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iommu/exynos: Remove dead code (set_prefbuf)

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exynos_sysmmu_set_prefbuf() is not called any where.

Signed-off-by: Grant Grundler <grundler@chromium.org>
Reviewed-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Grant Grundler 2013-07-02 09:08:27 -07:00 committed by Joerg Roedel
parent d4e4ab86bc
commit ca19243e9c
1 changed files with 0 additions and 44 deletions
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44
drivers/iommu/exynos-iommu.c
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@ -247,50 +247,6 @@ static void __sysmmu_set_prefbuf(void __iomem *sfrbase, unsigned long base,
__raw_writel(size - 1 + base, sfrbase + REG_PB0_EADDR + idx * 8);
}
void exynos_sysmmu_set_prefbuf(struct device *dev,
unsigned long base0, unsigned long size0,
unsigned long base1, unsigned long size1)
{
struct sysmmu_drvdata *data = dev_get_drvdata(dev->archdata.iommu);
unsigned long flags;
int i;
BUG_ON((base0 + size0) <= base0);
BUG_ON((size1 > 0) && ((base1 + size1) <= base1));
read_lock_irqsave(&data->lock, flags);
if (!is_sysmmu_active(data))
goto finish;
for (i = 0; i < data->nsfrs; i++) {
if ((readl(data->sfrbases[i] + REG_MMU_VERSION) >> 28) == 3) {
if (!sysmmu_block(data->sfrbases[i]))
continue;
if (size1 == 0) {
if (size0 <= SZ_128K) {
base1 = base0;
size1 = size0;
} else {
size1 = size0 -
ALIGN(size0 / 2, SZ_64K);
size0 = size0 - size1;
base1 = base0 + size0;
}
}
__sysmmu_set_prefbuf(
data->sfrbases[i], base0, size0, 0);
__sysmmu_set_prefbuf(
data->sfrbases[i], base1, size1, 1);
sysmmu_unblock(data->sfrbases[i]);
}
}
finish:
read_unlock_irqrestore(&data->lock, flags);
}
static void __set_fault_handler(struct sysmmu_drvdata *data,
sysmmu_fault_handler_t handler)
{