9 #include <linux/interconnect.h>
36  * struct ipa_interconnect - IPA interconnect information
37  * @path:		Interconnect path
38  * @average_bandwidth:	Average interconnect bandwidth (KB/second)
39  * @peak_bandwidth:	Peak interconnect bandwidth (KB/second)
69  * @interconnect_count:	Number of elements in interconnect[]
70  * @interconnect:	Interconnect array
78 	struct ipa_interconnect *interconnect;  member
82 				     struct ipa_interconnect *interconnect,  in ipa_interconnect_init_one()  argument
91 		dev_err_probe(dev, ret, "error getting %s interconnect\n",  in ipa_interconnect_init_one()
97 	interconnect->path = path;  in ipa_interconnect_init_one()
98 	interconnect->average_bandwidth = data->average_bandwidth;  in ipa_interconnect_init_one()
99 	interconnect->peak_bandwidth = data->peak_bandwidth;  in ipa_interconnect_init_one()
104 static void ipa_interconnect_exit_one(struct ipa_interconnect *interconnect)  in ipa_interconnect_exit_one()  argument
106 	icc_put(interconnect->path);  in ipa_interconnect_exit_one()
107 	memset(interconnect, 0, sizeof(*interconnect));  in ipa_interconnect_exit_one()
114 	struct ipa_interconnect *interconnect;  in ipa_interconnect_init()  local
119 	interconnect = kcalloc(count, sizeof(*interconnect), GFP_KERNEL);  in ipa_interconnect_init()
120 	if (!interconnect)  in ipa_interconnect_init()
122 	power->interconnect = interconnect;  in ipa_interconnect_init()
125 		ret = ipa_interconnect_init_one(dev, interconnect, data++);  in ipa_interconnect_init()
128 		interconnect++;  in ipa_interconnect_init()
134 	while (interconnect-- > power->interconnect)  in ipa_interconnect_init()
135 		ipa_interconnect_exit_one(interconnect);  in ipa_interconnect_init()
136 	kfree(power->interconnect);  in ipa_interconnect_init()
137 	power->interconnect = NULL;  in ipa_interconnect_init()
145 	struct ipa_interconnect *interconnect;  in ipa_interconnect_exit()  local
147 	interconnect = power->interconnect + power->interconnect_count;  in ipa_interconnect_exit()
148 	while (interconnect-- > power->interconnect)  in ipa_interconnect_exit()
149 		ipa_interconnect_exit_one(interconnect);  in ipa_interconnect_exit()
150 	kfree(power->interconnect);  in ipa_interconnect_exit()
151 	power->interconnect = NULL;  in ipa_interconnect_exit()
157 	struct ipa_interconnect *interconnect;  in ipa_interconnect_enable()  local
162 	interconnect = power->interconnect;  in ipa_interconnect_enable()
164 		ret = icc_set_bw(interconnect->path,  in ipa_interconnect_enable()
165 				 interconnect->average_bandwidth,  in ipa_interconnect_enable()
166 				 interconnect->peak_bandwidth);  in ipa_interconnect_enable()
169 				"error %d enabling %s interconnect\n",  in ipa_interconnect_enable()
170 				ret, icc_get_name(interconnect->path));  in ipa_interconnect_enable()
173 		interconnect++;  in ipa_interconnect_enable()
179 	while (interconnect-- > power->interconnect)  in ipa_interconnect_enable()
180 		(void)icc_set_bw(interconnect->path, 0, 0);  in ipa_interconnect_enable()
185 /* To disable an interconnect, we just its bandwidth to 0 */
188 	struct ipa_interconnect *interconnect;  in ipa_interconnect_disable()  local
196 	interconnect = power->interconnect + count;  in ipa_interconnect_disable()
198 		interconnect--;  in ipa_interconnect_disable()
199 		ret = icc_set_bw(interconnect->path, 0, 0);  in ipa_interconnect_disable()
201 			dev_err(dev, "error %d disabling %s interconnect\n",  in ipa_interconnect_disable()
202 				ret, icc_get_name(interconnect->path));  in ipa_interconnect_disable()