From: Rikard Falkeborn <rikard.falkeborn@gmail.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Chen-Yu Tsai <wens@csie.org>, Maxime Ripard <mripard@kernel.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Rikard Falkeborn <rikard.falkeborn@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] iommu/sun50i: Constify sun50i_iommu_ops
Date: Mon, 25 May 2020 23:49:58 +0200 [thread overview]
Message-ID: <20200525214958.30015-3-rikard.falkeborn@gmail.com> (raw)
In-Reply-To: <20200525214958.30015-1-rikard.falkeborn@gmail.com>
The struct sun50i_iommu_ops is not modified and can be made const to
allow the compiler to put it in read-only memory.
Before:
text data bss dec hex filename
14358 2501 64 16923 421b drivers/iommu/sun50i-iommu.o
After:
text data bss dec hex filename
14726 2117 64 16907 420b drivers/iommu/sun50i-iommu.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
drivers/iommu/sun50i-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 1fa09ddcebd4..fce605e96aa2 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -771,7 +771,7 @@ static int sun50i_iommu_of_xlate(struct device *dev,
return iommu_fwspec_add_ids(dev, &id, 1);
}
-static struct iommu_ops sun50i_iommu_ops = {
+static const struct iommu_ops sun50i_iommu_ops = {
.pgsize_bitmap = SZ_4K,
.attach_dev = sun50i_iommu_attach_device,
.detach_dev = sun50i_iommu_detach_device,
--
2.26.2
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iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-05-25 23:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 21:49 [PATCH 0/2] drivers/iommu: Constify structs Rikard Falkeborn
2020-05-25 21:49 ` [PATCH 1/2] iommu/hyper-v: Constify hyperv_ir_domain_ops Rikard Falkeborn
2020-05-26 9:09 ` Wei Liu
2020-05-25 21:49 ` Rikard Falkeborn [this message]
2020-05-26 7:56 ` [PATCH 2/2] iommu/sun50i: Constify sun50i_iommu_ops Maxime Ripard
2020-05-27 12:39 ` [PATCH 0/2] drivers/iommu: Constify structs Joerg Roedel
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