Re: [RFC PATCH 2/11] input: RMI4 core bus and sensor drivers.

From: Christopher Heiny
Date: Thu Jan 05 2012 - 20:56:53 EST


Hi Shubhrajyoti,

Thanks for the feedback. Please see my comments below.


On 01/01/2012 10:38 PM, Shubhrajyoti wrote:
Hi Christopher,

On Thursday 22 December 2011 07:39 AM, Christopher Heiny wrote:
Signed-off-by: Christopher Heiny<cheiny@xxxxxxxxxxxxx>

Cc: Dmitry Torokhov<dmitry.torokhov@xxxxxxxxx>
Cc: Linus Walleij<linus.walleij@xxxxxxxxxxxxxx>
Cc: Naveen Kumar Gaddipati<naveen.gaddipati@xxxxxxxxxxxxxx>
Cc: Joeri de Gram<j.de.gram@xxxxxxxxx>

---

drivers/input/rmi4/rmi_bus.c | 436 ++++++++++++
drivers/input/rmi4/rmi_driver.c | 1488 +++++++++++++++++++++++++++++++++++++++
drivers/input/rmi4/rmi_driver.h | 97 +++
3 files changed, 2021 insertions(+), 0 deletions(-)

diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c

[snip]

+#ifdef CONFIG_PM
+static int rmi_bus_suspend(struct device *dev)
+{
+#ifdef GENERIC_SUBSYS_PM_OPS
+ const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+ if (pm&& pm->suspend)
+ return pm->suspend(dev);
If driver-pm- suspend is not there should you not fall back to . suspend ?

I'm looking into using dev->driver->suspend() here. It wants a pm_message_t for the pm state. We don't have that on entry to bus_suspend, though. Any suggestion as to what we should pass?

Thanks,
Chris
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