[PATCH v2] ARM: DRA7: hwmod: Fix OCP2SCP sysconfig

[PATCH v2] ARM: DRA7: hwmod: Fix OCP2SCP sysconfig

[Kishon Vijay Abraham I]

OCP2SCP doesn't support smart idle wakeup according to
Table 26-22. OCP2SCP_SYSCONFIG in AM572x TRM [1] and
Table 26-22. OCP2SCP_SYSCONFIG in AM571x TRM [2].
Remove SIDLE_SMART_WKUP from the list of supported SIDLE modes
in hwmod data.

[1] -> http://www.ti.com/lit/ug/spruhz6e/spruhz6e.pdf
[2] -> http://www.ti.com/lit/ug/spruhz7a/spruhz7a.pdf

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
Changes from v1:
*) Updated commit log to use public TRM links.

 arch/arm/mach-omap2/omap_hwmod_7xx_data.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 848356e..84c2699 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1482,8 +1482,7 @@ static struct omap_hwmod_class_sysconfig dra7xx_ocp2scp_sysc = {
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE |
 			   SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
-	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
-			   SIDLE_SMART_WKUP),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
 
-- 
1.7.9.5

Re: [PATCH v2] ARM: DRA7: hwmod: Fix OCP2SCP sysconfig

[Paul Walmsley]

On Tue, 9 Feb 2016, Kishon Vijay Abraham I wrote:

> OCP2SCP doesn't support smart idle wakeup according to
> Table 26-22. OCP2SCP_SYSCONFIG in AM572x TRM [1] and
> Table 26-22. OCP2SCP_SYSCONFIG in AM571x TRM [2].
> Remove SIDLE_SMART_WKUP from the list of supported SIDLE modes
> in hwmod data.
> 
> [1] -> http://www.ti.com/lit/ug/spruhz6e/spruhz6e.pdf
> [2] -> http://www.ti.com/lit/ug/spruhz7a/spruhz7a.pdf
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

Thanks, queued for v4.6.  If you'd like it queued as a fix, please resend 
with a description of the regression that it fixes.


- Paul

Re: [PATCH v2] ARM: DRA7: hwmod: Fix OCP2SCP sysconfig

[Kishon Vijay Abraham I]

Hi,

On Tuesday 09 February 2016 02:48 PM, Paul Walmsley wrote:
> On Tue, 9 Feb 2016, Kishon Vijay Abraham I wrote:
> 
>> OCP2SCP doesn't support smart idle wakeup according to
>> Table 26-22. OCP2SCP_SYSCONFIG in AM572x TRM [1] and
>> Table 26-22. OCP2SCP_SYSCONFIG in AM571x TRM [2].
>> Remove SIDLE_SMART_WKUP from the list of supported SIDLE modes
>> in hwmod data.
>>
>> [1] -> http://www.ti.com/lit/ug/spruhz6e/spruhz6e.pdf
>> [2] -> http://www.ti.com/lit/ug/spruhz7a/spruhz7a.pdf
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> 
> Thanks, queued for v4.6.  If you'd like it queued as a fix, please resend 
> with a description of the regression that it fixes.

Found this during review and as such it didn't cause any regressions. So I
think it's okay to be queued for 4.6

Thanks
Kishon