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From: Roger Quadros <rogerq@ti.com>
To: Robert ABEL <rabel@cit-ec.uni-bielefeld.de>,
	<linux-omap@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <tony@atomide.com>,
	<linux@arm.linux.org.uk>
Subject: Re: [PATCH 7/8 v2] ARM OMAP2+ GPMC: calculate GPMCFCLKDIVIDER based on WAITMONITORINGTIME
Date: Wed, 25 Feb 2015 19:20:40 +0200	[thread overview]
Message-ID: <54EE0468.3090000@ti.com> (raw)
In-Reply-To: <54EDF969.1070902@ti.com>

Robert,

On 25/02/15 18:33, Roger Quadros wrote:
> On 24/02/15 22:05, Robert ABEL wrote:
>> The WAITMONITORINGTIME is expressed as a number of GPMC_CLK clock cycles,
>> even though the access is defined as asynchronous, and no GPMC_CLK clock
>> is provided to the external device. Still, GPMCFCLKDIVIDER is used as a divider
>> for the GPMC clock, so it must be programmed to define the
>> correct WAITMONITORINGTIME delay.
>>
>> Calculate GPMCFCLKDIVIDER independent of gpmc,sync-clk-ps in DT for
>> truly asynchronous accesses, i.e. both read and write asynchronous.
>>
>> Signed-off-by: Robert ABEL <rabel@cit-ec.uni-bielefeld.de>
>> ---
>>  arch/arm/mach-omap2/gpmc-nand.c    | 17 ++++-----
>>  arch/arm/mach-omap2/gpmc-onenand.c |  4 +--
>>  drivers/memory/omap-gpmc.c         | 74 ++++++++++++++++++++++++++++++++++----
>>  include/linux/omap-gpmc.h          |  2 +-
>>  4 files changed, 80 insertions(+), 17 deletions(-)

Need to patch mach-omap2/usb-tusb6010.c as well. else we get

arch/arm/mach-omap2/usb-tusb6010.c: In function ‘tusb_set_async_mode’:
arch/arm/mach-omap2/usb-tusb6010.c:74:2: error: too few arguments to function ‘gpmc_cs_set_timings’
In file included from arch/arm/mach-omap2/gpmc.h:14:0,
                 from arch/arm/mach-omap2/usb-tusb6010.c:23:
include/linux/omap-gpmc.h:166:12: note: declared here
arch/arm/mach-omap2/usb-tusb6010.c: In function ‘tusb_set_sync_mode’:
arch/arm/mach-omap2/usb-tusb6010.c:101:2: error: too few arguments to function ‘gpmc_cs_set_timings’
In file included from arch/arm/mach-omap2/gpmc.h:14:0,
                 from arch/arm/mach-omap2/usb-tusb6010.c:23:
include/linux/omap-gpmc.h:166:12: note: declared here

cheers,
-roger


  reply	other threads:[~2015-02-25 17:21 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24 20:05 [PATCH 0/8 v2] ARM OMAP2+ GPMC: fixes and bus children Robert ABEL
2015-02-24 20:05 ` [PATCH 1/8 v2] ARM OMAP2+ GPMC: don't undef DEBUG Robert ABEL
2015-02-24 20:05   ` [PATCH 3/8 v2] ARM OMAP2+ GPMC: add bus children Robert ABEL
2015-02-24 20:05     ` [PATCH 4/8 v2] ARM OMAP2+ GPMC: fix debug output alignment Robert ABEL
2015-02-24 20:05       ` [PATCH 5/8 v2] ARM OMAP2+ GPMC: change get_gpmc_timing_reg output for DTS Robert ABEL
2015-02-24 20:05         ` [PATCH 6/8 v2] ARM OMAP2+ GPMC: always program GPMCFCLKDIVIDER Robert ABEL
2015-02-24 20:05           ` [PATCH 7/8 v2] ARM OMAP2+ GPMC: calculate GPMCFCLKDIVIDER based on WAITMONITORINGTIME Robert ABEL
2015-02-24 20:05             ` [PATCH 8/8 v2] ARM OMAP2+ GPMC: fix WAITMONITORINGTIME divider bug Robert ABEL
2015-02-24 20:05               ` [PATCH 9/8 v2] ARM OMAP2+ GPMC: fix programming/showing reserved timing parameters Robert ABEL
2015-02-25 10:44                 ` Roger Quadros
2015-02-25 15:17                   ` Robert Abel
2015-02-25 16:09                     ` Roger Quadros
2015-02-25 16:58               ` [PATCH 8/8 v2] ARM OMAP2+ GPMC: fix WAITMONITORINGTIME divider bug Roger Quadros
2015-02-25 17:07                 ` Robert Abel
2015-02-25 17:17                   ` Roger Quadros
2015-02-25 17:22                     ` Robert Abel
2015-02-25 17:27                       ` Roger Quadros
2015-02-25 16:33             ` [PATCH 7/8 v2] ARM OMAP2+ GPMC: calculate GPMCFCLKDIVIDER based on WAITMONITORINGTIME Roger Quadros
2015-02-25 17:20               ` Roger Quadros [this message]
2015-02-25 17:24                 ` Robert Abel
2015-02-25 17:20               ` Robert Abel
2015-02-26 11:34                 ` Roger Quadros
2015-02-25 13:31           ` [PATCH 6/8 v2] ARM OMAP2+ GPMC: always program GPMCFCLKDIVIDER Roger Quadros
2015-02-25 13:24         ` [PATCH 5/8 v2] ARM OMAP2+ GPMC: change get_gpmc_timing_reg output for DTS Roger Quadros
2015-02-25 15:23           ` Tony Lindgren
2015-02-25 16:26             ` Robert Abel
2015-02-25 13:05       ` [PATCH 4/8 v2] ARM OMAP2+ GPMC: fix debug output alignment Roger Quadros
2015-02-25 12:02     ` [PATCH 3/8 v2] ARM OMAP2+ GPMC: add bus children Roger Quadros
2015-02-25 15:06       ` Robert Abel
2015-02-25 16:18         ` Roger Quadros
2015-02-25 16:23           ` Robert Abel
2015-02-25 16:26             ` Roger Quadros
2015-02-25 11:01   ` [PATCH 1/8 v2] ARM OMAP2+ GPMC: don't undef DEBUG Roger Quadros
2015-02-24 20:07 ` [PATCH 0/8 v2] ARM OMAP2+ GPMC: fixes and bus children Robert Abel

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