Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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@nxp.com>
Link: https://lore.kernel.org/r/20240320-dpaa2-v1-3-eb56e47c94ec@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
Frank Li
and committed by
Vinod Koul
ebf85069
26a4d2ae
+7
-3
+7
-3
drivers/dma/fsl-dpaa2-qdma/dpdmai.c
+7
-3
drivers/dma/fsl-dpaa2-qdma/dpdmai.c
···
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__le32 fqid;
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};
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+
struct dpdmai_cmd_open {
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__le32 dpdmai_id;
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} __packed;
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static inline u64 mc_enc(int lsoffset, int width, u64 val)
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{
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return (val & MAKE_UMASK64(width)) << lsoffset;
···
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int dpdmai_open(struct fsl_mc_io *mc_io, u32 cmd_flags,
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int dpdmai_id, u16 *token)
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{
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struct dpdmai_cmd_open *cmd_params;
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struct fsl_mc_command cmd = { 0 };
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__le64 *cmd_dpdmai_id;
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_OPEN,
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cmd_flags, 0);
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-
cmd_dpdmai_id = cmd.params;
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*cmd_dpdmai_id = cpu_to_le32(dpdmai_id);
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cmd_params = (struct dpdmai_cmd_open *)&cmd.params;
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cmd_params->dpdmai_id = cpu_to_le32(dpdmai_id);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);