From: Roger Quadros <rogerq@ti.com>
To: Tony Lindgren <tony@atomide.com>, linux-omap@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 05/10] ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select
Date: Thu, 30 Oct 2014 14:26:18 +0200 [thread overview]
Message-ID: <54522E6A.6060502@ti.com> (raw)
In-Reply-To: <1414628948-30702-6-git-send-email-tony@atomide.com>
On 10/30/2014 02:29 AM, Tony Lindgren wrote:
> There are cases where we have multiple device instances
> connected to a single GPMC chip select. For example, there
> are four UARTs on the Zoom debug boards that all share a
> single chip select and a GPIO interrupt.
>
> We do have support for this already in theory, but it's broken
> because we're bailing out if the chip select is already taken.
>
> To be able to provide checks on the chip select usage, let's
> add new struct gpmc_cs_data so we can start using already
> registered device names for checks.
>
> Later on we probably want to start using struct gpmc_cs_data
> as a wrapper for all the GPMC chipselect related data.
>
> Cc: Roger Quadros <rogerq@ti.com>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Roger Quadros <rogerq@ti.com>
cheers,
-roger
WARNING: multiple messages have this Message-ID (diff)
From: rogerq@ti.com (Roger Quadros)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 05/10] ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select
Date: Thu, 30 Oct 2014 14:26:18 +0200 [thread overview]
Message-ID: <54522E6A.6060502@ti.com> (raw)
In-Reply-To: <1414628948-30702-6-git-send-email-tony@atomide.com>
On 10/30/2014 02:29 AM, Tony Lindgren wrote:
> There are cases where we have multiple device instances
> connected to a single GPMC chip select. For example, there
> are four UARTs on the Zoom debug boards that all share a
> single chip select and a GPIO interrupt.
>
> We do have support for this already in theory, but it's broken
> because we're bailing out if the chip select is already taken.
>
> To be able to provide checks on the chip select usage, let's
> add new struct gpmc_cs_data so we can start using already
> registered device names for checks.
>
> Later on we probably want to start using struct gpmc_cs_data
> as a wrapper for all the GPMC chipselect related data.
>
> Cc: Roger Quadros <rogerq@ti.com>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Roger Quadros <rogerq@ti.com>
cheers,
-roger
next prev parent reply other threads:[~2014-10-30 12:26 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-30 0:28 [PATCH 00/10] omap gpmc and board clean-up for v3.19 merge window Tony Lindgren
2014-10-30 0:28 ` Tony Lindgren
2014-10-30 0:28 ` [PATCH 01/10] ARM: dts: Fix bootloader version dependencies by muxing n900 smc91x pins Tony Lindgren
2014-10-30 0:28 ` Tony Lindgren
2014-10-30 11:59 ` Roger Quadros
2014-10-30 11:59 ` Roger Quadros
2014-10-30 15:49 ` Tony Lindgren
2014-10-30 15:49 ` Tony Lindgren
2014-11-03 9:30 ` Roger Quadros
2014-11-03 9:30 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 02/10] ARM: dts: Fix wrong GPMC size mappings for omaps Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 12:05 ` Roger Quadros
2014-10-30 12:05 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 03/10] ARM: dts: Add smc91x GPMC configuration for 2430sdp Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 0:29 ` [PATCH 04/10] ARM: dts: Add GPMC timings for omap zoom serial port Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 12:21 ` Roger Quadros
2014-10-30 12:21 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 05/10] ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 12:26 ` Roger Quadros [this message]
2014-10-30 12:26 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 06/10] ARM: OMAP2+: Show bootloader GPMC timings to allow configuring the .dts file Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 14:19 ` Roger Quadros
2014-10-30 14:19 ` Roger Quadros
2014-10-30 14:45 ` Tony Lindgren
2014-10-30 14:45 ` Tony Lindgren
2014-10-30 15:04 ` Roger Quadros
2014-10-30 15:04 ` Roger Quadros
2014-10-30 16:30 ` Tony Lindgren
2014-10-30 16:30 ` Tony Lindgren
2014-10-31 9:24 ` Roger Quadros
2014-10-31 9:24 ` Roger Quadros
2014-11-04 13:40 ` Roger Quadros
2014-11-04 13:40 ` Roger Quadros
2014-11-04 15:49 ` Tony Lindgren
2014-11-04 15:49 ` Tony Lindgren
2014-10-30 14:26 ` Roger Quadros
2014-10-30 14:26 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 07/10] ARM: OMAP2+: Require proper GPMC timings for devices Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 14:27 ` Roger Quadros
2014-10-30 14:27 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 08/10] ARM: OMAP2+: Drop legacy code for gpmc-smc91x.c Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 14:28 ` Roger Quadros
2014-10-30 14:28 ` Roger Quadros
2014-10-30 0:29 ` [PATCH 09/10] ARM: OMAP2+: Drop board file for ti8168evm Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
2014-10-30 0:29 ` [PATCH 10/10] ARM: omap2plus: Drop board file for 3430sdp Tony Lindgren
2014-10-30 0:29 ` Tony Lindgren
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