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From: santosh.shilimkar@oracle.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/14] memory: ti-emif-sram: Add resume function to recopy sram code
Date: Wed, 23 May 2018 09:42:54 -0700	[thread overview]
Message-ID: <443e8bb5-91d8-8bd9-ed6a-cf78377eeef4@oracle.com> (raw)
In-Reply-To: <739d9bbf-2acc-9c90-db43-cf78f5b184e3@ti.com>


On 5/23/2018 1:47 AM, Keerthy wrote:
> 
> 
> On Monday 16 April 2018 03:59 PM, Keerthy wrote:
>>
[..]

>>> Instead of this indirect method , why can't just check the previous
>>> deep sleep mode and based on that do copy or not. EMIF power status
>>> register should have something like that ?
>>
>> I will check if we have a register that tells the previous state of sram.
> 
> Unfortunately i do not see any such register for knowing SRAM previous
> state in am43 TRM and hence this indirect way of knowing.
> 
OK.

> 
>>
>>>
>>> Another minor point is even though there is nothing to do in suspend,
>>> might be good to have a callback with comment that nothing to do with
>>> some explanation why not. Don't have strong preference but may for
>>> better readability.
> 
> I can add a blank suspend call with comment
> 
> "The contents are already present in DDR hence no need to explicitly save"
> 
> The comment in resume function pretty much explains the above. So let me
> know if i need to add the suspend callback.
> Please add the empty suspend callback with comment.

Regards,
Santosh

  reply	other threads:[~2018-05-23 16:42 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-12  3:53 [PATCH 00/14] arm: OMAP: AM437X: Save restores patches for rtc mode with DDR In self-refresh Keerthy
2018-04-12  3:53 ` [PATCH 01/14] memory: ti-emif-sram: Add resume function to recopy sram code Keerthy
2018-04-12 16:44   ` santosh.shilimkar at oracle.com
2018-04-16 10:20     ` Keerthy
2018-04-16 10:29     ` Keerthy
2018-05-23  8:47       ` Keerthy
2018-05-23 16:42         ` Santosh Shilimkar [this message]
2018-04-12  3:53 ` [PATCH 02/14] ARM: OMAP2: Add functions to save and restore clockdomain context en-masse Keerthy
2018-04-12  3:53 ` [PATCH 03/14] ARM: OMAP2+: omap_hwmod: Introduce HWMOD_NEEDS_REIDLE Keerthy
2018-04-12 14:34   ` Tony Lindgren
2018-04-12  3:53 ` [PATCH 04/14] ARM: OMAP2: Add functions to save and restore omap hwmod context en-masse Keerthy
2018-04-12  3:53 ` [PATCH 05/14] ARM: OMAP2: Add functions to save and restore powerdomain context Keerthy
2018-04-12 14:37   ` Tony Lindgren
2018-04-12  3:53 ` [PATCH 06/14] ARM: AM33XX: Add functions to save/restore am33xx control registers Keerthy
2018-04-12  3:53 ` [PATCH 07/14] ARM: AM43XX: Add functions to save/restore am43xx " Keerthy
2018-04-12  3:53 ` [PATCH 08/14] ARM: OMAP2: Add functions to save and restore pinctrl context Keerthy
2018-04-12 14:16   ` Tony Lindgren
2018-04-13  6:16     ` Keerthy
2018-04-12  3:53 ` [PATCH 09/14] ARM: OMAP2: Drop the concept of certain power domains not being able to lose context Keerthy
2018-04-12  3:53 ` [PATCH 10/14] gpio: omap: Drop the concept of gpio banks " Keerthy
2018-04-12 14:22   ` Tony Lindgren
2018-04-12 20:10     ` Grygorii Strashko
2018-04-12  3:53 ` [PATCH 11/14] gpio: omap: Restore power_mode configuration at resume time Keerthy
2018-04-12 14:39   ` Tony Lindgren
2018-04-12 20:02     ` Grygorii Strashko
2018-04-12  3:53 ` [PATCH 12/14] OMAP: CLK: CLKSRC: Add suspend resume hooks Keerthy
2018-04-12 14:27   ` Tony Lindgren
2018-05-22  7:57     ` Keerthy
2018-05-22 13:39       ` Tony Lindgren
2018-04-12  3:53 ` [PATCH 13/14] ARM: hwmod: RTC: Don't assume lock/unlock will be called with irq enabled Keerthy
2018-04-12  3:53 ` [PATCH 14/14] ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO Keerthy

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