[PATCH v3] nvmem: mtk-efuse: Remove EFUSE register write support
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
---
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 = >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
Re: [PATCH v2] nvmem: mtk-efuse: Remove EFUSE register write support
Hi Andrew:
OK, I will fix it.
Thanks a lot.
Alex
On Wed, 2020-08-26 at 16:30 +0800, andrew-ct chen wrote:
> Hi Chih-En,
>
> On Wed, 2020-08-26 at 14:21 +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.
>
> The fixed patch should be ba360fd040e34 ("nvmem: mtk-efuse: remove nvmem
> regmap dependency")
>
> > Fixes: 4c7e4fe37766 ("nvmem: mediatek: Add Mediatek EFUSE driver")
> > Signed-off-by: Chih-En Hsu
> > ---
> > 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 = >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;
>
>
[PATCH v2] nvmem: mtk-efuse: Remove EFUSE register write support
This patch is to remove function "mtk_reg_write" since
Mediatek EFUSE hardware only supports read functionality
for NVMEM consumers.
Fixes: 4c7e4fe37766 ("nvmem: mediatek: Add Mediatek EFUSE driver")
Signed-off-by: Chih-En Hsu
---
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 = >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
Re: [PATCH] nvmem: mtk-efuse: Remove EFUSE register write support
Hi CK:
I see.
I will add the following fix tag into the next patch version.
Fixes: 4c7e4fe37766 ("nvmem: mediatek: Add Mediatek EFUSE driver")
Thanks a lot.
Alex
On Wed, 2020-08-26 at 13:16 +0800, CK Hu wrote:
> Hi, Chih-En:
>
> On Wed, 2020-08-26 at 13:01 +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.
> >
>
> This is a bug-fix patch, so need a 'Fixes' tag. You could refer to [1].
>
> [1]
> https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-changes
>
> Regards,
> CK.
>
> > Signed-off-by: Chih-En Hsu
> > ---
> > 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 = >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;
>
>
[PATCH] nvmem: mtk-efuse: Remove EFUSE register write support
This patch is to remove function "mtk_reg_write" since
Mediatek EFUSE hardware only supports read functionality
for NVMEM consumers.
Signed-off-by: Chih-En Hsu
---
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 = >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
