From 205f777b328f34f5a06bdaf5325a766601f01677 Mon Sep 17 00:00:00 2001
From: knolax <1339802534.kk@gmail.com>
Date: Fri, 8 Dec 2017 11:29:39 -0500
Subject: added a counter that printks every second, the previous kernel panics
may have been caused by excessive use of printk.
---
skey.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/skey.c b/skey.c
index f369c84..e252cec 100644
--- a/skey.c
+++ b/skey.c
@@ -9,7 +9,7 @@
* defines whether to access the gpios so other parts of the kernel module can
* be tested on systems w/o the prerequisite GPIOs
*/
-#define USE_GPIO 1
+#define USE_GPIO 0
/*
* Unsigned ints containing the BCM pin numbers for the pins used, __initdata
* helps with the loading and unloading of data in memory
@@ -38,7 +38,14 @@ int skey_update_thread (void *data) {
if (!USE_GPIO) {
printk(KERN_ALERT "skey: currently in test mode with gpio use disabled\n");
}
+ //a counter for testing prints
+ int i = 0;
while (1) {
+ i++;
+ i = i % 500;
+ if (!i) {
+ printk(KERN_INFO "skey: update thread printed to kernel log every 1s\n");
+ }
if (USE_GPIO) {
//reads the keyboard
int row_index = 0;
--
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