Messages in this thread Patch in this message | | | From | Alex Elder <> | Subject | [PATCH net 1/2] net: ipa: set DMA length in gsi_trans_cmd_add() | Date | Thu, 7 May 2020 14:14:03 -0500 |
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When a command gets added to a transaction for the AP->command channel we set the DMA address of its scatterlist entry, but not its DMA length. Fix this bug.
Signed-off-by: Alex Elder <elder@linaro.org> --- drivers/net/ipa/gsi_trans.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c index 2fd21d75367d..bdbfeed359db 100644 --- a/drivers/net/ipa/gsi_trans.c +++ b/drivers/net/ipa/gsi_trans.c @@ -399,13 +399,14 @@ void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size, /* assert(which < trans->tre_count); */ /* Set the page information for the buffer. We also need to fill in - * the DMA address for the buffer (something dma_map_sg() normally - * does). + * the DMA address and length for the buffer (something dma_map_sg() + * normally does). */ sg = &trans->sgl[which]; sg_set_buf(sg, buf, size); sg_dma_address(sg) = addr; + sg_dma_len(sg) = sg->length; info = &trans->info[which]; info->opcode = opcode; -- 2.20.1
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