2022-06-02 15:03:25

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH 0/3] ARM: imx25: print silicon revision, support 1.2

Resurrect the unused function to print the imx25 silicon revision at
startup. Add support for revision 1.2.

Martin Kaiser (3):
ARM: imx25: support silicon revision 1.2
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

arch/arm/mach-imx/cpu-imx25.c | 2 ++
drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
3 files changed, 6 insertions(+), 2 deletions(-)

--
2.30.2



2022-06-23 07:53:33

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v2 0/2] ARM: imx25: print silicon revision at startup

Resurrect the unused function to print the imx25 silicon revision at
startup.

changes in v2:
- drop the patch about silicon revision 1.2. It has already been merged
by Shawn Guo.
- send the changeset to the clk maintainers

Martin Kaiser (2):
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

--
2.30.2

2022-06-23 08:07:59

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v2 1/2] clk: imx25: print silicon revision during init

Print the imx25 silicon revision when the clocks are initialised.

Use the same mechanism as for imx27, i.e. call mx25_revision.
This function is unused at the moment.

Signed-off-by: Martin Kaiser <[email protected]>
---
changes in v2:
- send the patch to the clk maintainers

drivers/clk/imx/clk-imx25.c | 3 +++
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index 66192fe0a898..263409fca1eb 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
+#include <soc/imx/revision.h>

#include "clk.h"

@@ -220,6 +221,8 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base)

imx_register_uart_clocks(6);

+ imx_print_silicon_rev("i.MX25", mx25_revision());
+
return 0;
}

diff --git a/include/soc/imx/revision.h b/include/soc/imx/revision.h
index b2a55dafaf0a..b122d2fc8881 100644
--- a/include/soc/imx/revision.h
+++ b/include/soc/imx/revision.h
@@ -22,6 +22,7 @@
#define IMX_CHIP_REVISION_3_3 0x33
#define IMX_CHIP_REVISION_UNKNOWN 0xff

+int mx25_revision(void);
int mx27_revision(void);
int mx31_revision(void);
int mx35_revision(void);
--
2.30.2

2022-06-23 08:20:39

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v2 2/2] clk: imx25: make __mx25_clocks_init return void

The __mx25_clocks_init function always returns 0 and its only
caller does not check the return value. Let's remove it.

Signed-off-by: Martin Kaiser <[email protected]>
---
changes in v2:
- send the patch to the clk maintainers

drivers/clk/imx/clk-imx25.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index 263409fca1eb..72b30dd7f05f 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -74,7 +74,7 @@ enum mx25_clks {

static struct clk *clk[clk_max];

-static int __init __mx25_clocks_init(void __iomem *ccm_base)
+static void __init __mx25_clocks_init(void __iomem *ccm_base)
{
BUG_ON(!ccm_base);

@@ -222,8 +222,6 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base)
imx_register_uart_clocks(6);

imx_print_silicon_rev("i.MX25", mx25_revision());
-
- return 0;
}

static void __init mx25_clocks_init_dt(struct device_node *np)
--
2.30.2

2022-07-24 18:06:30

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v3 0/2] ARM: imx25: print silicon revision at startup

Resurrect the unused function to print the imx25 silicon revision at
startup.

It's been a month since I sent v2. I'm resending the series, hoping to
get a response this time. Thanks in advance.

changes in v3:
- rebase against today's linux-next

changes in v2:
- drop the patch about silicon revision 1.2. It has already been merged
by Shawn Guo.
- send the changeset to the clk maintainers

Martin Kaiser (2):
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

--
2.30.2

2022-08-15 21:12:29

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v4 0/2] ARM: imx25: print silicon revision at startup

Resurrect the unused function to print the imx25 silicon revision at
startup.

Now that 6.0-rc1 is out, I hope that the clk maintainers have a moment
to review this simple patch set ;-)

changes in v4:
- rebase against today's linux-next
- add Fabio's Reviewed-by tags

changes in v3:
- rebase against today's linux-next

changes in v2:
- drop the patch about silicon revision 1.2. It has already been merged
by Shawn Guo.
- send the changeset to the clk maintainers

Martin Kaiser (2):
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

--
2.30.2

2022-08-15 21:13:05

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v4 2/2] clk: imx25: make __mx25_clocks_init return void

The __mx25_clocks_init function always returns 0 and its only
caller does not check the return value. Let's remove it.

