* [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code
@ 2023-01-26 20:39 ` Heiner Kallweit
0 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2023-01-26 20:39 UTC (permalink / raw)
To: Andrew Lunn, Russell King - ARM Linux, David Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neil Armstrong,
Kevin Hilman, Jerome Brunet, Martin Blumenstingl
Cc: netdev, linux-arm-kernel, open list:ARM/Amlogic Meson...
By using __clk_is_enabled () we can avoid defining an own variable for
tracking whether enable counter is zero.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/mdio/mdio-mux-meson-g12a.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/net/mdio/mdio-mux-meson-g12a.c b/drivers/net/mdio/mdio-mux-meson-g12a.c
index 1c1ed6e11..9d21fdf85 100644
--- a/drivers/net/mdio/mdio-mux-meson-g12a.c
+++ b/drivers/net/mdio/mdio-mux-meson-g12a.c
@@ -52,7 +52,6 @@
#define MESON_G12A_MDIO_INTERNAL_ID 1
struct g12a_mdio_mux {
- bool pll_is_enabled;
void __iomem *regs;
void *mux_handle;
struct clk *pll;
@@ -152,14 +151,12 @@ static int g12a_enable_internal_mdio(struct g12a_mdio_mux *priv)
int ret;
/* Enable the phy clock */
- if (!priv->pll_is_enabled) {
+ if (!__clk_is_enabled(priv->pll)) {
ret = clk_prepare_enable(priv->pll);
if (ret)
return ret;
}
- priv->pll_is_enabled = true;
-
/* Initialize ephy control */
writel(EPHY_G12A_ID, priv->regs + ETH_PHY_CNTL0);
writel(FIELD_PREP(PHY_CNTL1_ST_MODE, 3) |
@@ -183,10 +180,8 @@ static int g12a_enable_external_mdio(struct g12a_mdio_mux *priv)
writel_relaxed(0x0, priv->regs + ETH_PHY_CNTL2);
/* Disable the phy clock if enabled */
- if (priv->pll_is_enabled) {
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
- priv->pll_is_enabled = false;
- }
return 0;
}
@@ -338,7 +333,7 @@ static int g12a_mdio_mux_remove(struct platform_device *pdev)
mdio_mux_uninit(priv->mux_handle);
- if (priv->pll_is_enabled)
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
return 0;
--
2.39.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code
@ 2023-01-26 20:39 ` Heiner Kallweit
0 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2023-01-26 20:39 UTC (permalink / raw)
To: Andrew Lunn, Russell King - ARM Linux, David Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neil Armstrong,
Kevin Hilman, Jerome Brunet, Martin Blumenstingl
Cc: netdev, linux-arm-kernel, open list:ARM/Amlogic Meson...
By using __clk_is_enabled () we can avoid defining an own variable for
tracking whether enable counter is zero.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/mdio/mdio-mux-meson-g12a.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/net/mdio/mdio-mux-meson-g12a.c b/drivers/net/mdio/mdio-mux-meson-g12a.c
index 1c1ed6e11..9d21fdf85 100644
--- a/drivers/net/mdio/mdio-mux-meson-g12a.c
+++ b/drivers/net/mdio/mdio-mux-meson-g12a.c
@@ -52,7 +52,6 @@
#define MESON_G12A_MDIO_INTERNAL_ID 1
struct g12a_mdio_mux {
- bool pll_is_enabled;
void __iomem *regs;
void *mux_handle;
struct clk *pll;
@@ -152,14 +151,12 @@ static int g12a_enable_internal_mdio(struct g12a_mdio_mux *priv)
int ret;
/* Enable the phy clock */
- if (!priv->pll_is_enabled) {
+ if (!__clk_is_enabled(priv->pll)) {
ret = clk_prepare_enable(priv->pll);
if (ret)
return ret;
}
- priv->pll_is_enabled = true;
-
/* Initialize ephy control */
writel(EPHY_G12A_ID, priv->regs + ETH_PHY_CNTL0);
writel(FIELD_PREP(PHY_CNTL1_ST_MODE, 3) |
@@ -183,10 +180,8 @@ static int g12a_enable_external_mdio(struct g12a_mdio_mux *priv)
writel_relaxed(0x0, priv->regs + ETH_PHY_CNTL2);
/* Disable the phy clock if enabled */
- if (priv->pll_is_enabled) {
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
- priv->pll_is_enabled = false;
- }
return 0;
}
@@ -338,7 +333,7 @@ static int g12a_mdio_mux_remove(struct platform_device *pdev)
mdio_mux_uninit(priv->mux_handle);
- if (priv->pll_is_enabled)
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
return 0;
--
2.39.1
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code
@ 2023-01-26 20:39 ` Heiner Kallweit
0 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2023-01-26 20:39 UTC (permalink / raw)
To: Andrew Lunn, Russell King - ARM Linux, David Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neil Armstrong,
Kevin Hilman, Jerome Brunet, Martin Blumenstingl
Cc: netdev, linux-arm-kernel, open list:ARM/Amlogic Meson...
