31  * struct mstp_clock_group - MSTP gating clocks group
33  * @data: clock specifier translation for clocks in this group
38  * @clks: clocks in this group
53  * @group: MSTP clocks group
58 	struct mstp_clock_group *group;  member
63 static inline u32 cpg_mstp_read(struct mstp_clock_group *group,  in cpg_mstp_read()  argument
66 	return group->width_8bit ? readb(reg) : readl(reg);  in cpg_mstp_read()
69 static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val,  in cpg_mstp_write()  argument
72 	group->width_8bit ? writeb(val, reg) : writel(val, reg);  in cpg_mstp_write()
78 	struct mstp_clock_group *group = clock->group;  in cpg_mstp_clock_endisable()  local
84 	spin_lock_irqsave(&group->lock, flags);  in cpg_mstp_clock_endisable()
86 	value = cpg_mstp_read(group, group->smstpcr);  in cpg_mstp_clock_endisable()
91 	cpg_mstp_write(group, value, group->smstpcr);  in cpg_mstp_clock_endisable()
93 	if (!group->mstpsr) {  in cpg_mstp_clock_endisable()
95 		cpg_mstp_read(group, group->smstpcr);  in cpg_mstp_clock_endisable()
96 		barrier_data(group->smstpcr);  in cpg_mstp_clock_endisable()
99 	spin_unlock_irqrestore(&group->lock, flags);  in cpg_mstp_clock_endisable()
101 	if (!enable || !group->mstpsr)  in cpg_mstp_clock_endisable()
105 		if (!(cpg_mstp_read(group, group->mstpsr) & bitmask))  in cpg_mstp_clock_endisable()
112 		       group->smstpcr, clock->bit_index);  in cpg_mstp_clock_endisable()
132 	struct mstp_clock_group *group = clock->group;  in cpg_mstp_clock_is_enabled()  local
135 	if (group->mstpsr)  in cpg_mstp_clock_is_enabled()
136 		value = cpg_mstp_read(group, group->mstpsr);  in cpg_mstp_clock_is_enabled()
138 		value = cpg_mstp_read(group, group->smstpcr);  in cpg_mstp_clock_is_enabled()
151 	struct mstp_clock_group *group)  in cpg_mstp_clock_register()  argument
173 	clock->group = group;  in cpg_mstp_clock_register()
186 	struct mstp_clock_group *group;  in cpg_mstp_clocks_init()  local
191 	group = kzalloc(struct_size(group, clks, MSTP_MAX_CLOCKS), GFP_KERNEL);  in cpg_mstp_clocks_init()
192 	if (!group)  in cpg_mstp_clocks_init()
195 	clks = group->clks;  in cpg_mstp_clocks_init()
196 	spin_lock_init(&group->lock);  in cpg_mstp_clocks_init()
197 	group->data.clks = clks;  in cpg_mstp_clocks_init()
199 	group->smstpcr = of_iomap(np, 0);  in cpg_mstp_clocks_init()
200 	group->mstpsr = of_iomap(np, 1);  in cpg_mstp_clocks_init()
202 	if (group->smstpcr == NULL) {  in cpg_mstp_clocks_init()
204 		kfree(group);  in cpg_mstp_clocks_init()
209 		group->width_8bit = true;  in cpg_mstp_clocks_init()
243 						       clkidx, group);  in cpg_mstp_clocks_init()
245 			group->data.clk_num = max(group->data.clk_num,  in cpg_mstp_clocks_init()
262 	of_clk_add_provider(np, of_clk_src_onecell_get, &group->data);  in cpg_mstp_clocks_init()