* [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-04-18 11:41 ` Simon Horman
0 siblings, 0 replies; 14+ messages in thread
From: Simon Horman @ 2023-04-18 11:41 UTC (permalink / raw)
To: Nishanth Menon, Santosh Shilimkar
Cc: Nathan Chancellor, Nick Desaulniers, Tom Rix, linux-kernel,
linux-arm-kernel, llvm, Simon Horman
Rather than casting clk_unregister_mux to an incompatible function
type provide a trivial wrapper with the correct signature for the
use-case.
Reported by clang-16 with W=1:
drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
No functional change intended.
Compile tested only.
Signed-off-by: Simon Horman <horms@kernel.org>
---
drivers/soc/ti/pruss.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
index 6882c86b3ce5..e68441bd7b30 100644
--- a/drivers/soc/ti/pruss.c
+++ b/drivers/soc/ti/pruss.c
@@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
of_node_put(clk_mux_np);
}
+static void pruss_clk_unregister_mux(void *data)
+{
+ clk_unregister_mux(data);
+}
+
static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
char *mux_name, struct device_node *clks_np)
{
@@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
goto put_clk_mux_np;
}
- ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
- clk_mux);
+ ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
if (ret) {
dev_err(dev, "failed to add clkmux unregister action %d", ret);
goto put_clk_mux_np;
_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-18 11:41 ` Simon Horman
@ 2023-04-18 18:44 ` Nick Desaulniers
-1 siblings, 0 replies; 14+ messages in thread
From: Nick Desaulniers @ 2023-04-18 18:44 UTC (permalink / raw)
To: Simon Horman
Cc: Nishanth Menon, Santosh Shilimkar, Nathan Chancellor, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 4:41 AM Simon Horman <horms@kernel.org> wrote:
>
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Here's some more suspects to look at, if you have cycles:
drivers/base/devres.c:734:int __devm_add_action(struct device *dev,
void (*action)(void *), void *data, const char *name)
drivers/i2c/busses/i2c-mchp-pci1xxxx.c:1159: ret =
devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c);
drivers/soc/ti/pruss.c:96: ret = devm_add_action_or_reset(dev,
(void(*)(void *))clk_unregister_mux,
drivers/mmc/host/meson-mx-sdhc-mmc.c:791: ret =
devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
drivers/pci/controller/pcie-microchip-host.c:866:
devm_add_action_or_reset(dev, (void (*) (void
*))clk_disable_unprepare,
>
> Signed-off-by: Simon Horman <horms@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
--
Thanks,
~Nick Desaulniers
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-04-18 18:44 ` Nick Desaulniers
0 siblings, 0 replies; 14+ messages in thread
From: Nick Desaulniers @ 2023-04-18 18:44 UTC (permalink / raw)
To: Simon Horman
Cc: Nishanth Menon, Santosh Shilimkar, Nathan Chancellor, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 4:41 AM Simon Horman <horms@kernel.org> wrote:
>
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Here's some more suspects to look at, if you have cycles:
drivers/base/devres.c:734:int __devm_add_action(struct device *dev,
void (*action)(void *), void *data, const char *name)
drivers/i2c/busses/i2c-mchp-pci1xxxx.c:1159: ret =
devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c);
drivers/soc/ti/pruss.c:96: ret = devm_add_action_or_reset(dev,
(void(*)(void *))clk_unregister_mux,
drivers/mmc/host/meson-mx-sdhc-mmc.c:791: ret =
devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
drivers/pci/controller/pcie-microchip-host.c:866:
devm_add_action_or_reset(dev, (void (*) (void
*))clk_disable_unprepare,
>
> Signed-off-by: Simon Horman <horms@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
--
Thanks,
~Nick Desaulniers
_______________________________________________
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] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-18 18:44 ` Nick Desaulniers
@ 2023-04-19 5:45 ` Simon Horman
-1 siblings, 0 replies; 14+ messages in thread
From: Simon Horman @ 2023-04-19 5:45 UTC (permalink / raw)
To: Nick Desaulniers
Cc: Nishanth Menon, Santosh Shilimkar, Nathan Chancellor, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 11:44:28AM -0700, Nick Desaulniers wrote:
> On Tue, Apr 18, 2023 at 4:41 AM Simon Horman <horms@kernel.org> wrote:
> >
> > Rather than casting clk_unregister_mux to an incompatible function
> > type provide a trivial wrapper with the correct signature for the
> > use-case.
