From: Andy Gross <agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: "Ivan T. Ivanov" <iivanov-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
Cc: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Bjorn Andersson
<bjorn.andersson-/MT0OVThwyLZJqsBc5GL+g@public.gmane.org>
Subject: Re: [PATCH 1/4] spi: qup: Remove chip select function
Date: Wed, 11 Jun 2014 23:02:17 -0500 [thread overview]
Message-ID: <20140612040217.GA32535@qualcomm.com> (raw)
In-Reply-To: <1400486858.1464.11.camel@iivanov-dev>
On Mon, May 19, 2014 at 11:07:38AM +0300, Ivan T. Ivanov wrote:
<snip>
> > +- num-cs: total number of chipselects
>
> My understanding is that "num-cs" have to be parsed by
> master driver, not by core SPI driver.
Right. I need to parse it and check vs the max cs and use that value to set the
master->num_chipselect
>
> > -
> > - /* Disable auto CS toggle and use manual */
> > - iocontol &= ~SPI_IO_C_MX_CS_MODE;
>
> Probably we should keep this?
Actually this is cleared in the probe during the initial settings of IO_CONTROL.
So this isn't necessary.
--
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The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
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WARNING: multiple messages have this Message-ID (diff)
From: agross@codeaurora.org (Andy Gross)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] spi: qup: Remove chip select function
Date: Wed, 11 Jun 2014 23:02:17 -0500 [thread overview]
Message-ID: <20140612040217.GA32535@qualcomm.com> (raw)
In-Reply-To: <1400486858.1464.11.camel@iivanov-dev>
On Mon, May 19, 2014 at 11:07:38AM +0300, Ivan T. Ivanov wrote:
<snip>
> > +- num-cs: total number of chipselects
>
> My understanding is that "num-cs" have to be parsed by
> master driver, not by core SPI driver.
Right. I need to parse it and check vs the max cs and use that value to set the
master->num_chipselect
>
> > -
> > - /* Disable auto CS toggle and use manual */
> > - iocontol &= ~SPI_IO_C_MX_CS_MODE;
>
> Probably we should keep this?
Actually this is cleared in the probe during the initial settings of IO_CONTROL.
So this isn't necessary.
--
sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: Andy Gross <agross@codeaurora.org>
To: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Cc: Mark Brown <broonie@kernel.org>,
linux-spi@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Bjorn Andersson <bjorn.andersson@sonymobile.com>
Subject: Re: [PATCH 1/4] spi: qup: Remove chip select function
Date: Wed, 11 Jun 2014 23:02:17 -0500 [thread overview]
Message-ID: <20140612040217.GA32535@qualcomm.com> (raw)
In-Reply-To: <1400486858.1464.11.camel@iivanov-dev>
On Mon, May 19, 2014 at 11:07:38AM +0300, Ivan T. Ivanov wrote:
<snip>
> > +- num-cs: total number of chipselects
>
> My understanding is that "num-cs" have to be parsed by
> master driver, not by core SPI driver.
Right. I need to parse it and check vs the max cs and use that value to set the
master->num_chipselect
>
> > -
> > - /* Disable auto CS toggle and use manual */
> > - iocontol &= ~SPI_IO_C_MX_CS_MODE;
>
> Probably we should keep this?
Actually this is cleared in the probe during the initial settings of IO_CONTROL.
So this isn't necessary.
--
sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2014-06-12 4:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-13 21:34 [PATCH 0/4] spi: qup: Fixes and new version support Andy Gross
2014-05-13 21:34 ` Andy Gross
[not found] ` <1400016884-9568-1-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-13 21:34 ` [PATCH 1/4] spi: qup: Remove chip select function Andy Gross
2014-05-13 21:34 ` Andy Gross
2014-05-13 21:34 ` Andy Gross
2014-05-19 8:07 ` Ivan T. Ivanov
2014-05-19 8:07 ` Ivan T. Ivanov
2014-06-12 4:02 ` Andy Gross [this message]
2014-06-12 4:02 ` Andy Gross
2014-06-12 4:02 ` Andy Gross
2014-05-13 21:34 ` [PATCH 2/4] spi: qup: Correct selection of FIFO/Block mode Andy Gross
2014-05-13 21:34 ` Andy Gross
2014-05-13 21:34 ` Andy Gross
2014-05-14 15:17 ` Mark Brown
2014-05-14 15:17 ` Mark Brown
[not found] ` <1400016884-9568-3-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-19 7:31 ` Ivan T. Ivanov
2014-05-19 7:31 ` Ivan T. Ivanov
2014-05-19 7:31 ` Ivan T. Ivanov
2014-05-13 21:34 ` [PATCH 4/4] spi: qup: Add support for v1.1.1 Andy Gross
2014-05-13 21:34 ` Andy Gross
2014-05-13 21:34 ` Andy Gross
[not found] ` <1400016884-9568-5-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-13 22:08 ` Stephen Boyd
2014-05-13 22:08 ` Stephen Boyd
2014-05-13 22:08 ` Stephen Boyd
[not found] ` <20140513220845.GH20486-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-13 22:20 ` Andy Gross
2014-05-13 22:20 ` Andy Gross
2014-05-13 22:20 ` Andy Gross
2014-05-19 8:10 ` Ivan T. Ivanov
2014-05-19 8:10 ` Ivan T. Ivanov
2014-05-13 21:34 ` [PATCH 3/4] spi: qup: Fix order of spi_register_master Andy Gross
2014-05-13 21:34 ` Andy Gross
[not found] ` <1400016884-9568-4-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-19 8:51 ` Ivan T. Ivanov
2014-05-19 8:51 ` Ivan T. Ivanov
2014-05-19 8:51 ` Ivan T. Ivanov
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