Re: [PATCH][v2] drivers/memory: Add deep sleep support for IFC

On Fri, Jan 8, 2016 at 5:18 AM, Raghav Dogra [off-list ref] wrote:

Add support of suspend, resume function to support deep sleep.
Also make sure of SRAM initialization  during resume.

Signed-off-by: Prabhakar Kushwaha <redacted>
Signed-off-by: Raghav Dogra <redacted>
---
Changes for v2: Copying only the correct registers while resume.
Based on git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git
branch "next"

 drivers/memory/fsl_ifc.c | 163 +++++++++++++++++++++++++++++++++++++++++++++++
 include/linux/fsl_ifc.h  |   6 ++
 2 files changed, 169 insertions(+)

{snip}

+               ifc_out32(ncfgr | IFC_NAND_SRAM_INIT_EN,
+                                       &ifc->ifc_nand.ncfgr);
+               /* wait for  SRAM_INIT bit to be clear or timeout */
+               status = spin_event_timeout(

This spin_event_timeout() API is only defined by powerpc and is not
supposed to be used in a generic driver.  How did you pass the build
on arm/arm64?

Regards,
Leo