mts-io: reorganize accessory card attributes, move them into subdirs under mts-io

	subdirs named ap1, ap2, etc
	create links to subdirs with name of card in port, e.g. gpiob, mfser, eth, etc
	if 2 of same type of card, still make links but use gpiob-2, mfser-2, etc

1 files changed, 11 insertions, 17 deletions

diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 15a70a3..048f96d 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -78,14 +78,14 @@ static struct mts_id_eeprom_layout id_eeprom;
 /* accessory card EEPROMs */
 extern uint8_t mts_ap_eeprom[NUM_AP][512];
 static struct mts_ap_eeprom_layout ap_eeprom[NUM_AP];
+/* kobject pointers for the apX subdirectories that correspond to the accessory ports */
+static struct kobject *ap_subdirs[NUM_AP];
+/* attribute groups for the accessory ports*/
+static struct attribute_group ap_attr_groups[NUM_AP];
 #endif
 
 static struct ap_info* port_info[NUM_AP];
 
-static struct attribute **device_attrs;
-static size_t device_attrs_size;
-static size_t device_attrs_max_size;
-
 static uint8_t mts_product_id;
 static uint8_t has_spi_sout;
 static uint8_t has_spi_din;
@@ -546,12 +546,6 @@ static int mts_id_eeprom_load(void)
 		has_spi_temp = 0;
 		log_info("detected board %s", HW_VERSION_MTR_0_1);
 	} else if (strncmp(id_eeprom.hw_version, HW_VERSION_MTR2D2_0_0, strlen(HW_VERSION_MTR2D2_0_0)) == 0) {
-		// need to put any accessory card attributes into this list so they show up in sysfs
-		// the port_info->setup callback does this
-		device_attrs = mtr2d2_platform_attributes;
-		device_attrs_size = mtr2d2_platform_attributes_size;
-		device_attrs_max_size = mtr2d2_platform_attributes_max_size;
-
 		attr_group = &mtr2d2_platform_attribute_group;
 		gpio_pins = gpio_pins_mtr2d2_0_0;
 		mts_product_id = MTR2D2_0_0;
@@ -628,13 +622,6 @@ static int __init mts_io_init(void)
 		goto error1;
 	}
 
-	if (NUM_AP) {
-		for (port = 0; port < NUM_AP; port++) {
-			port_info[port] = NULL;
-		}
-		init_accessory_ports();
-	}
-
 	mts_io_platform_device = platform_device_alloc(PLATFORM_NAME, -1);
 	if (!mts_io_platform_device) {
 		ret = -ENOMEM;
@@ -655,6 +642,13 @@ static int __init mts_io_init(void)
 		goto error3;
 	}
 
+	if (NUM_AP) {
+		for (port = 0; port < NUM_AP; port++) {
+			port_info[port] = NULL;
+		}
+		init_accessory_ports();
+	}
+
 	ret = sysfs_create_group(&mts_io_platform_device->dev.kobj, attr_group);
 	if (ret) {
 		goto error4;