-dev-ae7871be189cb41184f1e05742b4a99e2c59774d.tar.xz linux-dev-ae7871be189cb41184f1e05742b4a99e2c59774d.zip | |
swiotlb: Convert swiotlb_force from int to enum
Convert the flag swiotlb_force from an int to an enum, to prepare for
the advent of more possible values.
Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 478fb91e3df2..aba12009422e 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -392,7 +392,7 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, if (dma_capable(dev, dev_addr, size) && !range_straddles_page_boundary(phys, size) && !xen_arch_need_swiotlb(dev, phys, dev_addr) && - !swiotlb_force) { + (swiotlb_force != SWIOTLB_FORCE)) { /* we are not interested in the dma_addr returned by * xen_dma_map_page, only in the potential cache flushes executed * by the function. */ @@ -552,7 +552,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, phys_addr_t paddr = sg_phys(sg); dma_addr_t dev_addr = xen_phys_to_bus(paddr); - if (swiotlb_force || + if (swiotlb_force == SWIOTLB_FORCE || xen_arch_need_swiotlb(hwdev, paddr, dev_addr) || !dma_capable(hwdev, dev_addr, sg->length) || range_straddles_page_boundary(paddr, sg->length)) { |