mts-io: improve cleanup on module unload or init error

	remove unused attributes
	remove unused files
	clean up mtr2d2.c

1 files changed, 0 insertions, 49 deletions

diff --git a/io-module/mtr2d2.c b/io-module/mtr2d2.c
index 428d71c..7e44881 100644
--- a/io-module/mtr2d2.c
+++ b/io-module/mtr2d2.c
@@ -265,9 +265,6 @@ static struct gpio_pin gpio_pins_mtr2d2_0_0[] = {
 	{ },
 };
 
-static int mtr2d2_platform_attributes_max_size = 64;		// including NULL at end
-static int mtr2d2_platform_attributes_size = 21;
-
 static struct attribute *mtr2d2_platform_attributes[] = {
 	&dev_attr_vendor_id.attr,
 	&dev_attr_product_id.attr,
@@ -291,52 +288,6 @@ static struct attribute *mtr2d2_platform_attributes[] = {
 	&dev_attr_led_c_gpio.attr,
 	&dev_attr_led_d_gpio.attr,
 	&dev_attr_led_e_gpio.attr,
-
-	/* extra space for the accessory card attributes */
-	NULL,	    // index 20
-	NULL,	    // index 21
-	NULL,	    // index 22
-	NULL,	    // index 23
-	NULL,	    // index 24
-	NULL,	    // index 25
-	NULL,	    // index 26
-	NULL,	    // index 27
-	NULL,	    // index 28
-	NULL,	    // index 29
-	NULL,	    // index 30
-	NULL,	    // index 31
-	NULL,	    // index 32
-	NULL,	    // index 33
-	NULL,	    // index 34
-	NULL,	    // index 35
-	NULL,	    // index 36
-	NULL,	    // index 37
-	NULL,	    // index 38
-	NULL,	    // index 39
-	NULL,	    // index 40
-	NULL,	    // index 41
-	NULL,	    // index 42
-	NULL,	    // index 43
-	NULL,	    // index 44
-	NULL,	    // index 45
-	NULL,	    // index 46
-	NULL,	    // index 47
-	NULL,	    // index 48
-	NULL,	    // index 49
-	NULL,	    // index 50
-	NULL,	    // index 51
-	NULL,	    // index 52
-	NULL,	    // index 53
-	NULL,	    // index 54
-	NULL,	    // index 55
-	NULL,	    // index 56
-	NULL,	    // index 57
-	NULL,	    // index 58
-	NULL,	    // index 59
-	NULL,	    // index 60
-	NULL,	    // index 61
-	NULL,	    // index 62
-	NULL,	    // index 63
 	NULL,
 };