diff options
| -rw-r--r-- | arch/m68k/platform/coldfire/clk.c | 6 | ||||
| -rw-r--r-- | drivers/clk/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/clk-devres.c | 55 | ||||
| -rw-r--r-- | drivers/clk/clkdev.c | 45 |
4 files changed, 56 insertions, 51 deletions
diff --git a/arch/m68k/platform/coldfire/clk.c b/arch/m68k/platform/coldfire/clk.c index 75f9ee967ea7..9cd13b4ce42b 100644 --- a/arch/m68k/platform/coldfire/clk.c +++ b/arch/m68k/platform/coldfire/clk.c | |||
| @@ -146,9 +146,3 @@ struct clk_ops clk_ops1 = { | |||
| 146 | }; | 146 | }; |
| 147 | #endif /* MCFPM_PPMCR1 */ | 147 | #endif /* MCFPM_PPMCR1 */ |
| 148 | #endif /* MCFPM_PPMCR0 */ | 148 | #endif /* MCFPM_PPMCR0 */ |
| 149 | |||
| 150 | struct clk *devm_clk_get(struct device *dev, const char *id) | ||
| 151 | { | ||
| 152 | return NULL; | ||
| 153 | } | ||
| 154 | EXPORT_SYMBOL(devm_clk_get); | ||
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 5869ea387054..72ce247a0e8d 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile | |||
| @@ -1,4 +1,5 @@ | |||
| 1 | # common clock types | 1 | # common clock types |
| 2 | obj-$(CONFIG_HAVE_CLK) += clk-devres.o | ||
| 2 | obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o | 3 | obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o |
| 3 | obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \ | 4 | obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \ |
| 4 | clk-mux.o clk-divider.o clk-fixed-factor.o | 5 | clk-mux.o clk-divider.o clk-fixed-factor.o |
diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c new file mode 100644 index 000000000000..8f571548870f --- /dev/null +++ b/drivers/clk/clk-devres.c | |||
| @@ -0,0 +1,55 @@ | |||
| 1 | /* | ||
| 2 | * This program is free software; you can redistribute it and/or modify | ||
| 3 | * it under the terms of the GNU General Public License version 2 as | ||
| 4 | * published by the Free Software Foundation. | ||
| 5 | */ | ||
| 6 | |||
| 7 | #include <linux/clk.h> | ||
| 8 | #include <linux/device.h> | ||
| 9 | #include <linux/export.h> | ||
| 10 | #include <linux/gfp.h> | ||
| 11 | |||
| 12 | static void devm_clk_release(struct device *dev, void *res) | ||
| 13 | { | ||
| 14 | clk_put(*(struct clk **)res); | ||
| 15 | } | ||
| 16 | |||
| 17 | struct clk *devm_clk_get(struct device *dev, const char *id) | ||
| 18 | { | ||
| 19 | struct clk **ptr, *clk; | ||
| 20 | |||
| 21 | ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL); | ||
| 22 | if (!ptr) | ||
| 23 | return ERR_PTR(-ENOMEM); | ||
| 24 | |||
| 25 | clk = clk_get(dev, id); | ||
| 26 | if (!IS_ERR(clk)) { | ||
| 27 | *ptr = clk; | ||
| 28 | devres_add(dev, ptr); | ||
| 29 | } else { | ||
| 30 | devres_free(ptr); | ||
| 31 | } | ||
| 32 | |||
| 33 | return clk; | ||
| 34 | } | ||
| 35 | EXPORT_SYMBOL(devm_clk_get); | ||
| 36 | |||
| 37 | static int devm_clk_match(struct device *dev, void *res, void *data) | ||
| 38 | { | ||
| 39 | struct clk **c = res; | ||
| 40 | if (!c || !*c) { | ||
| 41 | WARN_ON(!c || !*c); | ||
| 42 | return 0; | ||
| 43 | } | ||
| 44 | return *c == data; | ||
| 45 | } | ||
| 46 | |||
| 47 | void devm_clk_put(struct device *dev, struct clk *clk) | ||
| 48 | { | ||
| 49 | int ret; | ||
| 50 | |||
| 51 | ret = devres_release(dev, devm_clk_release, devm_clk_match, clk); | ||
| 52 | |||
| 53 | WARN_ON(ret); | ||
| 54 | } | ||
| 55 | EXPORT_SYMBOL(devm_clk_put); | ||
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index d423c9bdd71a..442a31363873 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c | |||
| @@ -171,51 +171,6 @@ void clk_put(struct clk *clk) | |||
| 171 | } | 171 | } |
| 172 | EXPORT_SYMBOL(clk_put); | 172 | EXPORT_SYMBOL(clk_put); |
| 173 | 173 | ||
| 174 | static void devm_clk_release(struct device *dev, void *res) | ||
| 175 | { | ||
| 176 | clk_put(*(struct clk **)res); | ||
| 177 | } | ||
| 178 | |||
| 179 | struct clk *devm_clk_get(struct device *dev, const char *id) | ||
| 180 | { | ||
| 181 | struct clk **ptr, *clk; | ||
| 182 | |||
| 183 | ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL); | ||
| 184 | if (!ptr) | ||
| 185 | return ERR_PTR(-ENOMEM); | ||
| 186 | |||
| 187 | clk = clk_get(dev, id); | ||
| 188 | if (!IS_ERR(clk)) { | ||
| 189 | *ptr = clk; | ||
| 190 | devres_add(dev, ptr); | ||
| 191 | } else { | ||
| 192 | devres_free(ptr); | ||
| 193 | } | ||
| 194 | |||
| 195 | return clk; | ||
| 196 | } | ||
| 197 | EXPORT_SYMBOL(devm_clk_get); | ||
| 198 | |||
| 199 | static int devm_clk_match(struct device *dev, void *res, void *data) | ||
| 200 | { | ||
| 201 | struct clk **c = res; | ||
| 202 | if (!c || !*c) { | ||
| 203 | WARN_ON(!c || !*c); | ||
| 204 | return 0; | ||
| 205 | } | ||
| 206 | return *c == data; | ||
| 207 | } | ||
| 208 | |||
| 209 | void devm_clk_put(struct device *dev, struct clk *clk) | ||
| 210 | { | ||
| 211 | int ret; | ||
| 212 | |||
| 213 | ret = devres_destroy(dev, devm_clk_release, devm_clk_match, clk); | ||
| 214 | |||
| 215 | WARN_ON(ret); | ||
| 216 | } | ||
| 217 | EXPORT_SYMBOL(devm_clk_put); | ||
| 218 | |||
| 219 | void clkdev_add(struct clk_lookup *cl) | 174 | void clkdev_add(struct clk_lookup *cl) |
| 220 | { | 175 | { |
| 221 | mutex_lock(&clocks_mutex); | 176 | mutex_lock(&clocks_mutex); |