Signed-off-by: Martin Kaiser <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
---
changes in v4:
- rebase against today's linux-next
- add Fabio's Reviewed-by tag

changes in v3:
- rebase against today's linux-next

changes in v2:
- send the patch to the clk maintainers

drivers/clk/imx/clk-imx25.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index 263409fca1eb..72b30dd7f05f 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -74,7 +74,7 @@ enum mx25_clks {

static struct clk *clk[clk_max];

-static int __init __mx25_clocks_init(void __iomem *ccm_base)
+static void __init __mx25_clocks_init(void __iomem *ccm_base)
{
BUG_ON(!ccm_base);

@@ -222,8 +222,6 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base)
imx_register_uart_clocks(6);

imx_print_silicon_rev("i.MX25", mx25_revision());
-
- return 0;
}

static void __init mx25_clocks_init_dt(struct device_node *np)
--
2.30.2

2023-05-17 16:18:03

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v5 0/2] ARM: imx25: print silicon revision at startup

Resurrect the unused function to print the imx25 silicon revision at
startup.

This patchset has been mentioned in a discussion today. Let's bring it to the
attention of the clk maintainers again.

Thanks & best regards,
Martin

changes in v5:
- rebase against today's linux-next

changes in v4:
- rebase against today's linux-next
- add Fabio's Reviewed-by tags

changes in v3:
- rebase against today's linux-next

changes in v2:
- drop the patch about silicon revision 1.2. It has already been merged
by Shawn Guo.
- send the changeset to the clk maintainers

Martin Kaiser (2):
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

--
2.30.2


2023-05-17 18:33:59

by Arnd Bergmann

[permalink] [raw]
Subject: Re: [PATCH v5 0/2] ARM: imx25: print silicon revision at startup

On Wed, May 17, 2023, at 17:39, Martin Kaiser wrote:
> Resurrect the unused function to print the imx25 silicon revision at
> startup.
>
> This patchset has been mentioned in a discussion today. Let's bring it to the
> attention of the clk maintainers again.

Looks good to me, and fixes the warning about the function having
no prototype, so

Acked-by: Arnd Bergmann <[email protected]>

2023-07-30 16:55:43

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v6 0/2] ARM: imx25: print silicon revision at startup

Resurrect the unused function to print the imx25 silicon revision at
startup.

This patch set is blocking Arnd's work on enabling -Werror=missing-prototypes.

I'd really appreciate a response from the clk maintainers if these (trivial)
patches are ok.

Thanks,
Martin

changes in v6:
- rebase against today's linux-next
- add Acked-by from Arnd

changes in v5:
- rebase against today's linux-next

changes in v4:
- rebase against today's linux-next
- add Fabio's Reviewed-by tags

changes in v3:
- rebase against today's linux-next

changes in v2:
- drop the patch about silicon revision 1.2. It has already been merged
by Shawn Guo.
- send the changeset to the clk maintainers



Martin Kaiser (2):
clk: imx25: print silicon revision during init
clk: imx25: make __mx25_clocks_init return void

drivers/clk/imx/clk-imx25.c | 5 +++--
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

--
2.39.2


2023-07-30 17:28:11

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v6 2/2] clk: imx25: make __mx25_clocks_init return void

The __mx25_clocks_init function always returns 0 and its only
caller does not check the return value. Let's remove it.

Signed-off-by: Martin Kaiser <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
---
drivers/clk/imx/clk-imx25.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index bee3da2e21e1..c566be848c2d 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -74,7 +74,7 @@ enum mx25_clks {

static struct clk *clk[clk_max];

-static int __init __mx25_clocks_init(void __iomem *ccm_base)
+static void __init __mx25_clocks_init(void __iomem *ccm_base)
{
BUG_ON(!ccm_base);

@@ -222,8 +222,6 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base)
imx_register_uart_clocks();

imx_print_silicon_rev("i.MX25", mx25_revision());
-
- return 0;
}

static void __init mx25_clocks_init_dt(struct device_node *np)
--
2.39.2


2023-07-30 17:33:25

by Martin Kaiser

[permalink] [raw]
Subject: [PATCH v6 1/2] clk: imx25: print silicon revision during init

Print the imx25 silicon revision when the clocks are initialised.

Use the same mechanism as for imx27, i.e. call mx25_revision.
This function is unused at the moment.

