From: Paul Fertser <fercerpav@gmail.com>
Date: Sat, 31 Dec 2016 18:01:52 +0000 (+0300)
Subject: jtag: drivers: sysfsgpio, bcm2835gpio: remove requirement to have trst or srst
X-Git-Tag: v0.11.0-rc1~1285
X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=85ac081c221b0b3d0664f318d05d9b200f8f61da

jtag: drivers: sysfsgpio, bcm2835gpio: remove requirement to have trst or srst

This doesn't seem to make any sense.

Change-Id: I272de0ea3c0e86cc9a798cbd864050aaa597c3f0
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/3933
Tested-by: jenkins
---

diff --git a/src/jtag/drivers/bcm2835gpio.c b/src/jtag/drivers/bcm2835gpio.c
index a41caf073b..a4d0a1c8e7 100644
--- a/src/jtag/drivers/bcm2835gpio.c
+++ b/src/jtag/drivers/bcm2835gpio.c
@@ -432,10 +432,6 @@ static int bcm2835gpio_init(void)
 			LOG_INFO("JTAG and SWD modes enabled");
 		else
 			LOG_INFO("JTAG only mode enabled (specify swclk and swdio gpio to add SWD mode)");
-		if (!is_gpio_valid(trst_gpio) && !is_gpio_valid(srst_gpio)) {
-			LOG_ERROR("Require at least one of trst or srst gpios to be specified");
-			return ERROR_JTAG_INIT_FAILED;
-		}
 	} else if (bcm2835gpio_swd_mode_possible()) {
 		LOG_INFO("SWD only mode enabled (specify tck, tms, tdi and tdo gpios to add JTAG mode)");
 	} else {
diff --git a/src/jtag/drivers/sysfsgpio.c b/src/jtag/drivers/sysfsgpio.c
index 77b727c270..b8acfa2fc3 100644
--- a/src/jtag/drivers/sysfsgpio.c
+++ b/src/jtag/drivers/sysfsgpio.c
@@ -592,10 +592,6 @@ static int sysfsgpio_init(void)
 			LOG_INFO("JTAG and SWD modes enabled");
 		else
 			LOG_INFO("JTAG only mode enabled (specify swclk and swdio gpio to add SWD mode)");
-		if (!is_gpio_valid(trst_gpio) && !is_gpio_valid(srst_gpio)) {
-			LOG_ERROR("Require at least one of trst or srst gpios to be specified");
-			return ERROR_JTAG_INIT_FAILED;
-		}
 	} else if (sysfsgpio_swd_mode_possible()) {
 		LOG_INFO("SWD only mode enabled (specify tck, tms, tdi and tdo gpios to add JTAG mode)");
 	} else {