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From: Neil Armstrong <narmstrong@baylibre.com>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Tejun Heo <tj@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Patrick Titiano <ptitiano@baylibre.com>
Cc: linux-ide@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] ata: ahci: add support for DaVinci DM816 SATA controller
Date: Tue, 14 Mar 2017 10:00:07 +0100	[thread overview]
Message-ID: <7ab4b440-f9d0-22fa-f463-f4c5542e21e7@baylibre.com> (raw)
In-Reply-To: <db5d21c2-b0e2-c9ec-1f15-460973fd23e3@cogentembedded.com>

On 03/14/2017 09:57 AM, Sergei Shtylyov wrote:
> Hello!
> 
> On 3/13/2017 7:36 PM, Bartosz Golaszewski wrote:
> 
>> This SATA controller is quite similar to the one present on the DA850
>> SoC, but the PHY configuration is different and it supports two HBA
>> ports.
>>
>> The IP suffers from the same PMP issue the DA850 does - if we enable
>> PMP but don't use it - softreset fails. Appropriate workaround was
>> implemented in this driver as well.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>>  drivers/ata/Kconfig      |   9 +++
>>  drivers/ata/Makefile     |   1 +
>>  drivers/ata/ahci_dm816.c | 200 +++++++++++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 210 insertions(+)
>>  create mode 100644 drivers/ata/ahci_dm816.c
>>
>> diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
>> index 70b57d2..7f59a7a 100644
>> --- a/drivers/ata/Kconfig
>> +++ b/drivers/ata/Kconfig
>> @@ -118,6 +118,15 @@ config AHCI_DA850
>>
>>        If unsure, say N.
>>
>> +config AHCI_DM816
>> +    tristate "DaVinci DM816 AHCI SATA support"
> 
>    Is it really DaVinci?
> 
>> +    depends on ARCH_OMAP2PLUS
> 
>    Especially if it depends on OMAP...

Hi Sergei,

Yes it's a DaVinci family SoC, but shares a lot of IPs with the OMAP family.

Neil

> 
> [...]
> 
> MBR, Sergei
> 


  reply	other threads:[~2017-03-14  9:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-13 16:36 [PATCH 0/2] ata: ahci-dm816: new driver Bartosz Golaszewski
2017-03-13 16:36 ` [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller Bartosz Golaszewski
     [not found]   ` <1489422982-3461-2-git-send-email-bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2017-03-13 16:53     ` Sergei Shtylyov
2017-03-13 16:53       ` Sergei Shtylyov
     [not found]       ` <2d0ede95-86d6-4d52-6cf5-91de35a29145-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2017-03-13 17:08         ` Bartosz Golaszewski
2017-03-13 17:08           ` Bartosz Golaszewski
2017-03-13 17:27           ` Sergei Shtylyov
2017-03-14  9:06             ` Neil Armstrong
     [not found]             ` <61ee23f2-734b-f793-0054-364ce553ae5e-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2017-03-14 10:43               ` Bartosz Golaszewski
2017-03-14 10:43                 ` Bartosz Golaszewski
2017-03-13 16:36 ` [PATCH 2/2] ata: ahci: add support for DaVinci DM816 " Bartosz Golaszewski
2017-03-14  8:57   ` Sergei Shtylyov
2017-03-14  9:00     ` Neil Armstrong [this message]
2017-03-14 17:03       ` Kevin Hilman

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