i2c: s3c2410: remove unnecessary codes

Change-Id: Iea4fd40f8e12236f04abcf5771eb014fd1dbf648
Signed-off-by: Kisang Lee <kisang80.lee@samsung.com>

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index e3bfbea0e97f8529084961a30eeaf8093f0884db..2d344da0c92d26cce74259eafe837a118a87c208 100644 (file)
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -136,9 +136,6 @@ struct s3c24xx_i2c {
        struct s3c2410_platform_i2c     *pdata;
        int                     gpios[2];
        struct pinctrl          *pctrl;
-#if defined(CONFIG_ARM_S3C24XX_CPUFREQ)
-       struct notifier_block   freq_transition;
-#endif
 };
 
 static const struct platform_device_id s3c24xx_driver_ids[] = {
@@ -998,65 +995,6 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
        return 0;
 }
 
-#if defined(CONFIG_ARM_S3C24XX_CPUFREQ)
-
-#define freq_to_i2c(_n) container_of(_n, struct s3c24xx_i2c, freq_transition)
-
-static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb,
-                                         unsigned long val, void *data)
-{
-       struct s3c24xx_i2c *i2c = freq_to_i2c(nb);
-       unsigned int got;
-       int delta_f;
-       int ret;
-
-       delta_f = clk_get_rate(i2c->rate_clk) - i2c->clkrate;
-
-       /* if we're post-change and the input clock has slowed down
-        * or at pre-change and the clock is about to speed up, then
-        * adjust our clock rate. <0 is slow, >0 speedup.
-        */
-
-       if ((val == CPUFREQ_POSTCHANGE && delta_f < 0) ||
-           (val == CPUFREQ_PRECHANGE && delta_f > 0)) {
-               i2c_lock_adapter(&i2c->adap);
-               ret = s3c24xx_i2c_clockrate(i2c, &got);
-               i2c_unlock_adapter(&i2c->adap);
-
-               if (ret < 0)
-                       dev_err(i2c->dev, "cannot find frequency\n");
-               else
-                       dev_info(i2c->dev, "setting freq %d\n", got);
-       }
-
-       return 0;
-}
-
-static inline int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c)
-{
-       i2c->freq_transition.notifier_call = s3c24xx_i2c_cpufreq_transition;
-
-       return cpufreq_register_notifier(&i2c->freq_transition,
-                                        CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
-{
-       cpufreq_unregister_notifier(&i2c->freq_transition,
-                                   CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-#else
-static inline int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c)
-{
-       return 0;
-}
-
-static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
-{
-}
-#endif
-
 #ifdef CONFIG_OF
 static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
 {
@@ -1401,10 +1339,6 @@ static const struct dev_pm_ops s3c24xx_i2c_dev_pm_ops = {
 #ifdef CONFIG_PM_SLEEP
        .suspend_noirq = s3c24xx_i2c_suspend_noirq,
        .resume_noirq = s3c24xx_i2c_resume_noirq,
-       .freeze_noirq = s3c24xx_i2c_suspend_noirq,
-       .thaw_noirq = s3c24xx_i2c_resume_noirq,
-       .poweroff_noirq = s3c24xx_i2c_suspend_noirq,
-       .restore_noirq = s3c24xx_i2c_resume_noirq,
 #endif
 #ifdef CONFIG_PM_RUNTIME
        .runtime_resume = s3c24xx_i2c_runtime_resume,