Signed-off-by: Martin Kaiser <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
---
drivers/clk/imx/clk-imx25.c | 3 +++
include/soc/imx/revision.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c
index cc013b343e62..bee3da2e21e1 100644
--- a/drivers/clk/imx/clk-imx25.c
+++ b/drivers/clk/imx/clk-imx25.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
+#include <soc/imx/revision.h>

#include "clk.h"

@@ -220,6 +221,8 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base)

imx_register_uart_clocks();

+ imx_print_silicon_rev("i.MX25", mx25_revision());
+
return 0;
}

diff --git a/include/soc/imx/revision.h b/include/soc/imx/revision.h
index b2a55dafaf0a..b122d2fc8881 100644
--- a/include/soc/imx/revision.h
+++ b/include/soc/imx/revision.h
@@ -22,6 +22,7 @@
#define IMX_CHIP_REVISION_3_3 0x33
#define IMX_CHIP_REVISION_UNKNOWN 0xff

+int mx25_revision(void);
int mx27_revision(void);
int mx31_revision(void);
int mx35_revision(void);
--
2.39.2


2023-08-01 20:15:25

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH v6 0/2] ARM: imx25: print silicon revision at startup

Quoting Martin Kaiser (2023-07-30 09:39:26)
> Resurrect the unused function to print the imx25 silicon revision at
> startup.
>
> This patch set is blocking Arnd's work on enabling -Werror=missing-prototypes.
>
> I'd really appreciate a response from the clk maintainers if these (trivial)
> patches are ok.

You need to Cc [email protected] on imx clk patches. I think Abel has
some filter that looks for linux-clk@vger and linux-imx.

Also, please don't send series replies to previous rounds. It buries the
patches deep in my MUA and my scripts don't work well to apply patches
when they're sent like that.

I presume that Abel will pick the patches up? Or do you want to land
them through Arnd's tree? Either way feel free to add my acked-by

Acked-by: Stephen Boyd <[email protected]>

2023-08-02 19:55:51

by Martin Kaiser

[permalink] [raw]
Subject: Re: [PATCH v6 0/2] ARM: imx25: print silicon revision at startup

Stephen Boyd ([email protected]) wrote:

> You need to Cc [email protected] on imx clk patches. I think Abel has
> some filter that looks for linux-clk@vger and linux-imx.

> Also, please don't send series replies to previous rounds. It buries the
> patches deep in my MUA and my scripts don't work well to apply patches
> when they're sent like that.

> I presume that Abel will pick the patches up? Or do you want to land
> them through Arnd's tree? Either way feel free to add my acked-by

> Acked-by: Stephen Boyd <[email protected]>

Thanks for responding, Stephen.

Ok, understood. I'll resend with Cc [email protected] and without the
reply to previous versions.

Arnd, are you ok with taking these patches through your tree as
suggested by Stephen?

Thanks,
Martin

2023-08-06 03:51:11

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH v6 0/2] ARM: imx25: print silicon revision at startup

On Wed, Aug 02, 2023 at 08:38:49PM +0200, Martin Kaiser wrote:
> Stephen Boyd ([email protected]) wrote:
>
> > You need to Cc [email protected] on imx clk patches. I think Abel has
> > some filter that looks for linux-clk@vger and linux-imx.
>
> > Also, please don't send series replies to previous rounds. It buries the
> > patches deep in my MUA and my scripts don't work well to apply patches
> > when they're sent like that.
>
> > I presume that Abel will pick the patches up? Or do you want to land
> > them through Arnd's tree? Either way feel free to add my acked-by
>
> > Acked-by: Stephen Boyd <[email protected]>
>
> Thanks for responding, Stephen.
>
> Ok, understood. I'll resend with Cc [email protected] and without the
> reply to previous versions.
>
> Arnd, are you ok with taking these patches through your tree as
> suggested by Stephen?

I prefer to have Abel apply the patches through clk tree rather than
arm-soc tree, unless there is a good reason for them to go via the
latter.

Shawn

2023-08-07 15:08:17

by Martin Kaiser

[permalink] [raw]
Subject: Re: [PATCH v6 0/2] ARM: imx25: print silicon revision at startup

Shawn Guo ([email protected]) wrote:

> I prefer to have Abel apply the patches through clk tree rather than
> arm-soc tree, unless there is a good reason for them to go via the
> latter.

ok with me. I'd be happy to get this sorted (one way or another) so that
Arnd can enable -Werror=missing-prototypes for 6.6.

Abel, could you pick up these patches?

Thanks,
Martin