From: "Ivan T. Ivanov" <iivanov@mm-sol.com>
To: Andy Gross <agross@codeaurora.org>
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: Mon, 19 May 2014 11:07:38 +0300 [thread overview]
Message-ID: <1400486858.1464.11.camel@iivanov-dev> (raw)
In-Reply-To: <1400016884-9568-2-git-send-email-agross@codeaurora.org>
Hi Andy,
On Tue, 2014-05-13 at 16:34 -0500, Andy Gross wrote:
> This patch removes the chip select function. Chip select should instead be
> supported using GPIOs, defining the DT entry "cs-gpios", and letting the SPI
> core assert/deassert the chip select as it sees fit.
>
> Signed-off-by: Andy Gross <agross@codeaurora.org>
<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.
> -
> - /* Disable auto CS toggle and use manual */
> - iocontol &= ~SPI_IO_C_MX_CS_MODE;
Probably we should keep this?
Regards,
Ivan
next prev parent reply other threads:[~2014-05-19 8:07 UTC|newest]
Thread overview: 13+ 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
[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
2014-05-19 8:07 ` Ivan T. Ivanov [this message]
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
2014-05-14 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
2014-05-13 21:34 ` [PATCH 4/4] spi: qup: Add support for v1.1.1 Andy Gross
[not found] ` <1400016884-9568-5-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-13 22:08 ` Stephen Boyd
[not found] ` <20140513220845.GH20486-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-13 22:20 ` Andy Gross
2014-05-19 8:10 ` Ivan T. Ivanov
2014-05-13 21:34 ` [PATCH 3/4] spi: qup: Fix order of spi_register_master Andy Gross
[not found] ` <1400016884-9568-4-git-send-email-agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-05-19 8:51 ` Ivan T. Ivanov
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