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authorJakub Kicinski <kuba@kernel.org>2023-02-09 12:05:25 -0800
committerJakub Kicinski <kuba@kernel.org>2023-02-09 12:25:40 -0800
commit8697a258ae24703267d2a37d91ab757c91ef027e (patch)
tree7a1798898ac64c72e6cf77d2320f036c963a16c1 /drivers/nvmem/sunxi_sid.c
parent0b34d68049b09821499b93d50b5a9d7d2ca449f6 (diff)
parent35674e787518768626d3a0ffce1c13a7eeed922d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/devlink/leftover.c / net/core/devlink.c: 565b4824c39f ("devlink: change port event netdev notifier from per-net to global") f05bd8ebeb69 ("devlink: move code to a dedicated directory") 687125b5799c ("devlink: split out core code") https://lore.kernel.org/all/20230208094657.379f2b1a@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/nvmem/sunxi_sid.c')
-rw-r--r--drivers/nvmem/sunxi_sid.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c
index 5750e1f4bcdb..92dfe4cb10e3 100644
--- a/drivers/nvmem/sunxi_sid.c
+++ b/drivers/nvmem/sunxi_sid.c
@@ -41,8 +41,21 @@ static int sunxi_sid_read(void *context, unsigned int offset,
void *val, size_t bytes)
{
struct sunxi_sid *sid = context;
+ u32 word;
+
+ /* .stride = 4 so offset is guaranteed to be aligned */
+ __ioread32_copy(val, sid->base + sid->value_offset + offset, bytes / 4);
- memcpy_fromio(val, sid->base + sid->value_offset + offset, bytes);
+ val += round_down(bytes, 4);
+ offset += round_down(bytes, 4);
+ bytes = bytes % 4;
+
+ if (!bytes)
+ return 0;
+
+ /* Handle any trailing bytes */
+ word = readl_relaxed(sid->base + sid->value_offset + offset);
+ memcpy(val, &word, bytes);
return 0;
}