On Thursday, May 30, 2013 4:20 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:

On 16:24 Wed 29 May     , Michael Hennerich wrote:

quoted

On 05/29/2013 02:17 PM, Lars-Peter Clausen wrote:

quoted

Use dev_pm_ops instead of the legacy suspend/resume callbacks.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

Acked-by: Michael Hennerich <michael.hennerich@analog.com>

quoted

---
 drivers/video/bfin-lq035q1-fb.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index 29d8c04..6084c17 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c

@@ -170,16 +170,19 @@ static int lq035q1_spidev_remove(struct spi_device *spi)
 	return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_SHUT);
 }
-#ifdef CONFIG_PM
-static int lq035q1_spidev_suspend(struct spi_device *spi, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int lq035q1_spidev_suspend(struct device *dev)
 {
+	struct spi_device *spi = to_spi_device(dev);
+
 	return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_SHUT);
 }
-static int lq035q1_spidev_resume(struct spi_device *spi)
+static int lq035q1_spidev_resume(struct device *dev)
 {
-	int ret;
+	struct spi_device *spi = to_spi_device(dev);
 	struct spi_control *ctl = spi_get_drvdata(spi);
+	int ret;
 	ret = lq035q1_control(spi, LQ035_DRIVER_OUTPUT_CTL, ctl->mode);
 	if (ret)

@@ -187,9 +190,13 @@ static int lq035q1_spidev_resume(struct spi_device *spi)
 	return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_ON);
 }
+
+static SIMPLE_DEV_PM_OPS(lq035q1_spidev_pm_ops, lq035q1_spidev_suspend,
+	lq035q1_spidev_resume);
+#define LQ035Q1_SPIDEV_PM_OPS (&lq035q1_spidev_pm_ops)
+
 #else
-# define lq035q1_spidev_suspend NULL
-# define lq035q1_spidev_resume  NULL
+#define LQ035Q1_SPIDEV_PM_OPS NULL
 #endif

we really need to ahve a macro like for DT of_match_ptr to drop the #else

Hi Jean-Christophe PLAGNIOL-VILLARD,

I submitted the following patch. :)
(https://patchwork.kernel.org/patch/2502971/)

--- a/include/linux/pm.h
+++ b/include/linux/pm.h

@@ -55,8 +55,10 @@  struct device;
 
 #ifdef CONFIG_PM
 extern const char power_group_name[];		/* = "power" */
+#define pm_ops_ptr(_ptr)	(_ptr)
 #else
 #define power_group_name	NULL
+#define pm_ops_ptr(_ptr)	NULL
 #endif

This patch was accepted by Rafael Wysocki, and will be merged to v3.11-rc1.


Best regards,
Jingoo Han

I known it's related to this patch but someone should do it

Rafael what do you think

Best Regards,
J.

quoted

quoted

 /* Power down all displays on reboot, poweroff or halt */

@@ -708,8 +715,7 @@ static int bfin_lq035q1_probe(struct platform_device *pdev)
 	info->spidrv.probe    = lq035q1_spidev_probe;
 	info->spidrv.remove   = lq035q1_spidev_remove;
 	info->spidrv.shutdown = lq035q1_spidev_shutdown;
-	info->spidrv.suspend  = lq035q1_spidev_suspend;
-	info->spidrv.resume   = lq035q1_spidev_resume;
+	info->spidrv.driver.pm = LQ035Q1_SPIDEV_PM_OPS;
 	ret = spi_register_driver(&info->spidrv);
 	if (ret < 0) {

--
Greetings,
Michael

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