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>

diff --git a/drivers/media/test-drivers/vidtv/vidtv_mux.c b/drivers/media/test-drivers/vidtv/vidtv_mux.c
index 6df9cfd7f33bd374af7490a5170b2329dcb641ae..728ae7c7882783aea3c7491a0559a9c500494c93 100644 (file)
--- a/drivers/media/test-drivers/vidtv/vidtv_mux.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_mux.c
@@ -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);