From e5e81856b4821932481ff4f349b7557e84038a04 Mon Sep 17 00:00:00 2001
From: Bert Vermeulen <bert@biot.com>
Date: Fri, 13 Jul 2012 13:26:30 +0200
Subject: [PATCH] ols: use driver struct-based device instance list

---
 hardware/openbench-logic-sniffer/ols.c | 27 ++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c
index bcbba5df..e98a230f 100644
--- a/hardware/openbench-logic-sniffer/ols.c
+++ b/hardware/openbench-logic-sniffer/ols.c
@@ -100,8 +100,8 @@ static const struct sr_samplerates samplerates = {
 	NULL,
 };
 
-/* List of struct sr_dev_inst. */
-static GSList *dev_insts = NULL;
+SR_PRIV struct sr_dev_driver ols_driver_info;
+static struct sr_dev_driver *odi = &ols_driver_info;
 
 static int send_shortcommand(int fd, uint8_t command)
 {
@@ -459,7 +459,9 @@ static int hw_scan(void)
 			sdi->priv = ctx;
 		}
 		ctx->serial = sr_serial_dev_inst_new(dev_names[i], -1);
-		dev_insts = g_slist_append(dev_insts, sdi);
+		odi->instances = g_slist_append(odi->instances, sdi);
+		devices = g_slist_append(devices, sdi);
+
 		final_devcnt++;
 		serial_close(fds[i].fd);
 		fds[i].fd = 0;
@@ -491,7 +493,7 @@ static int hw_dev_open(int dev_index)
 	struct sr_dev_inst *sdi;
 	struct context *ctx;
 
-	if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
+	if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
 		return SR_ERR;
 
 	ctx = sdi->priv;
@@ -510,7 +512,7 @@ static int hw_dev_close(int dev_index)
 	struct sr_dev_inst *sdi;
 	struct context *ctx;
 
-	if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
+	if (!(sdi = sr_dev_inst_get(odi->instances, dev_index))) {
 		sr_err("ols: %s: sdi was NULL", __func__);
 		return SR_ERR_BUG;
 	}
@@ -535,7 +537,7 @@ static int hw_cleanup(void)
 	int ret = SR_OK;
 
 	/* Properly close and free all devices. */
-	for (l = dev_insts; l; l = l->next) {
+	for (l = odi->instances; l; l = l->next) {
 		if (!(sdi = l->data)) {
 			/* Log error, but continue cleaning up the rest. */
 			sr_err("ols: %s: sdi was NULL, continuing", __func__);
@@ -555,8 +557,8 @@ static int hw_cleanup(void)
 		sr_serial_dev_inst_free(ctx->serial);
 		sr_dev_inst_free(sdi);
 	}
-	g_slist_free(dev_insts);
-	dev_insts = NULL;
+	g_slist_free(odi->instances);
+	odi->instances = NULL;
 
 	return ret;
 }
@@ -600,7 +602,7 @@ static int hw_dev_status_get(int dev_index)
 {
 	struct sr_dev_inst *sdi;
 
-	if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
+	if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
 		return SR_ST_NOT_FOUND;
 
 	return sdi->status;
@@ -650,7 +652,7 @@ static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
 	int ret;
 	const uint64_t *tmp_u64;
 
-	if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
+	if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
 		return SR_ERR;
 	ctx = sdi->priv;
 
@@ -708,7 +710,7 @@ static int receive_data(int fd, int revents, void *cb_data)
 
 	/* Find this device's ctx struct by its fd. */
 	ctx = NULL;
-	for (l = dev_insts; l; l = l->next) {
+	for (l = odi->instances; l; l = l->next) {
 		sdi = l->data;
 		ctx = sdi->priv;
 		if (ctx->serial->fd == fd) {
@@ -890,7 +892,7 @@ static int hw_dev_acquisition_start(int dev_index, void *cb_data)
 	int num_channels;
 	int i;
 
-	if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
+	if (!(sdi = sr_dev_inst_get(odi->instances, dev_index)))
 		return SR_ERR;
 
 	ctx = sdi->priv;
@@ -1064,4 +1066,5 @@ SR_PRIV struct sr_dev_driver ols_driver_info = {
 	.dev_config_set = hw_dev_config_set,
 	.dev_acquisition_start = hw_dev_acquisition_start,
 	.dev_acquisition_stop = hw_dev_acquisition_stop,
+	.instances = NULL,
 };