From: Marek Szyprowski <m.szyprowski@samsung.com>
To: dri-devel@lists.freedesktop.org,
iommu@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org,
linux-kernel@vger.kernel.org
Cc: devel@driverdev.osuosl.org, "Todd Kjos" <tkjos@android.com>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"David Airlie" <airlied@linux.ie>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Arve Hjønnevåg" <arve@android.com>,
"Martijn Coenen" <maco@android.com>,
"Christian Brauner" <christian@brauner.io>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Joel Fernandes" <joel@joelfernandes.org>,
"Laura Abbott" <labbott@redhat.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Christoph Hellwig" <hch@lst.de>,
linux-arm-kernel@lists.infradead.org,
"Marek Szyprowski" <m.szyprowski@samsung.com>
Subject: [PATCH v5 31/38] staging: ion: remove dead code
Date: Wed, 13 May 2020 15:32:38 +0200 [thread overview]
Message-ID: <20200513133245.6408-31-m.szyprowski@samsung.com> (raw)
In-Reply-To: <20200513133245.6408-1-m.szyprowski@samsung.com>
ion_heap_pages_zero() function is not used at all, so remove it to
simplify the ion_heap_sglist_zero() function later.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
For more information, see '[PATCH v5 00/38] DRM: fix struct sg_table nents
vs. orig_nents misuse' thread:
https://lore.kernel.org/linux-iommu/20200513132114.6046-1-m.szyprowski@samsung.com/T/
---
drivers/staging/android/ion/ion.h | 1 -
drivers/staging/android/ion/ion_heap.c | 9 ---------
2 files changed, 10 deletions(-)
diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
index 74914a2..c199e88 100644
--- a/drivers/staging/android/ion/ion.h
+++ b/drivers/staging/android/ion/ion.h
@@ -177,7 +177,6 @@ struct ion_heap {
int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
struct vm_area_struct *vma);
int ion_heap_buffer_zero(struct ion_buffer *buffer);
-int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot);
/**
* ion_heap_init_shrinker
diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index 0755b11..9c23b23 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -145,15 +145,6 @@ int ion_heap_buffer_zero(struct ion_buffer *buffer)
return ion_heap_sglist_zero(table->sgl, table->nents, pgprot);
}
-int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot)
-{
- struct scatterlist sg;
-
- sg_init_table(&sg, 1);
- sg_set_page(&sg, page, size, 0);
- return ion_heap_sglist_zero(&sg, 1, pgprot);
-}
-
void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
{
spin_lock(&heap->free_lock);
--
1.9.1
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next parent reply other threads:[~2020-05-13 13:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200513132114.6046-1-m.szyprowski@samsung.com>
[not found] ` <20200513133245.6408-1-m.szyprowski@samsung.com>
[not found] ` <CGME20200513133319eucas1p2eaae7e606163ec1b211a07a80a52655d@eucas1p2.samsung.com>
2020-05-13 13:32 ` Marek Szyprowski [this message]
[not found] ` <CGME20200513133320eucas1p14cc8a7155b3d9ac2e0e30db2128c1477@eucas1p1.samsung.com>
2020-05-13 13:32 ` [PATCH v5 32/38] staging: ion: fix common struct sg_table related issues Marek Szyprowski
[not found] ` <CGME20200513133321eucas1p13acea3aa6219ce5f7076c7677ef9eae3@eucas1p1.samsung.com>
2020-05-13 13:32 ` [PATCH v5 33/38] staging: tegra-vde: " Marek Szyprowski
2020-05-14 20:07 ` Dmitry Osipenko
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