2022-07-18 14:54:57

by Andy Shevchenko

[permalink] [raw]
Subject: [PATCH v2 1/1] platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency

The P2SB library is used for various drivers, including server
platforms. That's why the dependency on X86_PLATFORM_DEVICES
seems superfluous.

Reported-by: kernel test robot <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
---
v2: added X86 to the dependencies of P2SB (Hans), added Rb tag (Hans)
drivers/platform/x86/Kconfig | 12 ++++++++++++
drivers/platform/x86/Makefile | 4 ++++
drivers/platform/x86/intel/Kconfig | 12 ------------
drivers/platform/x86/intel/Makefile | 2 --
drivers/platform/x86/{intel => }/p2sb.c | 0
5 files changed, 16 insertions(+), 14 deletions(-)
rename drivers/platform/x86/{intel => }/p2sb.c (100%)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index bc4013e950ed..21e03bb901d2 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -1164,6 +1164,18 @@ config WINMATE_FM07_KEYS

endif # X86_PLATFORM_DEVICES

+config P2SB
+ bool "Primary to Sideband (P2SB) bridge access support"
+ depends on PCI && X86
+ help
+ The Primary to Sideband (P2SB) bridge is an interface to some
+ PCI devices connected through it. In particular, SPI NOR controller
+ in Intel Apollo Lake SoC is one of such devices.
+
+ The main purpose of this library is to unhide P2SB device in case
+ firmware kept it hidden on some platforms in order to access devices
+ behind it.
+
config PMC_ATOM
def_bool y
depends on PCI
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 4a59f47a46e2..f04001431c91 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -120,6 +120,10 @@ obj-$(CONFIG_X86_ANDROID_TABLETS) += x86-android-tablets.o
# Intel uncore drivers
obj-$(CONFIG_INTEL_IPS) += intel_ips.o

+# Intel miscellaneous drivers
+intel_p2sb-y := p2sb.o
+obj-$(CONFIG_P2SB) += intel_p2sb.o
+
# Intel PMIC / PMC / P-Unit devices
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
obj-$(CONFIG_INTEL_SCU_PCI) += intel_scu_pcidrv.o
diff --git a/drivers/platform/x86/intel/Kconfig b/drivers/platform/x86/intel/Kconfig
index c9cfbaae436b..794968bda115 100644
--- a/drivers/platform/x86/intel/Kconfig
+++ b/drivers/platform/x86/intel/Kconfig
@@ -70,18 +70,6 @@ config INTEL_OAKTRAIL
enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
here; it will only load on supported platforms.

-config P2SB
- bool "Primary to Sideband (P2SB) bridge access support"
- depends on PCI
- help
- The Primary to Sideband (P2SB) bridge is an interface to some
- PCI devices connected through it. In particular, SPI NOR controller
- in Intel Apollo Lake SoC is one of such devices.
-
- The main purpose of this library is to unhide P2SB device in case
- firmware kept it hidden on some platforms in order to access devices
- behind it.
-
config INTEL_BXTWC_PMIC_TMU
tristate "Intel Broxton Whiskey Cove TMU Driver"
depends on INTEL_SOC_PMIC_BXTWC
diff --git a/drivers/platform/x86/intel/Makefile b/drivers/platform/x86/intel/Makefile
index 741a9404db98..717933dd0cfd 100644
--- a/drivers/platform/x86/intel/Makefile
+++ b/drivers/platform/x86/intel/Makefile
@@ -28,8 +28,6 @@ intel_int0002_vgpio-y := int0002_vgpio.o
obj-$(CONFIG_INTEL_INT0002_VGPIO) += intel_int0002_vgpio.o
intel_oaktrail-y := oaktrail.o
obj-$(CONFIG_INTEL_OAKTRAIL) += intel_oaktrail.o
-intel_p2sb-y := p2sb.o
-obj-$(CONFIG_P2SB) += intel_p2sb.o
intel_sdsi-y := sdsi.o
obj-$(CONFIG_INTEL_SDSI) += intel_sdsi.o
intel_vsec-y := vsec.o
diff --git a/drivers/platform/x86/intel/p2sb.c b/drivers/platform/x86/p2sb.c
similarity index 100%
rename from drivers/platform/x86/intel/p2sb.c
rename to drivers/platform/x86/p2sb.c
--
2.35.1


2022-07-28 14:18:14

by Hans de Goede

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency

Hi,

On 7/18/22 16:53, Andy Shevchenko wrote:
> The P2SB library is used for various drivers, including server
> platforms. That's why the dependency on X86_PLATFORM_DEVICES
> seems superfluous.
>
> Reported-by: kernel test robot <[email protected]>
> Signed-off-by: Andy Shevchenko <[email protected]>
> Reviewed-by: Hans de Goede <[email protected]>
> ---
> v2: added X86 to the dependencies of P2SB (Hans), added Rb tag (Hans)

Lee I presume that since you've merged the original series
(in your ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-5.20
branch) that you will take this fix on top ?

