1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
From 53fc40876ed9b753f935361fb1027718a184c41e Mon Sep 17 00:00:00 2001
From: Thomas Kunze <thommycheck@gmx.de>
Date: Thu, 5 Feb 2009 00:49:03 +0100
Subject: [PATCH 10/23] mmc_spi: add suspend and resume callbacks
---
drivers/mmc/host/mmc_spi.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index ad00e16..ac6719b 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1407,6 +1407,33 @@ static int __devexit mmc_spi_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_PM
+static int mmc_spi_suspend(struct spi_device *spi, pm_message_t state)
+{
+ struct mmc_host *mmc = dev_get_drvdata(&spi->dev);
+ struct mmc_spi_host *host = mmc_priv(mmc);
+ int ret = 0;
+
+ if (mmc)
+ ret = mmc_suspend_host(mmc, state);
+ return ret;
+}
+
+static int mmc_spi_resume(struct spi_device *spi)
+{
+ struct mmc_host *mmc = dev_get_drvdata(&spi->dev);
+ int ret = 0;
+
+ if (mmc)
+ ret = mmc_resume_host(mmc);
+
+ return ret;
+}
+#else
+#define mmc_spi_suspend NULL
+#define mmc_spi_resume NULL
+#endif
+
static struct spi_driver mmc_spi_driver = {
.driver = {
@@ -1416,6 +1443,8 @@ static struct spi_driver mmc_spi_driver = {
},
.probe = mmc_spi_probe,
.remove = __devexit_p(mmc_spi_remove),
+ .suspend = mmc_spi_suspend,
+ .resume = mmc_spi_resume,
};
--
1.5.6.5
|
