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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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WARNING: multiple messages have this Message-ID (diff)
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>

[-- Attachment #1: Type: text/plain, Size: 1361 bytes --]

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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  reply	other threads:[~2013-07-29  9:33 UTC|newest]

Thread overview: 38+ 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 ` Sourav Poddar
2013-07-29  7:22 ` [PATCHv6 1/2] drivers: spi: Add qspi flash controller Sourav Poddar
2013-07-29  7:22   ` Sourav Poddar
2013-07-29  9:31   ` Felipe Balbi
2013-07-29  9:31     ` Felipe Balbi
2013-07-29 10:12     ` Sourav Poddar
2013-07-29 10:12       ` Sourav Poddar
2013-07-29 10:20       ` Felipe Balbi
2013-07-29 10:20         ` Felipe Balbi
2013-07-29 11:04         ` Sourav Poddar
2013-07-29 11:04           ` Sourav Poddar
2013-07-29 11:09           ` Felipe Balbi
2013-07-29 11:09             ` Felipe Balbi
2013-07-29 11:15             ` Sourav Poddar
2013-07-29 11:15               ` Sourav Poddar
2013-07-29 12:35               ` Felipe Balbi
2013-07-29 12:35                 ` Felipe Balbi
2013-07-30  7:34                 ` Sourav Poddar
2013-07-30  7:34                   ` Sourav Poddar
2013-07-30  7:38                   ` Felipe Balbi
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  7:22   ` Sourav Poddar
2013-07-29  9:32   ` Felipe Balbi [this message]
2013-07-29  9:32     ` Felipe Balbi
2013-07-29  9:43     ` Sourav Poddar
2013-07-29  9:43       ` Sourav Poddar
2013-07-29  9:59       ` Felipe Balbi
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
2013-08-04  8:58   ` 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
2013-08-01 14:00   ` 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
2013-07-31  5:47   ` 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
2013-07-26 17:15     ` Sourav Poddar

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