diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock.c')
-rw-r--r-- | arch/arm/mach-omap2/clock.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 5407b9549150..180f675c9064 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c | |||
@@ -111,7 +111,7 @@ static void omap2_clk_fixed_enable(struct clk *clk) | |||
111 | /* Enables clock without considering parent dependencies or use count | 111 | /* Enables clock without considering parent dependencies or use count |
112 | * REVISIT: Maybe change this to use clk->enable like on omap1? | 112 | * REVISIT: Maybe change this to use clk->enable like on omap1? |
113 | */ | 113 | */ |
114 | static int omap2_clk_enable(struct clk * clk) | 114 | static int _omap2_clk_enable(struct clk * clk) |
115 | { | 115 | { |
116 | u32 regval32; | 116 | u32 regval32; |
117 | 117 | ||
@@ -150,7 +150,7 @@ static void omap2_clk_fixed_disable(struct clk *clk) | |||
150 | } | 150 | } |
151 | 151 | ||
152 | /* Disables clock without considering parent dependencies or use count */ | 152 | /* Disables clock without considering parent dependencies or use count */ |
153 | static void omap2_clk_disable(struct clk *clk) | 153 | static void _omap2_clk_disable(struct clk *clk) |
154 | { | 154 | { |
155 | u32 regval32; | 155 | u32 regval32; |
156 | 156 | ||
@@ -167,23 +167,23 @@ static void omap2_clk_disable(struct clk *clk) | |||
167 | __raw_writel(regval32, clk->enable_reg); | 167 | __raw_writel(regval32, clk->enable_reg); |
168 | } | 168 | } |
169 | 169 | ||
170 | static int omap2_clk_use(struct clk *clk) | 170 | static int omap2_clk_enable(struct clk *clk) |
171 | { | 171 | { |
172 | int ret = 0; | 172 | int ret = 0; |
173 | 173 | ||
174 | if (clk->usecount++ == 0) { | 174 | if (clk->usecount++ == 0) { |
175 | if (likely((u32)clk->parent)) | 175 | if (likely((u32)clk->parent)) |
176 | ret = omap2_clk_use(clk->parent); | 176 | ret = omap2_clk_enable(clk->parent); |
177 | 177 | ||
178 | if (unlikely(ret != 0)) { | 178 | if (unlikely(ret != 0)) { |
179 | clk->usecount--; | 179 | clk->usecount--; |
180 | return ret; | 180 | return ret; |
181 | } | 181 | } |
182 | 182 | ||
183 | ret = omap2_clk_enable(clk); | 183 | ret = _omap2_clk_enable(clk); |
184 | 184 | ||
185 | if (unlikely(ret != 0) && clk->parent) { | 185 | if (unlikely(ret != 0) && clk->parent) { |
186 | omap2_clk_unuse(clk->parent); | 186 | omap2_clk_disable(clk->parent); |
187 | clk->usecount--; | 187 | clk->usecount--; |
188 | } | 188 | } |
189 | } | 189 | } |
@@ -191,12 +191,12 @@ static int omap2_clk_use(struct clk *clk) | |||
191 | return ret; | 191 | return ret; |
192 | } | 192 | } |
193 | 193 | ||
194 | static void omap2_clk_unuse(struct clk *clk) | 194 | static void omap2_clk_disable(struct clk *clk) |
195 | { | 195 | { |
196 | if (clk->usecount > 0 && !(--clk->usecount)) { | 196 | if (clk->usecount > 0 && !(--clk->usecount)) { |
197 | omap2_clk_disable(clk); | 197 | _omap2_clk_disable(clk); |
198 | if (likely((u32)clk->parent)) | 198 | if (likely((u32)clk->parent)) |
199 | omap2_clk_unuse(clk->parent); | 199 | omap2_clk_disable(clk->parent); |
200 | } | 200 | } |
201 | } | 201 | } |
202 | 202 | ||
@@ -873,7 +873,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) | |||
873 | reg = (void __iomem *)src_sel; | 873 | reg = (void __iomem *)src_sel; |
874 | 874 | ||
875 | if (clk->usecount > 0) | 875 | if (clk->usecount > 0) |
876 | omap2_clk_disable(clk); | 876 | _omap2_clk_disable(clk); |
877 | 877 | ||
878 | /* Set new source value (previous dividers if any in effect) */ | 878 | /* Set new source value (previous dividers if any in effect) */ |
879 | reg_val = __raw_readl(reg) & ~(field_mask << src_off); | 879 | reg_val = __raw_readl(reg) & ~(field_mask << src_off); |
@@ -884,7 +884,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) | |||
884 | __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL); | 884 | __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL); |
885 | 885 | ||
886 | if (clk->usecount > 0) | 886 | if (clk->usecount > 0) |
887 | omap2_clk_enable(clk); | 887 | _omap2_clk_enable(clk); |
888 | 888 | ||
889 | clk->parent = new_parent; | 889 | clk->parent = new_parent; |
890 | 890 | ||
@@ -999,8 +999,6 @@ static int omap2_select_table_rate(struct clk * clk, unsigned long rate) | |||
999 | static struct clk_functions omap2_clk_functions = { | 999 | static struct clk_functions omap2_clk_functions = { |
1000 | .clk_enable = omap2_clk_enable, | 1000 | .clk_enable = omap2_clk_enable, |
1001 | .clk_disable = omap2_clk_disable, | 1001 | .clk_disable = omap2_clk_disable, |
1002 | .clk_use = omap2_clk_use, | ||
1003 | .clk_unuse = omap2_clk_unuse, | ||
1004 | .clk_round_rate = omap2_clk_round_rate, | 1002 | .clk_round_rate = omap2_clk_round_rate, |
1005 | .clk_set_rate = omap2_clk_set_rate, | 1003 | .clk_set_rate = omap2_clk_set_rate, |
1006 | .clk_set_parent = omap2_clk_set_parent, | 1004 | .clk_set_parent = omap2_clk_set_parent, |
@@ -1045,7 +1043,7 @@ static void __init omap2_disable_unused_clocks(void) | |||
1045 | continue; | 1043 | continue; |
1046 | 1044 | ||
1047 | printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name); | 1045 | printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name); |
1048 | omap2_clk_disable(ck); | 1046 | _omap2_clk_disable(ck); |
1049 | } | 1047 | } |
1050 | } | 1048 | } |
1051 | late_initcall(omap2_disable_unused_clocks); | 1049 | late_initcall(omap2_disable_unused_clocks); |
@@ -1120,10 +1118,10 @@ int __init omap2_clk_init(void) | |||
1120 | * Only enable those clocks we will need, let the drivers | 1118 | * Only enable those clocks we will need, let the drivers |
1121 | * enable other clocks as necessary | 1119 | * enable other clocks as necessary |
1122 | */ | 1120 | */ |
1123 | clk_use(&sync_32k_ick); | 1121 | clk_enable(&sync_32k_ick); |
1124 | clk_use(&omapctrl_ick); | 1122 | clk_enable(&omapctrl_ick); |
1125 | if (cpu_is_omap2430()) | 1123 | if (cpu_is_omap2430()) |
1126 | clk_use(&sdrc_ick); | 1124 | clk_enable(&sdrc_ick); |
1127 | 1125 | ||
1128 | return 0; | 1126 | return 0; |
1129 | } | 1127 | } |