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; -- cgit v1.1