* [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support
@ 2020-08-26 8:39 Chih-En Hsu
2020-08-26 13:31 ` andrew-ct chen
2020-09-04 11:07 ` Srinivas Kandagatla
0 siblings, 2 replies; 3+ messages in thread
From: Chih-En Hsu @ 2020-08-26 8:39 UTC (permalink / raw)
To: Srinivas Kandagatla, Matthias Brugger
Cc: linux-arm-kernel, linux-mediatek, linux-kernel, srv_heupstream,
Andrew-CT.Chen, Michael.Mei, Chih-En Hsu
This patch is to remove function "mtk_reg_write" since
Mediatek EFUSE hardware only supports read functionality
for NVMEM consumers.
Fixes: ba360fd040e3 ("nvmem: mtk-efuse: remove nvmem regmap dependency")
Signed-off-by: Chih-En Hsu <chih-en.hsu@mediatek.com>
---
drivers/nvmem/mtk-efuse.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index 856d9c3fc38e..6a537d959f14 100644
--- a/drivers/nvmem/mtk-efuse.c
+++ b/drivers/nvmem/mtk-efuse.c
@@ -28,19 +28,6 @@ static int mtk_reg_read(void *context,
return 0;
}
-static int mtk_reg_write(void *context,
- unsigned int reg, void *_val, size_t bytes)
-{
- struct mtk_efuse_priv *priv = context;
- u32 *val = _val;
- int i = 0, words = bytes / 4;
-
- while (words--)
- writel(*val++, priv->base + reg + (i++ * 4));
-
- return 0;
-}
-
static int mtk_efuse_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -61,7 +48,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
econfig.stride = 4;
econfig.word_size = 4;
econfig.reg_read = mtk_reg_read;
- econfig.reg_write = mtk_reg_write;
econfig.size = resource_size(res);
econfig.priv = priv;
econfig.dev = dev;
--
2.18.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support
2020-08-26 8:39 [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support Chih-En Hsu
@ 2020-08-26 13:31 ` andrew-ct chen
2020-09-04 11:07 ` Srinivas Kandagatla
1 sibling, 0 replies; 3+ messages in thread
From: andrew-ct chen @ 2020-08-26 13:31 UTC (permalink / raw)
To: Chih-En Hsu
Cc: Srinivas Kandagatla, Matthias Brugger, linux-arm-kernel,
linux-mediatek, linux-kernel, srv_heupstream, Michael.Mei
Hi Chih-En,
On Wed, 2020-08-26 at 16:39 +0800, Chih-En Hsu wrote:
> This patch is to remove function "mtk_reg_write" since
> Mediatek EFUSE hardware only supports read functionality
> for NVMEM consumers.
Acked-by: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
>
> Fixes: ba360fd040e3 ("nvmem: mtk-efuse: remove nvmem regmap dependency")
> Signed-off-by: Chih-En Hsu <chih-en.hsu@mediatek.com>
> ---
> drivers/nvmem/mtk-efuse.c | 14 --------------
> 1 file changed, 14 deletions(-)
>
> diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
> index 856d9c3fc38e..6a537d959f14 100644
> --- a/drivers/nvmem/mtk-efuse.c
> +++ b/drivers/nvmem/mtk-efuse.c
> @@ -28,19 +28,6 @@ static int mtk_reg_read(void *context,
> return 0;
> }
>
> -static int mtk_reg_write(void *context,
> - unsigned int reg, void *_val, size_t bytes)
> -{
> - struct mtk_efuse_priv *priv = context;
> - u32 *val = _val;
> - int i = 0, words = bytes / 4;
> -
> - while (words--)
> - writel(*val++, priv->base + reg + (i++ * 4));
> -
> - return 0;
> -}
> -
> static int mtk_efuse_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -61,7 +48,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
> econfig.stride = 4;
> econfig.word_size = 4;
> econfig.reg_read = mtk_reg_read;
> - econfig.reg_write = mtk_reg_write;
> econfig.size = resource_size(res);
> econfig.priv = priv;
> econfig.dev = dev;
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support
2020-08-26 8:39 [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support Chih-En Hsu
2020-08-26 13:31 ` andrew-ct chen
@ 2020-09-04 11:07 ` Srinivas Kandagatla
1 sibling, 0 replies; 3+ messages in thread
From: Srinivas Kandagatla @ 2020-09-04 11:07 UTC (permalink / raw)
To: Chih-En Hsu, Matthias Brugger
Cc: linux-arm-kernel, linux-mediatek, linux-kernel, srv_heupstream,
Andrew-CT.Chen, Michael.Mei
On 26/08/2020 09:39, Chih-En Hsu wrote:
> This patch is to remove function "mtk_reg_write" since
> Mediatek EFUSE hardware only supports read functionality
> for NVMEM consumers.
>
> Fixes: ba360fd040e3 ("nvmem: mtk-efuse: remove nvmem regmap dependency")
> Signed-off-by: Chih-En Hsu <chih-en.hsu@mediatek.com>
> ---
> drivers/nvmem/mtk-efuse.c | 14 --------------
> 1 file changed, 14 deletions(-)
Applied thanks!
--srini
>
> diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
> index 856d9c3fc38e..6a537d959f14 100644
> --- a/drivers/nvmem/mtk-efuse.c
> +++ b/drivers/nvmem/mtk-efuse.c
> @@ -28,19 +28,6 @@ static int mtk_reg_read(void *context,
> return 0;
> }
>
> -static int mtk_reg_write(void *context,
> - unsigned int reg, void *_val, size_t bytes)
> -{
> - struct mtk_efuse_priv *priv = context;
> - u32 *val = _val;
> - int i = 0, words = bytes / 4;
> -
> - while (words--)
> - writel(*val++, priv->base + reg + (i++ * 4));
> -
> - return 0;
> -}
> -
> static int mtk_efuse_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -61,7 +48,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
> econfig.stride = 4;
> econfig.word_size = 4;
> econfig.reg_read = mtk_reg_read;
> - econfig.reg_write = mtk_reg_write;
> econfig.size = resource_size(res);
> econfig.priv = priv;
> econfig.dev = dev;
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-08-26 8:39 [PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support Chih-En Hsu
2020-08-26 13:31 ` andrew-ct chen
2020-09-04 11:07 ` Srinivas Kandagatla
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