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| author | Julien Grall <julien.grall@arm.com> | 2019-05-01 15:58:24 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-05-03 16:30:23 +0200 |
| commit | 16e32c3cde7763ab875b9030b443ecbc8e352d8a (patch) | |
| tree | 5bfa3236d6af5b5ee0994cc6417da35acd6a97f9 /drivers/iommu | |
| parent | irqchip/gic-v3-mbi: Don't map the MSI page in mbi_compose_m{b, s}i_msg() (diff) | |
| download | linux-16e32c3cde7763ab875b9030b443ecbc8e352d8a.tar.xz linux-16e32c3cde7763ab875b9030b443ecbc8e352d8a.zip | |
iommu/dma-iommu: Remove iommu_dma_map_msi_msg()
A recent change split iommu_dma_map_msi_msg() in two new functions. The
function was still implemented to avoid modifying all the callers at
once.
Now that all the callers have been reworked, iommu_dma_map_msi_msg() can
be removed.
Signed-off-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/dma-iommu.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index f847904098f7..13916fefeb27 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -935,23 +935,3 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc, msg->address_lo &= cookie_msi_granule(domain->iova_cookie) - 1; msg->address_lo += lower_32_bits(msi_page->iova); } - -void iommu_dma_map_msi_msg(int irq, struct msi_msg *msg) -{ - struct msi_desc *desc = irq_get_msi_desc(irq); - phys_addr_t msi_addr = (u64)msg->address_hi << 32 | msg->address_lo; - - if (WARN_ON(iommu_dma_prepare_msi(desc, msi_addr))) { - /* - * We're called from a void callback, so the best we can do is - * 'fail' by filling the message with obviously bogus values. - * Since we got this far due to an IOMMU being present, it's - * not like the existing address would have worked anyway... - */ - msg->address_hi = ~0U; - msg->address_lo = ~0U; - msg->data = ~0U; - } else { - iommu_dma_compose_msi_msg(desc, msg); - } -} |