This fix is necessary to fix a bunch of randconfig build
failures in the current linux-next.

> drivers/platform/x86/Kconfig | 12 ++++++++++++
> drivers/platform/x86/Makefile | 4 ++++
> drivers/platform/x86/intel/Kconfig | 12 ------------
> drivers/platform/x86/intel/Makefile | 2 --
> drivers/platform/x86/{intel => }/p2sb.c | 0
> 5 files changed, 16 insertions(+), 14 deletions(-)
> rename drivers/platform/x86/{intel => }/p2sb.c (100%)
>
> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> index bc4013e950ed..21e03bb901d2 100644
> --- a/drivers/platform/x86/Kconfig
> +++ b/drivers/platform/x86/Kconfig
> @@ -1164,6 +1164,18 @@ config WINMATE_FM07_KEYS
>
> endif # X86_PLATFORM_DEVICES
>
> +config P2SB
> + bool "Primary to Sideband (P2SB) bridge access support"
> + depends on PCI && X86
> + help
> + The Primary to Sideband (P2SB) bridge is an interface to some
> + PCI devices connected through it. In particular, SPI NOR controller
> + in Intel Apollo Lake SoC is one of such devices.
> +
> + The main purpose of this library is to unhide P2SB device in case
> + firmware kept it hidden on some platforms in order to access devices
> + behind it.
> +
> config PMC_ATOM
> def_bool y
> depends on PCI

Note once this is added to Lee's ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-5.20
branch there will be a small/trivial conflict between it and my pdx86/for-next
branch since commit 3cd8cc98d63 ("platform/x86: Drop the PMC_ATOM Kconfig option")
removes the config PMC_ATOM option from the end of drivers/platform/x86/Kconfig .

Not really a problem, but something to be aware of.

Regards,

Hans




> diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
> index 4a59f47a46e2..f04001431c91 100644
> --- a/drivers/platform/x86/Makefile
> +++ b/drivers/platform/x86/Makefile
> @@ -120,6 +120,10 @@ obj-$(CONFIG_X86_ANDROID_TABLETS) += x86-android-tablets.o
> # Intel uncore drivers
> obj-$(CONFIG_INTEL_IPS) += intel_ips.o
>
> +# Intel miscellaneous drivers
> +intel_p2sb-y := p2sb.o
> +obj-$(CONFIG_P2SB) += intel_p2sb.o
> +
> # Intel PMIC / PMC / P-Unit devices
> obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
> obj-$(CONFIG_INTEL_SCU_PCI) += intel_scu_pcidrv.o
> diff --git a/drivers/platform/x86/intel/Kconfig b/drivers/platform/x86/intel/Kconfig
> index c9cfbaae436b..794968bda115 100644
> --- a/drivers/platform/x86/intel/Kconfig
> +++ b/drivers/platform/x86/intel/Kconfig
> @@ -70,18 +70,6 @@ config INTEL_OAKTRAIL
> enable/disable the Camera, WiFi, BT etc. devices. If in doubt, say Y
> here; it will only load on supported platforms.
>
> -config P2SB
> - bool "Primary to Sideband (P2SB) bridge access support"
> - depends on PCI
> - help
> - The Primary to Sideband (P2SB) bridge is an interface to some
> - PCI devices connected through it. In particular, SPI NOR controller
> - in Intel Apollo Lake SoC is one of such devices.
> -
> - The main purpose of this library is to unhide P2SB device in case
> - firmware kept it hidden on some platforms in order to access devices
> - behind it.
> -
> config INTEL_BXTWC_PMIC_TMU
> tristate "Intel Broxton Whiskey Cove TMU Driver"
> depends on INTEL_SOC_PMIC_BXTWC
> diff --git a/drivers/platform/x86/intel/Makefile b/drivers/platform/x86/intel/Makefile
> index 741a9404db98..717933dd0cfd 100644
> --- a/drivers/platform/x86/intel/Makefile
> +++ b/drivers/platform/x86/intel/Makefile
> @@ -28,8 +28,6 @@ intel_int0002_vgpio-y := int0002_vgpio.o
> obj-$(CONFIG_INTEL_INT0002_VGPIO) += intel_int0002_vgpio.o
> intel_oaktrail-y := oaktrail.o
> obj-$(CONFIG_INTEL_OAKTRAIL) += intel_oaktrail.o
> -intel_p2sb-y := p2sb.o
> -obj-$(CONFIG_P2SB) += intel_p2sb.o
> intel_sdsi-y := sdsi.o
> obj-$(CONFIG_INTEL_SDSI) += intel_sdsi.o
> intel_vsec-y := vsec.o
> diff --git a/drivers/platform/x86/intel/p2sb.c b/drivers/platform/x86/p2sb.c
> similarity index 100%
> rename from drivers/platform/x86/intel/p2sb.c
> rename to drivers/platform/x86/p2sb.c

