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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Marek Vasut <marex@denx.de>
Cc: "Artem Bityutskiy" <artem.bityutskiy@linux.intel.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	linux-mtd@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	"Lothar Waßmann" <LW@KARO-electronics.de>
Subject: Re: [PATCH] mtd: mxc_nand: Make use of supplied pinctrl data
Date: Tue, 8 Jan 2013 20:58:26 +0100	[thread overview]
Message-ID: <20130108195826.GD7360@game.jcrosoft.org> (raw)
In-Reply-To: <1357568885-15507-1-git-send-email-marex@denx.de>

On 15:28 Mon 07 Jan     , Marek Vasut wrote:
> The MXC NAND driver doesn't consider the pinctrl data supplied via DT, which
> will result in NAND pins not being properly configured.
> 
> Make the driver use pinctrl, but to prevent breakage on various boards, do not
> fail if the pinctrl data are not available, only print a warning message.
nack

we will at bus level

Best Regards,
J.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
> Cc: Lothar Waßmann <LW@KARO-electronics.de>
> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/mtd/nand/mxc_nand.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
> index 45204e4..ed805fb 100644
> --- a/drivers/mtd/nand/mxc_nand.c
> +++ b/drivers/mtd/nand/mxc_nand.c
> @@ -34,6 +34,7 @@
>  #include <linux/completion.h>
>  #include <linux/of_device.h>
>  #include <linux/of_mtd.h>
> +#include <linux/pinctrl/consumer.h>
>  
>  #include <asm/mach/flash.h>
>  #include <linux/platform_data/mtd-mxc_nand.h>
> @@ -1385,6 +1386,7 @@ static int mxcnd_probe(struct platform_device *pdev)
>  	struct mtd_info *mtd;
>  	struct mxc_nand_host *host;
>  	struct resource *res;
> +	struct pinctrl *pinctrl;
>  	int err = 0;
>  
>  	/* Allocate memory for MTD device structure and private data */
> @@ -1449,6 +1451,10 @@ static int mxcnd_probe(struct platform_device *pdev)
>  	if (!res)
>  		return -ENODEV;
>  
> +	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> +	if (IS_ERR(pinctrl))
> +		dev_warn(&pdev->dev, "No PINCTRL data for the NAND driver!\n");
> +
>  	host->base = devm_request_and_ioremap(&pdev->dev, res);
>  	if (!host->base)
>  		return -ENOMEM;
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mtd: mxc_nand: Make use of supplied pinctrl data
Date: Tue, 8 Jan 2013 20:58:26 +0100	[thread overview]
Message-ID: <20130108195826.GD7360@game.jcrosoft.org> (raw)
In-Reply-To: <1357568885-15507-1-git-send-email-marex@denx.de>

On 15:28 Mon 07 Jan     , Marek Vasut wrote:
> The MXC NAND driver doesn't consider the pinctrl data supplied via DT, which
> will result in NAND pins not being properly configured.
> 
> Make the driver use pinctrl, but to prevent breakage on various boards, do not
> fail if the pinctrl data are not available, only print a warning message.
nack

we will at bus level

Best Regards,
J.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
> Cc: Lothar Wa?mann <LW@KARO-electronics.de>
> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/mtd/nand/mxc_nand.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
> index 45204e4..ed805fb 100644
> --- a/drivers/mtd/nand/mxc_nand.c
> +++ b/drivers/mtd/nand/mxc_nand.c
> @@ -34,6 +34,7 @@
>  #include <linux/completion.h>
>  #include <linux/of_device.h>
>  #include <linux/of_mtd.h>
> +#include <linux/pinctrl/consumer.h>
>  
>  #include <asm/mach/flash.h>
>  #include <linux/platform_data/mtd-mxc_nand.h>
> @@ -1385,6 +1386,7 @@ static int mxcnd_probe(struct platform_device *pdev)
>  	struct mtd_info *mtd;
>  	struct mxc_nand_host *host;
>  	struct resource *res;
> +	struct pinctrl *pinctrl;
>  	int err = 0;
>  
>  	/* Allocate memory for MTD device structure and private data */
> @@ -1449,6 +1451,10 @@ static int mxcnd_probe(struct platform_device *pdev)
>  	if (!res)
>  		return -ENODEV;
>  
> +	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> +	if (IS_ERR(pinctrl))
> +		dev_warn(&pdev->dev, "No PINCTRL data for the NAND driver!\n");
> +
>  	host->base = devm_request_and_ioremap(&pdev->dev, res);
>  	if (!host->base)
>  		return -ENOMEM;
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2013-01-08 20:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-07 14:28 [PATCH] mtd: mxc_nand: Make use of supplied pinctrl data Marek Vasut
2013-01-07 14:28 ` Marek Vasut
2013-01-07 17:13 ` Sascha Hauer
2013-01-07 17:13   ` Sascha Hauer
2013-01-08 19:58 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-01-08 19:58   ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-08 20:22   ` Marek Vasut
2013-01-08 20:22     ` Marek Vasut
2013-01-09  6:41     ` Shawn Guo
2013-01-09  6:41       ` Shawn Guo
2013-01-09  9:08       ` Marek Vasut
2013-01-09  9:08         ` Marek Vasut

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