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powerpc/iommu: Code cleanup for cell/iommu.c

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This part was commented from commit 165785e5c0 ("[POWERPC] Cell
iommu support") in about 17 years before.

If there are no plans to enable this part code in the future,
we can remove this dead code.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240125082637.532826-1-chentao@kylinos.cn
This commit is contained in:
Kunwu Chan 2024-01-25 16:26:37 +08:00 committed by Michael Ellerman
parent 473e2311f3
commit f3560a2ba5
1 changed files with 0 additions and 17 deletions
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17
arch/powerpc/platforms/cell/iommu.c
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@ -424,23 +424,6 @@ static void __init cell_iommu_setup_hardware(struct cbe_iommu *iommu,
cell_iommu_enable_hardware(iommu);
}
#if 0/* Unused for now */
static struct iommu_window *find_window(struct cbe_iommu *iommu,
unsigned long offset, unsigned long size)
{
struct iommu_window *window;
/* todo: check for overlapping (but not equal) windows) */
list_for_each_entry(window, &(iommu->windows), list) {
if (window->offset == offset && window->size == size)
return window;
}
return NULL;
}
#endif
static inline u32 cell_iommu_get_ioid(struct device_node *np)
{
const u32 *ioid;