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media: vidtv: pre-initialize mux arrays 

Instead of first zeroing all fields at the mux structs and
then filling, do some initialization for the const data
when they're created.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-11-20 10:51:50 +01:00
parent 330d135679
commit c857b065ab
1 changed files with 26 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
drivers/media/test-drivers/vidtv/vidtv_mux.c
View File

@ -129,11 +129,32 @@ static void vidtv_mux_update_clk(struct vidtv_mux *m)
static u32 vidtv_mux_push_si(struct vidtv_mux *m)
{
struct vidtv_psi_pat_write_args pat_args = {};
struct vidtv_psi_pmt_write_args pmt_args = {};
struct vidtv_psi_sdt_write_args sdt_args = {};
struct vidtv_psi_nit_write_args nit_args = {};
struct vidtv_psi_eit_write_args eit_args = {};
struct vidtv_psi_pat_write_args pat_args = {
.buf = m->mux_buf,
.buf_sz = m->mux_buf_sz,
.pat = m->si.pat,
};
struct vidtv_psi_pmt_write_args pmt_args = {
.buf = m->mux_buf,
.buf_sz = m->mux_buf_sz,
.pcr_pid = m->pcr_pid,
};
struct vidtv_psi_sdt_write_args sdt_args = {
.buf = m->mux_buf,
.buf_sz = m->mux_buf_sz,
.sdt = m->si.sdt,
};
struct vidtv_psi_nit_write_args nit_args = {
.buf = m->mux_buf,
.buf_sz = m->mux_buf_sz,
.nit = m->si.nit,
};
struct vidtv_psi_eit_write_args eit_args = {
.buf = m->mux_buf,
.buf_sz = m->mux_buf_sz,
.eit = m->si.eit,
};
u32 initial_offset = m->mux_buf_offset;
struct vidtv_mux_pid_ctx *pat_ctx;
struct vidtv_mux_pid_ctx *pmt_ctx;
@ -149,10 +170,7 @@ static u32 vidtv_mux_push_si(struct vidtv_mux *m)
nit_ctx = vidtv_mux_get_pid_ctx(m, VIDTV_NIT_PID);
eit_ctx = vidtv_mux_get_pid_ctx(m, VIDTV_EIT_PID);
pat_args.buf = m->mux_buf;
pat_args.offset = m->mux_buf_offset;
pat_args.pat = m->si.pat;
pat_args.buf_sz = m->mux_buf_sz;
pat_args.continuity_counter = &pat_ctx->cc;
m->mux_buf_offset += vidtv_psi_pat_write_into(pat_args);
@ -169,38 +187,26 @@ static u32 vidtv_mux_push_si(struct vidtv_mux *m)
pmt_ctx = vidtv_mux_get_pid_ctx(m, pmt_pid);
pmt_args.buf = m->mux_buf;
pmt_args.offset = m->mux_buf_offset;
pmt_args.pmt = m->si.pmt_secs[i];
pmt_args.pid = pmt_pid;
pmt_args.buf_sz = m->mux_buf_sz;
pmt_args.continuity_counter = &pmt_ctx->cc;
pmt_args.pcr_pid = m->pcr_pid;
/* write each section into buffer */
m->mux_buf_offset += vidtv_psi_pmt_write_into(pmt_args);
}
sdt_args.buf = m->mux_buf;
sdt_args.offset = m->mux_buf_offset;
sdt_args.sdt = m->si.sdt;
sdt_args.buf_sz = m->mux_buf_sz;
sdt_args.continuity_counter = &sdt_ctx->cc;
m->mux_buf_offset += vidtv_psi_sdt_write_into(sdt_args);
nit_args.buf = m->mux_buf;
nit_args.offset = m->mux_buf_offset;
nit_args.nit = m->si.nit;
nit_args.buf_sz = m->mux_buf_sz;
nit_args.continuity_counter = &nit_ctx->cc;
m->mux_buf_offset += vidtv_psi_nit_write_into(nit_args);
eit_args.buf = m->mux_buf;
eit_args.offset = m->mux_buf_offset;
eit_args.eit = m->si.eit;
eit_args.buf_sz = m->mux_buf_sz;
eit_args.continuity_counter = &eit_ctx->cc;
m->mux_buf_offset += vidtv_psi_eit_write_into(eit_args);