[PATCH 23/31] media: vidtv: cleanup PSI table header function

From: Mauro Carvalho Chehab
Date: Tue Nov 24 2020 - 06:07:38 EST


- Pass struct header_write_args as a pointer, instead of
passing as a var;

- Initialize the psi_args struct only once.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
drivers/media/test-drivers/vidtv/vidtv_psi.c | 42 +++++++++-----------
1 file changed, 19 insertions(+), 23 deletions(-)

diff --git a/drivers/media/test-drivers/vidtv/vidtv_psi.c b/drivers/media/test-drivers/vidtv/vidtv_psi.c
index 754c32353ac2..1bc13b0d5fc6 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_psi.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_psi.c
@@ -754,26 +754,22 @@ static u32 vidtv_psi_desc_write_into(struct desc_write_args *args)
}

static u32
-vidtv_psi_table_header_write_into(struct header_write_args args)
+vidtv_psi_table_header_write_into(struct header_write_args *args)
{
- struct psi_write_args psi_args = {};
- /* the number of bytes written by this function */
- u32 nbytes = 0;
+ struct psi_write_args psi_args = {
+ .dest_buf = args->dest_buf,
+ .from = args->h,
+ .len = sizeof(struct vidtv_psi_table_header),
+ .dest_offset = args->dest_offset,
+ .pid = args->pid,
+ .new_psi_section = true,
+ .continuity_counter = args->continuity_counter,
+ .is_crc = false,
+ .dest_buf_sz = args->dest_buf_sz,
+ .crc = args->crc,
+ };

- psi_args.dest_buf = args.dest_buf;
- psi_args.from = args.h;
- psi_args.len = sizeof(struct vidtv_psi_table_header);
- psi_args.dest_offset = args.dest_offset;
- psi_args.pid = args.pid;
- psi_args.new_psi_section = true;
- psi_args.continuity_counter = args.continuity_counter;
- psi_args.is_crc = false;
- psi_args.dest_buf_sz = args.dest_buf_sz;
- psi_args.crc = args.crc;
-
- nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
-
- return nbytes;
+ return vidtv_psi_ts_psi_write_into(&psi_args);
}

void
@@ -985,7 +981,7 @@ u32 vidtv_psi_pat_write_into(struct vidtv_psi_pat_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;

- nbytes += vidtv_psi_table_header_write_into(h_args);
+ nbytes += vidtv_psi_table_header_write_into(&h_args);

/* note that the field 'u16 programs' is not really part of the PAT */

@@ -1182,7 +1178,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;

- nbytes += vidtv_psi_table_header_write_into(h_args);
+ nbytes += vidtv_psi_table_header_write_into(&h_args);

/* write the two bitfields */
psi_args.dest_buf = args.buf;
@@ -1334,7 +1330,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;

- nbytes += vidtv_psi_table_header_write_into(h_args);
+ nbytes += vidtv_psi_table_header_write_into(&h_args);

psi_args.dest_buf = args.buf;
psi_args.from = &args.sdt->network_id;
@@ -1670,7 +1666,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;

- nbytes += vidtv_psi_table_header_write_into(h_args);
+ nbytes += vidtv_psi_table_header_write_into(&h_args);

/* write the bitfield */
psi_args.dest_buf = args.buf;
@@ -1880,7 +1876,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;

- nbytes += vidtv_psi_table_header_write_into(h_args);
+ nbytes += vidtv_psi_table_header_write_into(&h_args);

psi_args.dest_buf = args.buf;
psi_args.from = &args.eit->transport_id;
--
2.28.0