From: Felipe Balbi <balbi@ti.com>
To: Sourav Poddar <sourav.poddar@ti.com>
Cc: <broonie@kernel.org>, <spi-devel-general@lists.sourceforge.net>,
<grant.likely@linaro.org>, <linux-omap@vger.kernel.org>,
<rnayak@ti.com>, <balbi@ti.com>
Subject: Re: [RFC/PATCH 2/2] driver: spi: Add quad spi read support
Date: Mon, 29 Jul 2013 12:32:58 +0300 [thread overview]
Message-ID: <20130729093258.GF23710@radagast> (raw)
In-Reply-To: <1375082550-30544-3-git-send-email-sourav.poddar@ti.com>
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On Mon, Jul 29, 2013 at 12:52:30PM +0530, Sourav Poddar wrote:
> Since, qspi controller uses quad read.
>
> Configuring the command register, if the transfer of data needs
> dual or quad lines.
>
> This patch has been done on top of the following patch[1], which is just the
> basic idea of adding dual/quad support in spi framework.
> $subject patch will undergo changes with the ongoing discussion in the
> community.
>
> This patch is posted to demonstrate how patch 1 of the series will support
> quad read.
>
> [1]: http://comments.gmane.org/gmane.linux.kernel.spi.devel/14047
>
> Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
> ---
> drivers/spi/spi-ti-qspi.c | 16 ++++++++++++++--
> 1 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
> index 51fe95f..8a32b1c 100644
> --- a/drivers/spi/spi-ti-qspi.c
> +++ b/drivers/spi/spi-ti-qspi.c
> @@ -86,6 +86,7 @@ struct ti_qspi {
> #define QSPI_3_PIN (1 << 18)
> #define QSPI_RD_SNGL (1 << 16)
> #define QSPI_WR_SNGL (2 << 16)
> +#define QSPI_RD_DUAL (3 << 16)
> #define QSPI_RD_QUAD (7 << 16)
so RD_QUAD is defined in previous patch but not RD_DUAL ? What gives ?
IMHO, just merge this patch with previous and make the entire driver
depend on the other patch.
--
balbi
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next prev parent reply other threads:[~2013-07-29 9:32 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-29 7:22 [PATCHv6 0/2] Add ti qspi controller Sourav Poddar
2013-07-29 7:22 ` [PATCHv6 1/2] drivers: spi: Add qspi flash controller Sourav Poddar
2013-07-29 9:31 ` Felipe Balbi
2013-07-29 10:12 ` Sourav Poddar
2013-07-29 10:20 ` Felipe Balbi
2013-07-29 11:04 ` Sourav Poddar
2013-07-29 11:09 ` Felipe Balbi
2013-07-29 11:15 ` Sourav Poddar
2013-07-29 12:35 ` Felipe Balbi
2013-07-30 7:34 ` Sourav Poddar
2013-07-30 7:38 ` Felipe Balbi
2013-07-29 7:22 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
2013-07-29 9:32 ` Felipe Balbi [this message]
2013-07-29 9:43 ` Sourav Poddar
2013-07-29 9:59 ` Felipe Balbi
-- strict thread matches above, loose matches on Subject: below --
2013-08-04 8:58 [PATCHv9 0/2] Add ti qspi controller Sourav Poddar
2013-08-04 8:58 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
2013-08-01 14:00 [PATCHv8 0/2] Add ti qspi controller Sourav Poddar
2013-08-01 14:00 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
2013-07-31 5:47 [PATCHv7 0/2] Add ti qspi controller Sourav Poddar
2013-07-31 5:47 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
2013-07-26 17:15 [PATCHv5 0/2] Add qspi controller Sourav Poddar
[not found] ` <1374858922-14637-1-git-send-email-sourav.poddar-l0cyMroinI0@public.gmane.org>
2013-07-26 17:15 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
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