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authorPaul Walmsley <paul@pwsan.com>2010-01-26 22:13:04 -0500
committerPaul Walmsley <paul@pwsan.com>2010-01-26 22:13:04 -0500
commit4b1f76ed4f8012929494261eb6923b3c98554a9a (patch)
tree16dc0c3c443fdf01791519ea7590f94b4868fa56 /arch
parentdf791b3ebf181b3eece9c770565fcf0844bbd7cb (diff)
OMAP2 clock: move all static functions to the top of the file
Move static functions to the top of the file and ensure that their names are prefixed with an underscore to conform with the practice in the newer OMAP clock code files. Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/clock.c88
1 files changed, 46 insertions, 42 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index d3ebb74873f8..0d54fde5b455 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -42,6 +42,51 @@ u8 cpu_mask;
42 * OMAP2/3/4 specific clock functions 42 * OMAP2/3/4 specific clock functions
43 *-------------------------------------------------------------------------*/ 43 *-------------------------------------------------------------------------*/
44 44
45/* Private functions */
46
47/**
48 * _omap2_module_wait_ready - wait for an OMAP module to leave IDLE
49 * @clk: struct clk * belonging to the module
50 *
51 * If the necessary clocks for the OMAP hardware IP block that
52 * corresponds to clock @clk are enabled, then wait for the module to
53 * indicate readiness (i.e., to leave IDLE). This code does not
54 * belong in the clock code and will be moved in the medium term to
55 * module-dependent code. No return value.
56 */
57static void _omap2_module_wait_ready(struct clk *clk)
58{
59 void __iomem *companion_reg, *idlest_reg;
60 u8 other_bit, idlest_bit;
61
62 /* Not all modules have multiple clocks that their IDLEST depends on */
63 if (clk->ops->find_companion) {
64 clk->ops->find_companion(clk, &companion_reg, &other_bit);
65 if (!(__raw_readl(companion_reg) & (1 << other_bit)))
66 return;
67 }
68
69 clk->ops->find_idlest(clk, &idlest_reg, &idlest_bit);
70
71 omap2_cm_wait_idlest(idlest_reg, (1 << idlest_bit), clk->name);
72}
73
74/* Enables clock without considering parent dependencies or use count
75 * REVISIT: Maybe change this to use clk->enable like on omap1?
76 */
77static int _omap2_clk_enable(struct clk *clk)
78{
79 return clk->ops->enable(clk);
80}
81
82/* Disables clock without considering parent dependencies or use count */
83static void _omap2_clk_disable(struct clk *clk)
84{
85 clk->ops->disable(clk);
86}
87
88/* Public functions */
89
45/** 90/**
46 * omap2xxx_clk_commit - commit clock parent/rate changes in hardware 91 * omap2xxx_clk_commit - commit clock parent/rate changes in hardware
47 * @clk: struct clk * 92 * @clk: struct clk *
@@ -149,33 +194,6 @@ void omap2_clk_dflt_find_idlest(struct clk *clk, void __iomem **idlest_reg,
149 *idlest_bit = clk->enable_bit; 194 *idlest_bit = clk->enable_bit;
150} 195}
151 196
152/**
153 * omap2_module_wait_ready - wait for an OMAP module to leave IDLE
154 * @clk: struct clk * belonging to the module
155 *
156 * If the necessary clocks for the OMAP hardware IP block that
157 * corresponds to clock @clk are enabled, then wait for the module to
158 * indicate readiness (i.e., to leave IDLE). This code does not
159 * belong in the clock code and will be moved in the medium term to
160 * module-dependent code. No return value.
161 */
162static void omap2_module_wait_ready(struct clk *clk)
163{
164 void __iomem *companion_reg, *idlest_reg;
165 u8 other_bit, idlest_bit;
166
167 /* Not all modules have multiple clocks that their IDLEST depends on */
168 if (clk->ops->find_companion) {
169 clk->ops->find_companion(clk, &companion_reg, &other_bit);
170 if (!(__raw_readl(companion_reg) & (1 << other_bit)))
171 return;
172 }
173
174 clk->ops->find_idlest(clk, &idlest_reg, &idlest_bit);
175
176 omap2_cm_wait_idlest(idlest_reg, (1 << idlest_bit), clk->name);
177}
178
179int omap2_dflt_clk_enable(struct clk *clk) 197int omap2_dflt_clk_enable(struct clk *clk)
180{ 198{
181 u32 v; 199 u32 v;
@@ -195,7 +213,7 @@ int omap2_dflt_clk_enable(struct clk *clk)
195 v = __raw_readl(clk->enable_reg); /* OCP barrier */ 213 v = __raw_readl(clk->enable_reg); /* OCP barrier */
196 214
197 if (clk->ops->find_idlest) 215 if (clk->ops->find_idlest)
198 omap2_module_wait_ready(clk); 216 _omap2_module_wait_ready(clk);
199 217
200 return 0; 218 return 0;
201} 219}
@@ -235,20 +253,6 @@ const struct clkops clkops_omap2_dflt = {
235 .disable = omap2_dflt_clk_disable, 253 .disable = omap2_dflt_clk_disable,
236}; 254};
237 255
238/* Enables clock without considering parent dependencies or use count
239 * REVISIT: Maybe change this to use clk->enable like on omap1?
240 */
241static int _omap2_clk_enable(struct clk *clk)
242{
243 return clk->ops->enable(clk);
244}
245
246/* Disables clock without considering parent dependencies or use count */
247static void _omap2_clk_disable(struct clk *clk)
248{
249 clk->ops->disable(clk);
250}
251
252void omap2_clk_disable(struct clk *clk) 256void omap2_clk_disable(struct clk *clk)
253{ 257{
254 if (clk->usecount > 0 && !(--clk->usecount)) { 258 if (clk->usecount > 0 && !(--clk->usecount)) {