> >
> > Reported by clang-16 with W=1:
> >
> > drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> > ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> >
> > No functional change intended.
> > Compile tested only.
>
> Thanks for the patch!
> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
>
> Here's some more suspects to look at, if you have cycles:
> drivers/base/devres.c:734:int __devm_add_action(struct device *dev,
> void (*action)(void *), void *data, const char *name)
> drivers/i2c/busses/i2c-mchp-pci1xxxx.c:1159: ret =
> devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c);
> drivers/soc/ti/pruss.c:96: ret = devm_add_action_or_reset(dev,
> (void(*)(void *))clk_unregister_mux,
> drivers/mmc/host/meson-mx-sdhc-mmc.c:791: ret =
> devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
> drivers/pci/controller/pcie-microchip-host.c:866:
> devm_add_action_or_reset(dev, (void (*) (void
> *))clk_disable_unprepare,
Thanks, I will take a look as a background task.
Let me know if there is any urgency on your side.
...
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-04-19 5:45 ` Simon Horman
0 siblings, 0 replies; 14+ messages in thread
From: Simon Horman @ 2023-04-19 5:45 UTC (permalink / raw)
To: Nick Desaulniers
Cc: Nishanth Menon, Santosh Shilimkar, Nathan Chancellor, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 11:44:28AM -0700, Nick Desaulniers wrote:
> On Tue, Apr 18, 2023 at 4:41 AM Simon Horman <horms@kernel.org> wrote:
> >
> > Rather than casting clk_unregister_mux to an incompatible function
> > type provide a trivial wrapper with the correct signature for the
> > use-case.
> >
> > Reported by clang-16 with W=1:
> >
> > drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> > ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> >
> > No functional change intended.
> > Compile tested only.
>
> Thanks for the patch!
> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
>
> Here's some more suspects to look at, if you have cycles:
> drivers/base/devres.c:734:int __devm_add_action(struct device *dev,
> void (*action)(void *), void *data, const char *name)
> drivers/i2c/busses/i2c-mchp-pci1xxxx.c:1159: ret =
> devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c);
> drivers/soc/ti/pruss.c:96: ret = devm_add_action_or_reset(dev,
> (void(*)(void *))clk_unregister_mux,
> drivers/mmc/host/meson-mx-sdhc-mmc.c:791: ret =
> devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
> drivers/pci/controller/pcie-microchip-host.c:866:
> devm_add_action_or_reset(dev, (void (*) (void
> *))clk_disable_unprepare,
Thanks, I will take a look as a background task.
Let me know if there is any urgency on your side.
...
_______________________________________________
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] 14+ messages in thread
* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-19 5:45 ` Simon Horman
(?)
@ 2023-04-19 21:14 ` Nick Desaulniers
-1 siblings, 0 replies; 14+ messages in thread
From: Nick Desaulniers @ 2023-04-19 21:14 UTC (permalink / raw)
To: Simon Horman; +Cc: Nathan Chancellor, Tom Rix, llvm
On Tue, Apr 18, 2023 at 10:45 PM Simon Horman <horms@kernel.org> wrote:
>
> On Tue, Apr 18, 2023 at 11:44:28AM -0700, Nick Desaulniers wrote:
> > On Tue, Apr 18, 2023 at 4:41 AM Simon Horman <horms@kernel.org> wrote:
> > >
> > > Rather than casting clk_unregister_mux to an incompatible function
> > > type provide a trivial wrapper with the correct signature for the
> > > use-case.
> > >
> > > Reported by clang-16 with W=1:
> > >
> > > drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> > > ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> > >
> > > No functional change intended.
> > > Compile tested only.
> >
> > Thanks for the patch!
> > Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
> >
> > Here's some more suspects to look at, if you have cycles:
> > drivers/base/devres.c:734:int __devm_add_action(struct device *dev,
> > void (*action)(void *), void *data, const char *name)
> > drivers/i2c/busses/i2c-mchp-pci1xxxx.c:1159: ret =
> > devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c);
> > drivers/soc/ti/pruss.c:96: ret = devm_add_action_or_reset(dev,
> > (void(*)(void *))clk_unregister_mux,
> > drivers/mmc/host/meson-mx-sdhc-mmc.c:791: ret =
> > devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
> > drivers/pci/controller/pcie-microchip-host.c:866:
> > devm_add_action_or_reset(dev, (void (*) (void
> > *))clk_disable_unprepare,
>
> Thanks, I will take a look as a background task.
