linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] mtd: physmap_of: Retire Gemini pad control
@ 2017-08-08 19:05 Linus Walleij
  2017-08-08 21:44 ` Marek Vasut
  2017-08-17 13:04 ` Boris Brezillon
  0 siblings, 2 replies; 3+ messages in thread
From: Linus Walleij @ 2017-08-08 19:05 UTC (permalink / raw)
  To: linux-arm-kernel

I wrote a proper pin control driver for the Gemini. Retire this
SoC-specific pad control and rely on the pin controller to manage
this.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/mtd/maps/physmap_of_gemini.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/drivers/mtd/maps/physmap_of_gemini.c b/drivers/mtd/maps/physmap_of_gemini.c
index 05b286b5289f..4ed1a6bb4d3c 100644
--- a/drivers/mtd/maps/physmap_of_gemini.c
+++ b/drivers/mtd/maps/physmap_of_gemini.c
@@ -43,13 +43,6 @@
 
 #define FLASH_PARALLEL_HIGH_PIN_CNT	(1 << 20)	/* else low pin cnt */
 
-/* Miscellaneous Control Register */
-#define GLOBAL_MISC_CTRL		0x30
-#define FLASH_PADS_MASK			0x07
-#define NAND_PADS_DISABLE		BIT(2)
-#define PFLASH_PADS_DISABLE		BIT(1)
-#define SFLASH_PADS_DISABLE		BIT(0)
-
 static const struct of_device_id syscon_match[] = {
 	{ .compatible = "cortina,gemini-syscon" },
 	{ },
@@ -102,15 +95,6 @@ int of_flash_probe_gemini(struct platform_device *pdev,
 				 map->bankwidth * 8);
 	}
 
-	/* Activate parallel (NOR flash) mode */
-	ret = regmap_update_bits(rmap, GLOBAL_MISC_CTRL,
-				 FLASH_PADS_MASK,
-				 SFLASH_PADS_DISABLE | NAND_PADS_DISABLE);
-	if (ret) {
-		dev_err(dev, "unable to set up physmap pads\n");
-		return -ENODEV;
-	}
-
 	dev_info(&pdev->dev, "initialized Gemini-specific physmap control\n");
 
 	return 0;
-- 
2.9.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] mtd: physmap_of: Retire Gemini pad control
  2017-08-08 19:05 [PATCH] mtd: physmap_of: Retire Gemini pad control Linus Walleij
@ 2017-08-08 21:44 ` Marek Vasut
  2017-08-17 13:04 ` Boris Brezillon
  1 sibling, 0 replies; 3+ messages in thread
From: Marek Vasut @ 2017-08-08 21:44 UTC (permalink / raw)
  To: linux-arm-kernel

On 08/08/2017 09:05 PM, Linus Walleij wrote:
> I wrote a proper pin control driver for the Gemini. Retire this
> SoC-specific pad control and rely on the pin controller to manage
> this.
> 
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Reviewed-by: Marek Vasut <marek.vasut@gmail.com>

Thanks!

