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accel: ethosu: Fix shift overflow in cmd_to_addr()

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The "((cmd[0] & 0xff0000) << 16)" shift is zero.  This was intended
to be (((u64)cmd[0] & 0xff0000) << 16).  Move the cast to the correct
location.

Fixes: 5a5e9c0228 ("accel: Add Arm Ethos-U NPU driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aQGmY64tWcwOGFP4@stanley.mountain
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Dan Carpenter
2025-10-29 08:30:11 +03:00
committed by Rob Herring (Arm)
parent 46120745bb
commit 7be41fb00e
1 changed files with 1 additions and 1 deletions
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2
drivers/accel/ethosu/ethosu_gem.c
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@@ -154,7 +154,7 @@ static void cmd_state_init(struct cmd_state *st)
static u64 cmd_to_addr(u32 *cmd)
{
return ((u64)((cmd[0] & 0xff0000) << 16)) | cmd[1];
return (((u64)cmd[0] & 0xff0000) << 16) | cmd[1];
}
static u64 dma_length(struct ethosu_validated_cmdstream_info *info,