read_debug32: Use a pointer instead of returning the value

[fw/stlink] / src / stlink-sg.c

diff --git a/src/stlink-sg.c b/src/stlink-sg.c
index b16a2edfc8c8ee2aff173d791e80b7d505d140b3..3fdc0bde5b85b23949c8ed0b57f5e83b295bcdde 100644 (file)
--- a/src/stlink-sg.c
+++ b/src/stlink-sg.c
@@ -811,7 +811,7 @@ void _stlink_sg_write_debug32(stlink_t *sl, uint32_t addr, uint32_t data) {
 
 // Read one DWORD data from memory
 
-uint32_t _stlink_sg_read_debug32(stlink_t *sl, uint32_t addr) {
+void _stlink_sg_read_debug32(stlink_t *sl, uint32_t addr, uint32_t *data) {
     struct stlink_libsg *sg = sl->backend_data;
     clear_cdb(sg);
     sg->cdb_cmd_blk[1] = STLINK_JTAG_READDEBUG_32BIT;
@@ -820,7 +820,8 @@ uint32_t _stlink_sg_read_debug32(stlink_t *sl, uint32_t addr) {
     sl->q_len = 8;
     stlink_q(sl);
 
-    return read_uint32(sl->q_buf, 4);
+    *data = read_uint32(sl->q_buf, 4);
+    return;
 }
 
 // Exit the jtag or swd mode and enter the mass mode.