From: Paul Fertser <fercerpav@gmail.com>
Date: Thu, 26 Apr 2018 16:21:30 +0000 (+0300)
Subject: jtag: drivers: sysfsgpio: lift upper gpio number limit
X-Git-Tag: v0.11.0-rc1~1115
X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=cdf1e826eb23c29de1019ce64125f644f01b0afe

jtag: drivers: sysfsgpio: lift upper gpio number limit

Recent Linux maps GPIOs from 1023 downwards so do not limit the number
to 1000.

This should fix #183.

Change-Id: I6d4f493b670be9ed9b82759f0fb686a9faddbbf5
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/4502
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
---

diff --git a/src/jtag/drivers/sysfsgpio.c b/src/jtag/drivers/sysfsgpio.c
index 5a4651df19..5535c71d8b 100644
--- a/src/jtag/drivers/sysfsgpio.c
+++ b/src/jtag/drivers/sysfsgpio.c
@@ -58,11 +58,11 @@
 /*
  * Helper func to determine if gpio number valid
  *
- * Assume here that there will be less than 1000 gpios on a system
+ * Assume here that there will be less than 10000 gpios on a system
  */
 static int is_gpio_valid(int gpio)
 {
-	return gpio >= 0 && gpio < 1000;
+	return gpio >= 0 && gpio < 10000;
 }
 
 /*
@@ -89,7 +89,7 @@ static int open_write_close(const char *name, const char *valstr)
  */
 static void unexport_sysfs_gpio(int gpio)
 {
-	char gpiostr[4];
+	char gpiostr[5];
 
 	if (!is_gpio_valid(gpio))
 		return;
@@ -113,7 +113,7 @@ static void unexport_sysfs_gpio(int gpio)
 static int setup_sysfs_gpio(int gpio, int is_output, int init_high)
 {
 	char buf[40];
-	char gpiostr[4];
+	char gpiostr[5];
 	int ret;
 
 	if (!is_gpio_valid(gpio))