> Let me know if there is any urgency on your side.
No urgency on W=1 warnings. They are good cleanups to do. I meant to
invite you to our meeting today (but forgot):
https://clangbuiltlinux.github.io/ has links to more info under
"Bi-weekly video meeting".
We could use your help if there's anything in our issue tracker that
looks tractable: https://github.com/ClangBuiltLinux/linux/issues
Thanks for the patches.
--
Thanks,
~Nick Desaulniers
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-18 11:41 ` Simon Horman
@ 2023-04-18 18:44 ` Nathan Chancellor
-1 siblings, 0 replies; 14+ messages in thread
From: Nathan Chancellor @ 2023-04-18 18:44 UTC (permalink / raw)
To: Simon Horman
Cc: Nishanth Menon, Santosh Shilimkar, Nick Desaulniers, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 01:41:48PM +0200, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-04-18 18:44 ` Nathan Chancellor
0 siblings, 0 replies; 14+ messages in thread
From: Nathan Chancellor @ 2023-04-18 18:44 UTC (permalink / raw)
To: Simon Horman
Cc: Nishanth Menon, Santosh Shilimkar, Nick Desaulniers, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
On Tue, Apr 18, 2023 at 01:41:48PM +0200, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-18 11:41 ` Simon Horman
@ 2023-04-20 5:49 ` Md Danish Anwar
-1 siblings, 0 replies; 14+ messages in thread
From: Md Danish Anwar @ 2023-04-20 5:49 UTC (permalink / raw)
To: Simon Horman, Nishanth Menon, Santosh Shilimkar
Cc: Nathan Chancellor, Nick Desaulniers, Tom Rix, linux-kernel,
linux-arm-kernel, llvm
On 18/04/23 17:11, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
>
> From mboxrd@z Thu Jan 1 00:00:00 1970
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> From: Simon Horman <horms@kernel.org>
> Date: Tue, 18 Apr 2023 13:41:48 +0200
> Subject: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
> MIME-Version: 1.0
> Message-Id: <20230418-pruss-clk-cb-v1-1-549a7e7febe4@kernel.org>
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> sqdHiUdtrdbkpF/n+H4/nef4A+lxSD3MAAAA=
> To: Nishanth Menon <nm@ti.com>, Santosh Shilimkar <ssantosh@kernel.org>
> Cc: Nathan Chancellor <nathan@kernel.org>,
> Nick Desaulniers <ndesaulniers@google.com>, Tom Rix <trix@redhat.com>,
> linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
> llvm@lists.linux.dev, Simon Horman <horms@kernel.org>
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>
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
--
Thanks and Regards,
Danish.
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-04-20 5:49 ` Md Danish Anwar
0 siblings, 0 replies; 14+ messages in thread
From: Md Danish Anwar @ 2023-04-20 5:49 UTC (permalink / raw)
To: Simon Horman, Nishanth Menon, Santosh Shilimkar
Cc: Nathan Chancellor, Nick Desaulniers, Tom Rix, linux-kernel,
linux-arm-kernel, llvm
On 18/04/23 17:11, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
>
> From mboxrd@z Thu Jan 1 00:00:00 1970
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> From: Simon Horman <horms@kernel.org>
> Date: Tue, 18 Apr 2023 13:41:48 +0200
> Subject: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
> MIME-Version: 1.0
> Message-Id: <20230418-pruss-clk-cb-v1-1-549a7e7febe4@kernel.org>
> X-B4-Tracking: v=1; b=H4sIAPuBPmQC/x2N0QqDMAwAf0XyvICtE8d+ZeyhjekMlk4SHAPx3
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> sqdHiUdtrdbkpF/n+H4/nef4A+lxSD3MAAAA=
> To: Nishanth Menon <nm@ti.com>, Santosh Shilimkar <ssantosh@kernel.org>
> Cc: Nathan Chancellor <nathan@kernel.org>,
> Nick Desaulniers <ndesaulniers@google.com>, Tom Rix <trix@redhat.com>,
> linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
> llvm@lists.linux.dev, Simon Horman <horms@kernel.org>
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>
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> No functional change intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
> ---
> drivers/soc/ti/pruss.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c
> index 6882c86b3ce5..e68441bd7b30 100644
> --- a/drivers/soc/ti/pruss.c
> +++ b/drivers/soc/ti/pruss.c
> @@ -38,6 +38,11 @@ static void pruss_of_free_clk_provider(void *data)
> of_node_put(clk_mux_np);
> }
>
> +static void pruss_clk_unregister_mux(void *data)
> +{
> + clk_unregister_mux(data);
> +}
> +
> static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> char *mux_name, struct device_node *clks_np)
> {
> @@ -93,8 +98,7 @@ static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,
> goto put_clk_mux_np;
> }
>
> - ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> - clk_mux);
> + ret = devm_add_action_or_reset(dev, pruss_clk_unregister_mux, clk_mux);
> if (ret) {
> dev_err(dev, "failed to add clkmux unregister action %d", ret);
> goto put_clk_mux_np;
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
--
Thanks and Regards,
Danish.