2022-08-01 13:25:52

by Lee Jones

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency

On Thu, 28 Jul 2022, Hans de Goede wrote:

> Hi,
>
> On 7/18/22 16:53, Andy Shevchenko wrote:
> > The P2SB library is used for various drivers, including server
> > platforms. That's why the dependency on X86_PLATFORM_DEVICES
> > seems superfluous.
> >
> > Reported-by: kernel test robot <[email protected]>
> > Signed-off-by: Andy Shevchenko <[email protected]>
> > Reviewed-by: Hans de Goede <[email protected]>
> > ---
> > v2: added X86 to the dependencies of P2SB (Hans), added Rb tag (Hans)
>
> Lee I presume that since you've merged the original series
> (in your ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-5.20
> branch) that you will take this fix on top ?

The point of supplying an immutable branch is that whoever maintains
this subsystem can pull from it and apply this patch on-top.

> This fix is necessary to fix a bunch of randconfig build
> failures in the current linux-next.
>
> > drivers/platform/x86/Kconfig | 12 ++++++++++++
> > drivers/platform/x86/Makefile | 4 ++++
> > drivers/platform/x86/intel/Kconfig | 12 ------------
> > drivers/platform/x86/intel/Makefile | 2 --
> > drivers/platform/x86/{intel => }/p2sb.c | 0
> > 5 files changed, 16 insertions(+), 14 deletions(-)
> > rename drivers/platform/x86/{intel => }/p2sb.c (100%)

--
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog

2022-08-01 14:24:51

by Hans de Goede

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency

Hi,

On 8/1/22 15:22, Lee Jones wrote:
> On Thu, 28 Jul 2022, Hans de Goede wrote:
>
>> Hi,
>>
>> On 7/18/22 16:53, Andy Shevchenko wrote:
>>> The P2SB library is used for various drivers, including server
>>> platforms. That's why the dependency on X86_PLATFORM_DEVICES
>>> seems superfluous.
>>>
>>> Reported-by: kernel test robot <[email protected]>
>>> Signed-off-by: Andy Shevchenko <[email protected]>
>>> Reviewed-by: Hans de Goede <[email protected]>
>>> ---
>>> v2: added X86 to the dependencies of P2SB (Hans), added Rb tag (Hans)
>>
>> Lee I presume that since you've merged the original series
>> (in your ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-5.20
>> branch) that you will take this fix on top ?
>
> The point of supplying an immutable branch is that whoever maintains
> this subsystem can pull from it and apply this patch on-top.

True, ok I'll merge the branch and add Andy's fix on top.

Regards,

Hans


>
>> This fix is necessary to fix a bunch of randconfig build
>> failures in the current linux-next.
>>
>>> drivers/platform/x86/Kconfig | 12 ++++++++++++
>>> drivers/platform/x86/Makefile | 4 ++++
>>> drivers/platform/x86/intel/Kconfig | 12 ------------
>>> drivers/platform/x86/intel/Makefile | 2 --
>>> drivers/platform/x86/{intel => }/p2sb.c | 0
>>> 5 files changed, 16 insertions(+), 14 deletions(-)
>>> rename drivers/platform/x86/{intel => }/p2sb.c (100%)
>


2022-08-01 15:39:18

by Hans de Goede

[permalink] [raw]
Subject: Re: [PATCH v2 1/1] platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency

Hi,

On 8/1/22 15:22, Lee Jones wrote:
> On Thu, 28 Jul 2022, Hans de Goede wrote:
>
>> Hi,
>>
>> On 7/18/22 16:53, Andy Shevchenko wrote:
>>> The P2SB library is used for various drivers, including server
>>> platforms. That's why the dependency on X86_PLATFORM_DEVICES
>>> seems superfluous.
>>>
>>> Reported-by: kernel test robot <[email protected]>
>>> Signed-off-by: Andy Shevchenko <[email protected]>
>>> Reviewed-by: Hans de Goede <[email protected]>
>>> ---
>>> v2: added X86 to the dependencies of P2SB (Hans), added Rb tag (Hans)
>>
>> Lee I presume that since you've merged the original series
>> (in your ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-5.20
>> branch) that you will take this fix on top ?
>
> The point of supplying an immutable branch is that whoever maintains
> this subsystem can pull from it and apply this patch on-top.

I've added the fix to pdx86/for-next now.

Regards,

Hans


>
>> This fix is necessary to fix a bunch of randconfig build
>> failures in the current linux-next.
>>
>>> drivers/platform/x86/Kconfig | 12 ++++++++++++
>>> drivers/platform/x86/Makefile | 4 ++++
>>> drivers/platform/x86/intel/Kconfig | 12 ------------
>>> drivers/platform/x86/intel/Makefile | 2 --
>>> drivers/platform/x86/{intel => }/p2sb.c | 0
>>> 5 files changed, 16 insertions(+), 14 deletions(-)
>>> rename drivers/platform/x86/{intel => }/p2sb.c (100%)
>