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Message-Id: <20240320-dpaa2-v1-3-eb56e47c94ec@nxp.com>
Date: Wed, 20 Mar 2024 15:39:21 -0400
From: Frank Li <Frank.Li@....com>
To: Vinod Koul <vkoul@...nel.org>
Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: [PATCH 3/4] dmaengine: fsl-dpaa2-qdma: Add dpdmai_cmd_open
Introduce the structures dpdmai_cmd_open to maintain consistency within the
API calls of the driver.
Signed-off-by: Frank Li <Frank.Li@....com>
---
drivers/dma/fsl-dpaa2-qdma/dpdmai.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpdmai.c b/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
index 66a3953f0e3b1..610f6231835a8 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
+++ b/drivers/dma/fsl-dpaa2-qdma/dpdmai.c
@@ -33,6 +33,10 @@ struct dpdmai_rsp_get_tx_queue {
__le32 fqid;
};
+struct dpdmai_cmd_open {
+ __le32 dpdmai_id;
+} __packed;
+
static inline u64 mc_enc(int lsoffset, int width, u64 val)
{
return (val & MAKE_UMASK64(width)) << lsoffset;
@@ -58,16 +62,16 @@ static inline u64 mc_enc(int lsoffset, int width, u64 val)
int dpdmai_open(struct fsl_mc_io *mc_io, u32 cmd_flags,
int dpdmai_id, u16 *token)
{
+ struct dpdmai_cmd_open *cmd_params;
struct fsl_mc_command cmd = { 0 };
- __le64 *cmd_dpdmai_id;
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_OPEN,
cmd_flags, 0);
- cmd_dpdmai_id = cmd.params;
- *cmd_dpdmai_id = cpu_to_le32(dpdmai_id);
+ cmd_params = (struct dpdmai_cmd_open *)&cmd.params;
+ cmd_params->dpdmai_id = cpu_to_le32(dpdmai_id);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
--
2.34.1
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