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Date: Tue, 24 Nov 2020 12:06:17 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: unlisted-recipients:; (no To-header on input)
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Daniel W. S. Almeida" <dwlsalmeida@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Subject: [PATCH 21/31] media: vidtv: simplify the crc writing logic
Cleanup the table_section_crc32_write_into() function
by initializing struct psi_write_args only once and by
passing the args as a pointer.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
drivers/media/test-drivers/vidtv/vidtv_psi.c | 39 +++++++++-----------
1 file changed, 18 insertions(+), 21 deletions(-)
diff --git a/drivers/media/test-drivers/vidtv/vidtv_psi.c b/drivers/media/test-drivers/vidtv/vidtv_psi.c
index 36f1c56d9e24..423b4fa2e473 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_psi.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_psi.c
@@ -254,26 +254,23 @@ static u32 vidtv_psi_ts_psi_write_into(struct psi_write_args *args)
return nbytes;
}
-static u32 table_section_crc32_write_into(struct crc32_write_args args)
+static u32 table_section_crc32_write_into(struct crc32_write_args *args)
{
- struct psi_write_args psi_args = {};
- u32 nbytes = 0;
+ struct psi_write_args psi_args = {
+ .dest_buf = args->dest_buf,
+ .from = &args->crc,
+ .len = CRC_SIZE_IN_BYTES,
+ .dest_offset = args->dest_offset,
+ .pid = args->pid,
+ .new_psi_section = false,
+ .continuity_counter = args->continuity_counter,
+ .is_crc = true,
+ .dest_buf_sz = args->dest_buf_sz,
+ };
/* the CRC is the last entry in the section */
- psi_args.dest_buf = args.dest_buf;
- psi_args.from = &args.crc;
- psi_args.len = CRC_SIZE_IN_BYTES;
- psi_args.dest_offset = args.dest_offset;
- psi_args.pid = args.pid;
- psi_args.new_psi_section = false;
- psi_args.continuity_counter = args.continuity_counter;
- psi_args.is_crc = true;
- psi_args.dest_buf_sz = args.dest_buf_sz;
-
- nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
-
- return nbytes;
+ return vidtv_psi_ts_psi_write_into(&psi_args);
}
static void vidtv_psi_desc_chain(struct vidtv_psi_desc *head, struct vidtv_psi_desc *desc)
@@ -1023,7 +1020,7 @@ u32 vidtv_psi_pat_write_into(struct vidtv_psi_pat_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
- nbytes += table_section_crc32_write_into(c_args);
+ nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@@ -1258,7 +1255,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
- nbytes += table_section_crc32_write_into(c_args);
+ nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@@ -1397,7 +1394,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC at the end */
- nbytes += table_section_crc32_write_into(c_args);
+ nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@@ -1754,7 +1751,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
- nbytes += table_section_crc32_write_into(c_args);
+ nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@@ -1944,7 +1941,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC at the end */
- nbytes += table_section_crc32_write_into(c_args);
+ nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
--
2.28.0
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