Do not suspend the regulator.
[openwrt.git] / target / linux / s3c24xx / patches-2.6.28 / 005-dont-suspend-regulator.patch
1 From: Balaji Rao <balajirrao@openmoko.org>
2 Date: Mon, 5 Jan 2009 10:33:28 +0000 (+0000)
3 Subject: pcf50633 remove suspend_enable/disable regulator functions
4 X-Git-Tag: fork-to-stable-2.6.29-rc2~142
5 X-Git-Url: http://git.openmoko.org/?p=kernel.git;a=commitdiff_plain;h=276709515c384f4239c9479b56fcf008ae37eec8
6
7 pcf50633 remove suspend_enable/disable regulator functions
8
9 Since we don't switch to PMU.standby, on suspend we should not
10 be defining these.
11
12 Btw, this fixes the WSOD I observed on andy-tracking and also
13 gets rid of the regulator related backtrace seen upon resume.
14
15 Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
16 ---
17
18 diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c
19 index 422dea2..889f191 100644
20 --- a/arch/arm/plat-s3c/pm.c
21 +++ b/arch/arm/plat-s3c/pm.c
22 @@ -18,7 +18,6 @@
23  #include <linux/delay.h>
24  #include <linux/serial_core.h>
25  #include <linux/io.h>
26 -#include <linux/regulator/machine.h>
27  
28  #include <asm/cacheflush.h>
29  #include <mach/hardware.h>
30 @@ -353,22 +352,11 @@ static void s3c_pm_finish(void)
31         s3c_pm_check_cleanup();
32  }
33  
34 -static int s3c_pm_begin(suspend_state_t state)
35 -{
36 -        int ret = 0;
37 -
38 -#ifdef CONFIG_REGULATOR
39 -        ret = regulator_suspend_prepare(state);
40 -#endif
41 -        return ret;
42 -}
43 -
44  static struct platform_suspend_ops s3c_pm_ops = {
45         .enter          = s3c_pm_enter,
46         .prepare        = s3c_pm_prepare,
47         .finish         = s3c_pm_finish,
48         .valid          = suspend_valid_only_mem,
49 -       .begin          = s3c_pm_begin,
50  };
51  
52  /* s3c_pm_init
53 diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
54 index 343f43e..d284200 100644
55 --- a/drivers/regulator/pcf50633-regulator.c
56 +++ b/drivers/regulator/pcf50633-regulator.c
57 @@ -249,8 +249,6 @@ struct regulator_ops pcf50633_regulator_ops = {
58         .enable = pcf50633_regulator_enable,
59         .disable = pcf50633_regulator_disable,
60         .is_enabled = pcf50633_regulator_is_enabled,
61 -       .set_suspend_enable = pcf50633_regulator_enable,
62 -       .set_suspend_disable = pcf50633_regulator_disable,
63  };
64  
65  static struct regulator_desc regulators[] = {