_______________________________________________
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] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-20 5:49 ` Md Danish Anwar
(?)
@ 2023-05-08 13:45 ` Simon Horman
-1 siblings, 0 replies; 14+ messages in thread
From: Simon Horman @ 2023-05-08 13:45 UTC (permalink / raw)
To: Md Danish Anwar
Cc: Nishanth Menon, Santosh Shilimkar, Nathan Chancellor,
Nick Desaulniers, Tom Rix, linux-kernel, linux-arm-kernel, llvm
On Thu, Apr 20, 2023 at 11:19:59AM +0530, Md Danish Anwar wrote:
> On 18/04/23 17:11, Simon Horman wrote:
...
> > Rather than casting clk_unregister_mux to an incompatible function
> > type provide a trivial wrapper with the correct signature for the
> > use-case.
> >
> > Reported by clang-16 with W=1:
> >
> > drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> > ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
> >
> > No functional change intended.
> > Compile tested only.
> >
> > Signed-off-by: Simon Horman <horms@kernel.org>
>
> Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Hi,
I'm wondering what the path of this patch to Linus's tree might be.
Perhaps naively, I expected it to show up in v6.4-rc1.
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
2023-04-18 11:41 ` Simon Horman
@ 2023-05-17 17:55 ` Nishanth Menon
-1 siblings, 0 replies; 14+ messages in thread
From: Nishanth Menon @ 2023-05-17 17:55 UTC (permalink / raw)
To: Santosh Shilimkar, Simon Horman
Cc: Nishanth Menon, Nathan Chancellor, Nick Desaulniers, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
Hi Simon Horman,
On Tue, 18 Apr 2023 13:41:48 +0200, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> [...]
I have applied the following to branch ti-drivers-soc-next on [1].
NOTE: I think this is trivial fixup, which I think is better off for
the next window.
Thank you!
[1/1] soc: ti: pruss: Avoid cast to incompatible function type
commit: 413552b360e72604b8c0cf3f60f9e6f01c8ff963
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent up the chain during
the next merge window (or sooner if it is a relevant bug fix), however if
problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying
to this mail.
[1] git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux.git
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [PATCH] soc: ti: pruss: Avoid cast to incompatible function type
@ 2023-05-17 17:55 ` Nishanth Menon
0 siblings, 0 replies; 14+ messages in thread
From: Nishanth Menon @ 2023-05-17 17:55 UTC (permalink / raw)
To: Santosh Shilimkar, Simon Horman
Cc: Nishanth Menon, Nathan Chancellor, Nick Desaulniers, Tom Rix,
linux-kernel, linux-arm-kernel, llvm
Hi Simon Horman,
On Tue, 18 Apr 2023 13:41:48 +0200, Simon Horman wrote:
> Rather than casting clk_unregister_mux to an incompatible function
> type provide a trivial wrapper with the correct signature for the
> use-case.
>
> Reported by clang-16 with W=1:
>
> drivers/soc/ti/pruss.c:158:38: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> ret = devm_add_action_or_reset(dev, (void(*)(void *))clk_unregister_mux,
>
> [...]
I have applied the following to branch ti-drivers-soc-next on [1].
NOTE: I think this is trivial fixup, which I think is better off for
the next window.
Thank you!
[1/1] soc: ti: pruss: Avoid cast to incompatible function type
commit: 413552b360e72604b8c0cf3f60f9e6f01c8ff963
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent up the chain during
the next merge window (or sooner if it is a relevant bug fix), however if
problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying
to this mail.
[1] git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux.git
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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^ permalink raw reply [flat|nested] 14+ messages in thread