Fix flash chip detection by using a volatile pointer

[osmocom-bb.git] / src / target / firmware / flash / cfi_flash.c

diff --git a/src/target/firmware/flash/cfi_flash.c b/src/target/firmware/flash/cfi_flash.c
index 4218db1..d255694 100644 (file)
--- a/src/target/firmware/flash/cfi_flash.c
+++ b/src/target/firmware/flash/cfi_flash.c
@@ -410,7 +410,7 @@ static int get_query(void *base_addr, struct cfi_query *query)
        for (i = 0; i < sizeof(struct cfi_query); i++) {
                uint16_t byte =
                        flash_read16(base_addr, CFI_OFFSET_CFI_RESP + i);
-               *(((unsigned char *)query) + i) = byte;
+               *(((volatile unsigned char *)query) + i) = byte;
        }
 
        if (query->qry[0] != 'Q' || query->qry[1] != 'R' || query->qry[2] != 'Y') {