From fc5258962f9dd29247f1ec6dc980568d37942378 Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@openairinterface.org>
Date: Thu, 25 Jul 2024 17:12:08 +0200
Subject: [PATCH] nr_gen_ref_conj_symbols()/nr_ptrs_cpe_estimation(): const
 input

---
 openair1/PHY/NR_REFSIG/dmrs_nr.h    | 2 +-
 openair1/PHY/NR_REFSIG/nr_dmrs_rx.c | 2 +-
 openair1/PHY/NR_REFSIG/ptrs_nr.c    | 2 +-
 openair1/PHY/NR_REFSIG/ptrs_nr.h    | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/openair1/PHY/NR_REFSIG/dmrs_nr.h b/openair1/PHY/NR_REFSIG/dmrs_nr.h
index 2c1005a19b..5a3160857a 100644
--- a/openair1/PHY/NR_REFSIG/dmrs_nr.h
+++ b/openair1/PHY/NR_REFSIG/dmrs_nr.h
@@ -61,7 +61,7 @@ uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
                                         uint8_t numDmrsCdmGrpsNoData,
                                         uint8_t dmrs_type);
 
-void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order);
+void nr_gen_ref_conj_symbols(const uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order);
 int8_t get_next_dmrs_symbol_in_slot(uint16_t  ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol);
 uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask,  uint16_t nb_symb, uint8_t start);
 int8_t get_valid_dmrs_idx_for_channel_est(uint16_t  dmrs_symb_pos, uint8_t counter);
diff --git a/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c b/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
index 3352c5d3a6..4647b6ea1a 100644
--- a/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
+++ b/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
@@ -245,7 +245,7 @@ void nr_pbch_dmrs_rx(int symbol, const unsigned int *nr_gold_pbch, c16_t *output
   \param length is number of RE in a OFDM symbol
   \param *output pointer to all ptrs RE in a OFDM symbol
 */
-void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, c16_t *output, uint16_t offset, int mod_order)
+void nr_gen_ref_conj_symbols(const uint32_t *in, uint32_t length, c16_t *output, uint16_t offset, int mod_order)
 {
   uint8_t idx, b_idx;
   for (int i=0; i<length/mod_order; i++)
diff --git a/openair1/PHY/NR_REFSIG/ptrs_nr.c b/openair1/PHY/NR_REFSIG/ptrs_nr.c
index f95302918c..80d99088a1 100644
--- a/openair1/PHY/NR_REFSIG/ptrs_nr.c
+++ b/openair1/PHY/NR_REFSIG/ptrs_nr.c
@@ -191,7 +191,7 @@ void nr_ptrs_cpe_estimation(uint8_t K_ptrs,
                             unsigned char symbol,
                             uint16_t ofdm_symbol_size,
                             int16_t *rxF_comp,
-                            uint32_t *gold_seq,
+                            const uint32_t *gold_seq,
                             int16_t *error_est,
                             int32_t *ptrs_sc)
 {
diff --git a/openair1/PHY/NR_REFSIG/ptrs_nr.h b/openair1/PHY/NR_REFSIG/ptrs_nr.h
index eca50feace..2230cc6fab 100644
--- a/openair1/PHY/NR_REFSIG/ptrs_nr.h
+++ b/openair1/PHY/NR_REFSIG/ptrs_nr.h
@@ -95,7 +95,7 @@ void nr_ptrs_cpe_estimation(uint8_t K_ptrs,
                             unsigned char symbol,
                             uint16_t ofdm_symbol_size,
                             int16_t *rxF_comp,
-                            uint32_t *gold_seq,
+                            const uint32_t *gold_seq,
                             int16_t *error_est,
                             int32_t *ptrs_sc);