From: Grant Grundler <grundler@chromium.org>
To: Joerg Roedel <joro@8bytes.org>, Sachin Kamat <sachin.kamat@linaro.org>
Cc: Jiri Kosina <jkosina@suse.cz>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
Kukjin Kim <kgene.kim@samsung.com>,
linux-kernel@vger.kernel.org,
Grant Grundler <grundler@chromium.org>
Subject: [PATCH] iommu/exynos: remove dead code (set_prefbuf)
Date: Tue, 2 Jul 2013 09:08:27 -0700 [thread overview]
Message-ID: <1372781307-7906-1-git-send-email-grundler@chromium.org> (raw)
exynos_sysmmu_set_prefbuf() is not called any where.
Signed-off-by: Grant Grundler <grundler@chromium.org>
---
drivers/iommu/exynos-iommu.c | 44 --------------------------------------------
1 file changed, 44 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 3f32d64..0740189 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -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)
{
--
1.8.3
next reply other threads:[~2013-07-02 16:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 16:08 Grant Grundler [this message]
2013-08-05 16:39 ` [PATCH] iommu/exynos: remove dead code (set_prefbuf) Grant Grundler
2013-08-06 9:47 ` Cho KyongHo
2013-08-14 9:30 ` Joerg Roedel
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