> ---
>  drivers/mtd/maps/physmap_of_gemini.c | 16 ----------------
>  1 file changed, 16 deletions(-)
> 
> diff --git a/drivers/mtd/maps/physmap_of_gemini.c b/drivers/mtd/maps/physmap_of_gemini.c
> index 05b286b5289f..4ed1a6bb4d3c 100644
> --- a/drivers/mtd/maps/physmap_of_gemini.c
> +++ b/drivers/mtd/maps/physmap_of_gemini.c
> @@ -43,13 +43,6 @@
>  
>  #define FLASH_PARALLEL_HIGH_PIN_CNT	(1 << 20)	/* else low pin cnt */
>  
> -/* Miscellaneous Control Register */
> -#define GLOBAL_MISC_CTRL		0x30
> -#define FLASH_PADS_MASK			0x07
> -#define NAND_PADS_DISABLE		BIT(2)
> -#define PFLASH_PADS_DISABLE		BIT(1)
> -#define SFLASH_PADS_DISABLE		BIT(0)
> -
>  static const struct of_device_id syscon_match[] = {
>  	{ .compatible = "cortina,gemini-syscon" },
>  	{ },
> @@ -102,15 +95,6 @@ int of_flash_probe_gemini(struct platform_device *pdev,
>  				 map->bankwidth * 8);
>  	}
>  
> -	/* Activate parallel (NOR flash) mode */
> -	ret = regmap_update_bits(rmap, GLOBAL_MISC_CTRL,
> -				 FLASH_PADS_MASK,
> -				 SFLASH_PADS_DISABLE | NAND_PADS_DISABLE);
> -	if (ret) {
> -		dev_err(dev, "unable to set up physmap pads\n");
> -		return -ENODEV;
> -	}
> -
>  	dev_info(&pdev->dev, "initialized Gemini-specific physmap control\n");
>  
>  	return 0;
> 


-- 
Best regards,
Marek Vasut

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] mtd: physmap_of: Retire Gemini pad control
  2017-08-08 19:05 [PATCH] mtd: physmap_of: Retire Gemini pad control Linus Walleij
  2017-08-08 21:44 ` Marek Vasut
@ 2017-08-17 13:04 ` Boris Brezillon
  1 sibling, 0 replies; 3+ messages in thread
From: Boris Brezillon @ 2017-08-17 13:04 UTC (permalink / raw)
  To: linux-arm-kernel

Le Tue,  8 Aug 2017 21:05:10 +0200,
Linus Walleij <linus.walleij@linaro.org> a ?crit :

> I wrote a proper pin control driver for the Gemini. Retire this
> SoC-specific pad control and rely on the pin controller to manage
> this.
> 

Applied to l2-mtd/master.

Thanks,

Boris

> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
>  drivers/mtd/maps/physmap_of_gemini.c | 16 ----------------
>  1 file changed, 16 deletions(-)
> 
> diff --git a/drivers/mtd/maps/physmap_of_gemini.c b/drivers/mtd/maps/physmap_of_gemini.c
> index 05b286b5289f..4ed1a6bb4d3c 100644
> --- a/drivers/mtd/maps/physmap_of_gemini.c
> +++ b/drivers/mtd/maps/physmap_of_gemini.c
> @@ -43,13 +43,6 @@
>  
>  #define FLASH_PARALLEL_HIGH_PIN_CNT	(1 << 20)	/* else low pin cnt */
>  
> -/* Miscellaneous Control Register */
> -#define GLOBAL_MISC_CTRL		0x30
> -#define FLASH_PADS_MASK			0x07
> -#define NAND_PADS_DISABLE		BIT(2)
> -#define PFLASH_PADS_DISABLE		BIT(1)
> -#define SFLASH_PADS_DISABLE		BIT(0)
> -
>  static const struct of_device_id syscon_match[] = {
>  	{ .compatible = "cortina,gemini-syscon" },
>  	{ },
> @@ -102,15 +95,6 @@ int of_flash_probe_gemini(struct platform_device *pdev,
>  				 map->bankwidth * 8);
>  	}
>  
> -	/* Activate parallel (NOR flash) mode */
> -	ret = regmap_update_bits(rmap, GLOBAL_MISC_CTRL,
> -				 FLASH_PADS_MASK,
> -				 SFLASH_PADS_DISABLE | NAND_PADS_DISABLE);
> -	if (ret) {
> -		dev_err(dev, "unable to set up physmap pads\n");
> -		return -ENODEV;
> -	}
> -
>  	dev_info(&pdev->dev, "initialized Gemini-specific physmap control\n");
>  
>  	return 0;

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-08-17 13:04 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-08-08 19:05 [PATCH] mtd: physmap_of: Retire Gemini pad control Linus Walleij
2017-08-08 21:44 ` Marek Vasut
2017-08-17 13:04 ` Boris Brezillon

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).