From: Philipp Zabel <p.zabel@pengutronix.de>
To: Tero Kristo <t-kristo@ti.com>, Suman Anna <s-anna@ti.com>,
Keerthy <j-keerthy@ti.com>,
ssantosh@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-omap@vger.kernel.org, robh+dt@kernel.org
Cc: tony@atomide.com, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/8] soc: ti: add initial PRM driver with reset control support
Date: Fri, 23 Aug 2019 10:50:05 +0200 [thread overview]
Message-ID: <1566550205.3023.4.camel@pengutronix.de> (raw)
In-Reply-To: <e75eed22-1bed-4c8a-930d-e05890d58c47@ti.com>
On Wed, 2019-08-21 at 21:15 +0300, Tero Kristo wrote:
> On 21.8.2019 18.45, Suman Anna wrote:
> > On 8/21/19 10:10 AM, Philipp Zabel wrote:
[...]
> > > In general, assuming the device tree contains no errors, this should not
> > > matter much, but I think it is nice if the reset driver, even with a
> > > misconfigured device tree, can't write into arbitrary bit fields.
> >
> > Tero,
> > Can you add a check for this if possible?
>
> Well, I can enforce the usage of reset bit mapping, which I have already
> implemented for some SoCs like am33xx. If the specific ID is not found,
> I can bail out. So, basically in this example requesting reset at index
> 3 would succeed, but it would fail for any other ID; this would be
> direct HW bit mapping.
That should be fine.
regards
Philipp
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next prev parent reply other threads:[~2019-08-23 8:50 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 7:48 [PATCH 0/8] soc: ti: Add OMAP PRM driver Tero Kristo
2019-08-07 7:48 ` [PATCH 1/8] dt-bindings: omap: add new binding for PRM instances Tero Kristo
2019-08-08 4:35 ` Keerthy
2019-08-19 9:28 ` Tero Kristo
2019-08-19 21:28 ` Suman Anna
2019-08-20 7:45 ` Tero Kristo
2019-08-07 7:48 ` [PATCH 2/8] soc: ti: add initial PRM driver with reset control support Tero Kristo
2019-08-08 5:26 ` Keerthy
2019-08-19 9:32 ` Tero Kristo
2019-08-19 23:01 ` Suman Anna
2019-08-20 7:37 ` Tero Kristo
2019-08-20 16:47 ` Suman Anna
2019-08-21 15:10 ` Philipp Zabel
2019-08-21 15:45 ` Suman Anna
2019-08-21 18:15 ` Tero Kristo
2019-08-23 8:50 ` Philipp Zabel [this message]
2019-08-23 11:27 ` Tero Kristo
2019-08-07 7:48 ` [PATCH 3/8] soc: ti: omap-prm: poll for reset complete during de-assert Tero Kristo
2019-08-07 7:48 ` [PATCH 4/8] soc: ti: omap-prm: add support for denying idle for reset clockdomain Tero Kristo
2019-08-19 23:16 ` Suman Anna
2019-08-20 7:51 ` Tero Kristo
2019-08-07 7:48 ` [PATCH 5/8] soc: ti: omap-prm: add omap4 PRM data Tero Kristo
2019-08-08 5:30 ` Keerthy
2019-08-19 9:32 ` Tero Kristo
2019-08-19 23:08 ` Suman Anna
2019-08-20 7:52 ` Tero Kristo
2019-08-20 17:23 ` Suman Anna
2019-08-21 6:38 ` Tero Kristo
2019-08-07 7:48 ` [PATCH 6/8] soc: ti: omap_prm: add data for am33xx Tero Kristo
2019-08-19 23:11 ` Suman Anna
2019-08-20 18:48 ` Suman Anna
2019-08-21 7:23 ` Tero Kristo
2019-08-21 15:49 ` Suman Anna
2019-08-07 7:48 ` [PATCH 7/8] soc: ti: omap-prm: add dra7 PRM data Tero Kristo
2019-08-19 23:12 ` Suman Anna
2019-08-20 19:03 ` Suman Anna
2019-08-21 7:36 ` Tero Kristo
2019-08-07 7:48 ` [PATCH 8/8] ARM: OMAP2+: pdata-quirks: add PRM data for reset support Tero Kristo
2019-08-19 23:20 ` [PATCH 0/8] soc: ti: Add OMAP PRM driver Suman Anna
2019-08-20 7:54 ` Tero Kristo
2019-08-20 16:51 ` Suman Anna
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