By using __clk_is_enabled () we can avoid defining an own variable for
tracking whether enable counter is zero.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/mdio/mdio-mux-meson-g12a.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/net/mdio/mdio-mux-meson-g12a.c b/drivers/net/mdio/mdio-mux-meson-g12a.c
index 1c1ed6e11..9d21fdf85 100644
--- a/drivers/net/mdio/mdio-mux-meson-g12a.c
+++ b/drivers/net/mdio/mdio-mux-meson-g12a.c
@@ -52,7 +52,6 @@
#define MESON_G12A_MDIO_INTERNAL_ID 1
struct g12a_mdio_mux {
- bool pll_is_enabled;
void __iomem *regs;
void *mux_handle;
struct clk *pll;
@@ -152,14 +151,12 @@ static int g12a_enable_internal_mdio(struct g12a_mdio_mux *priv)
int ret;
/* Enable the phy clock */
- if (!priv->pll_is_enabled) {
+ if (!__clk_is_enabled(priv->pll)) {
ret = clk_prepare_enable(priv->pll);
if (ret)
return ret;
}
- priv->pll_is_enabled = true;
-
/* Initialize ephy control */
writel(EPHY_G12A_ID, priv->regs + ETH_PHY_CNTL0);
writel(FIELD_PREP(PHY_CNTL1_ST_MODE, 3) |
@@ -183,10 +180,8 @@ static int g12a_enable_external_mdio(struct g12a_mdio_mux *priv)
writel_relaxed(0x0, priv->regs + ETH_PHY_CNTL2);
/* Disable the phy clock if enabled */
- if (priv->pll_is_enabled) {
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
- priv->pll_is_enabled = false;
- }
return 0;
}
@@ -338,7 +333,7 @@ static int g12a_mdio_mux_remove(struct platform_device *pdev)
mdio_mux_uninit(priv->mux_handle);
- if (priv->pll_is_enabled)
+ if (__clk_is_enabled(priv->pll))
clk_disable_unprepare(priv->pll);
return 0;
--
2.39.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code
2023-01-26 20:39 ` Heiner Kallweit
@ 2023-01-31 4:59 ` Jakub Kicinski
-1 siblings, 0 replies; 5+ messages in thread
From: Jakub Kicinski @ 2023-01-31 4:59 UTC (permalink / raw)
To: Heiner Kallweit
Cc: Andrew Lunn, Russell King - ARM Linux, David Miller,
Eric Dumazet, Paolo Abeni, Neil Armstrong, Kevin Hilman,
Jerome Brunet, Martin Blumenstingl, netdev, linux-arm-kernel,
open list:ARM/Amlogic Meson...
On Thu, 26 Jan 2023 21:39:16 +0100 Heiner Kallweit wrote:
> By using __clk_is_enabled () we can avoid defining an own variable for
> tracking whether enable counter is zero.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Appears to have been applied, thanks!
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code
@ 2023-01-31 4:59 ` Jakub Kicinski
0 siblings, 0 replies; 5+ messages in thread
From: Jakub Kicinski @ 2023-01-31 4:59 UTC (permalink / raw)
To: Heiner Kallweit
Cc: Andrew Lunn, Russell King - ARM Linux, David Miller,
Eric Dumazet, Paolo Abeni, Neil Armstrong, Kevin Hilman,
Jerome Brunet, Martin Blumenstingl, netdev, linux-arm-kernel,
open list:ARM/Amlogic Meson...
On Thu, 26 Jan 2023 21:39:16 +0100 Heiner Kallweit wrote:
> By using __clk_is_enabled () we can avoid defining an own variable for
> tracking whether enable counter is zero.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Appears to have been applied, thanks!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-01-31 5:00 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2023-01-26 20:39 [PATCH net-next] net: mdio: mux-meson-g12a: use __clk_is_enabled to simplify the code Heiner Kallweit
2023-01-26 20:39 ` Heiner Kallweit
2023-01-26 20:39 ` Heiner Kallweit
2023-01-31 4:59 ` Jakub Kicinski
2023-01-31 4:59 ` Jakub Kicinski
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