drivers/jlink: Revert old workaround

[openocd.git] / src / jtag / drivers / jlink.c

diff --git a/src/jtag/drivers/jlink.c b/src/jtag/drivers/jlink.c
index 9d25eb42bfa387fbb96c10c891573a939114eaf2..e7bda1dc5036aad410efcd889c96b3d62106507f 100644 (file)
--- a/src/jtag/drivers/jlink.c
+++ b/src/jtag/drivers/jlink.c
@@ -507,28 +507,6 @@ static int jlink_init(void)
                return ERROR_JTAG_INIT_FAILED;
        }
 
-       /*
-        * The next three instructions were added after discovering a problem
-        * while using an oscilloscope.
-        * For the V8 SAM-ICE dongle (and likely other j-link device variants),
-        * the reset line to the target microprocessor was found to cycle only
-        * intermittently during emulator startup (even after encountering the
-        * downstream reset instruction later in the code).
-        * This was found to create two issues:
-        * 1) In general it is a bad practice to not reset a CPU to a known
-        * state when starting an emulator and
-        * 2) something critical happens inside the dongle when it does the
-        * first read following a new USB session.
-        * Keeping the processor in reset during the first read collecting
-        * version information seems to prevent errant
-        * "J-Link command EMU_CMD_VERSION failed" issues.
-        */
-
-       LOG_INFO("J-Link initialization started / target CPU reset initiated");
-       jlink_simple_command(EMU_CMD_HW_TRST0);
-       jlink_simple_command(EMU_CMD_HW_RESET0);
-       usleep(1000);
-
        jlink_hw_jtag_version = 2;
 
        if (jlink_get_version_info() == ERROR_OK) {