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[PATCH] add COMMON_CLK dependency for rockchip-inno-usb2

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  [PATCH] add COMMON_CLK dependency for rockchip-inno-usb2 Frank Wang <frank.wang@rock-chips.com> - 2016-08-16 08:10 +0200
    [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency Frank Wang <frank.wang@rock-chips.com> - 2016-08-16 08:20 +0200
      Re: [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency Guenter Roeck <linux@roeck-us.net> - 2016-08-16 19:20 +0200
        Re: [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency Heiko Stübner <heiko@sntech.de> - 2016-08-17 12:20 +0200

#1463424 — [PATCH] add COMMON_CLK dependency for rockchip-inno-usb2

On kernel builds without COMMON_CLK, the newly added rockchip-inno-usb2 driver
fails to build, and this adds the required Kconfig dependency to fix it.

Frank Wang (1):
  phy: rockchip-inno-usb2: add COMMON_CLK dependency

 drivers/phy/Kconfig |    1 +
 1 file changed, 1 insertion(+)

-- 
1.7.9.5

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#1463437 — [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency

On kernel builds without COMMON_CLK, the newly added rockchip-inno-usb2
driver fails to build:

drivers/phy/phy-rockchip-inno-usb2.c:124:16: error: field 'clk480m_hw'
has incomplete type
   struct clk_hw clk480m_hw;

In file included from include/linux/clk.h:16:0
                 from drivers/phy/phy-rockchip-inno-usb2.c:17:
include/linux/kernel.h:831:48: error: initialization from incompatible
pointer type [-Werror=incompatible-pointer-types]
   const typeof( ((type *)0)->member ) *__mptr = (ptr); \

  ... ...

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
---
 drivers/phy/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index f9bf981..c6d57e5 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -370,6 +370,7 @@ config PHY_ROCKCHIP_USB
 config PHY_ROCKCHIP_INNO_USB2
 	tristate "Rockchip INNO USB2PHY Driver"
 	depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
+	depends on COMMON_CLK
 	select GENERIC_PHY
 	help
 	  Support for Rockchip USB2.0 PHY with Innosilicon IP block.
-- 
1.7.9.5

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#1463951 — Re: [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency

On Tue, Aug 16, 2016 at 02:02:00PM +0800, Frank Wang wrote:
> On kernel builds without COMMON_CLK, the newly added rockchip-inno-usb2
> driver fails to build:
> 
> drivers/phy/phy-rockchip-inno-usb2.c:124:16: error: field 'clk480m_hw'
> has incomplete type
>    struct clk_hw clk480m_hw;
> 
> In file included from include/linux/clk.h:16:0
>                  from drivers/phy/phy-rockchip-inno-usb2.c:17:
> include/linux/kernel.h:831:48: error: initialization from incompatible
> pointer type [-Werror=incompatible-pointer-types]
>    const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> 
>   ... ...
> 
> Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> ---
>  drivers/phy/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index f9bf981..c6d57e5 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -370,6 +370,7 @@ config PHY_ROCKCHIP_USB
>  config PHY_ROCKCHIP_INNO_USB2
>  	tristate "Rockchip INNO USB2PHY Driver"
>  	depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
> +	depends on COMMON_CLK

Wonder what is preferred here. I find 33 "select COMMON_CLK" and
18 "depends on COMMON_CLK".

Either case

Reviewed-by: Guenter Roeck <linux@roeck-us.net>


>  	select GENERIC_PHY
>  	help
>  	  Support for Rockchip USB2.0 PHY with Innosilicon IP block.
> -- 
> 1.7.9.5
> 
> 

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#1464474 — Re: [PATCH] phy: rockchip-inno-usb2: add COMMON_CLK dependency

Am Dienstag, 16. August 2016, 09:31:50 schrieb Guenter Roeck:
> On Tue, Aug 16, 2016 at 02:02:00PM +0800, Frank Wang wrote:
> > On kernel builds without COMMON_CLK, the newly added rockchip-inno-usb2
> > driver fails to build:
> > 
> > drivers/phy/phy-rockchip-inno-usb2.c:124:16: error: field 'clk480m_hw'
> > has incomplete type
> > 
> >    struct clk_hw clk480m_hw;
> > 
> > In file included from include/linux/clk.h:16:0
> > 
> >                  from drivers/phy/phy-rockchip-inno-usb2.c:17:
> > include/linux/kernel.h:831:48: error: initialization from incompatible
> > pointer type [-Werror=incompatible-pointer-types]
> > 
> >    const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> >   
> >   ... ...
> > 
> > Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> > ---
> > 
> >  drivers/phy/Kconfig |    1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> > index f9bf981..c6d57e5 100644
> > --- a/drivers/phy/Kconfig
> > +++ b/drivers/phy/Kconfig
> > @@ -370,6 +370,7 @@ config PHY_ROCKCHIP_USB
> > 
> >  config PHY_ROCKCHIP_INNO_USB2
> >  
> >  	tristate "Rockchip INNO USB2PHY Driver"
> >  	depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
> > 
> > +	depends on COMMON_CLK
> 
> Wonder what is preferred here. I find 33 "select COMMON_CLK" and
> 18 "depends on COMMON_CLK".

In drivers/ I count 12 select COMMON_CLK vs. 37 depends on COMMON_CLK
Do I need new glasses? :-)

With MMC_SDHCI_OF_ARASAN being the only one of all of them we're using on 
Rockchip platforms.

I vaguely remember depends being preferred over select in general, so you 
don't enable large parts by accident or cause some select chains - but I may 
be wrong.


> Either case
> 
> Reviewed-by: Guenter Roeck <linux@roeck-us.net>

for me as well:
Reviewed-by: Heiko Stuebner <heiko@sntech.de>


> 
> >  	select GENERIC_PHY
> >  	help
> >  	
> >  	  Support for Rockchip USB2.0 PHY with Innosilicon IP block.

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