[PATCH 7/8] ARM: shmobile: Marzen: pass platform data to USB PHY device

Simon Horman horms at verge.net.au
Thu Apr 4 20:44:45 EDT 2013


On Fri, Apr 05, 2013 at 03:10:38AM +0400, Sergei Shtylyov wrote:
> Since we're now going to setup the USBPCTRL0 register using the USB PHY device's
> platform data, we now need a way to pass those platform data from the board file
> to the device which is situated in setup-r8a7779.c -- and what I'm suggesting is
> r8a7779_add_usb_phy_device() that will register USB PHY platform device with the
> passed platform data using platform_device_register_resndata() call; creating
> this function involves deletion of 'usb_phy_device' from r8a7779_devices_dt[],
> so that it will no longer be registered for the generic R8A7779 machine (where
> we can't provide the platform data anyway), hence EHCI/OHCI drivers will fail
> to load as well.
> 
> For the Marzen board, this new function will be called from marzen_init() to
> register the USB PHY device early enough.

As per my comment regarding patch 1, I wonder if this could
be split into an SoC patch and a board patch.

> 
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> 
> ---
>  arch/arm/mach-shmobile/board-marzen.c         |    5 +++++
>  arch/arm/mach-shmobile/include/mach/r8a7779.h |    2 ++
>  arch/arm/mach-shmobile/setup-r8a7779.c        |   16 ++++++++--------
>  3 files changed, 15 insertions(+), 8 deletions(-)
> 
> Index: renesas/arch/arm/mach-shmobile/board-marzen.c
> ===================================================================
> --- renesas.orig/arch/arm/mach-shmobile/board-marzen.c
> +++ renesas/arch/arm/mach-shmobile/board-marzen.c
> @@ -56,6 +56,10 @@ static struct regulator_consumer_supply 
>  	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
>  };
>  
> +static struct rcar_phy_platform_data usb_phy_platform_data = {
> +	.usbpctrl0	= 0,
> +};
> +
>  /* SMSC LAN89218 */
>  static struct resource smsc911x_resources[] = {
>  	[0] = {
> @@ -230,6 +234,7 @@ static void __init marzen_init(void)
>  	r8a7779_pinmux_init();
>  
>  	r8a7779_add_standard_devices();
> +	r8a7779_add_usb_phy_device(&usb_phy_platform_data);
>  	platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
>  }
>  
> Index: renesas/arch/arm/mach-shmobile/include/mach/r8a7779.h
> ===================================================================
> --- renesas.orig/arch/arm/mach-shmobile/include/mach/r8a7779.h
> +++ renesas/arch/arm/mach-shmobile/include/mach/r8a7779.h
> @@ -4,6 +4,7 @@
>  #include <linux/sh_clk.h>
>  #include <linux/pm_domain.h>
>  #include <linux/sh_eth.h>
> +#include <linux/usb/rcar-phy.h>
>  
>  struct platform_device;
>  
> @@ -33,6 +34,7 @@ extern void r8a7779_add_early_devices(vo
>  extern void r8a7779_add_standard_devices(void);
>  extern void r8a7779_add_standard_devices_dt(void);
>  extern void r8a7779_add_ether_device(struct sh_eth_plat_data *pdata);
> +extern void r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata);
>  extern void r8a7779_init_late(void);
>  extern void r8a7779_clock_init(void);
>  extern void r8a7779_pinmux_init(void);
> Index: renesas/arch/arm/mach-shmobile/setup-r8a7779.c
> ===================================================================
> --- renesas.orig/arch/arm/mach-shmobile/setup-r8a7779.c
> +++ renesas/arch/arm/mach-shmobile/setup-r8a7779.c
> @@ -407,13 +407,6 @@ static struct resource usb_phy_resources
>  	},
>  };
>  
> -static struct platform_device usb_phy_device = {
> -	.name		= "rcar_usb_phy",
> -	.id		= -1,
> -	.resource	= usb_phy_resources,
> -	.num_resources	= ARRAY_SIZE(usb_phy_resources),
> -};
> -
>  /* USB */
>  static struct usb_phy *phy;
>  
> @@ -586,7 +579,6 @@ static struct platform_device *r8a7779_d
>  	&scif5_device,
>  	&tmu00_device,
>  	&tmu01_device,
> -	&usb_phy_device,
>  };
>  
>  static struct platform_device *r8a7779_standard_devices[] __initdata = {
> @@ -621,6 +613,14 @@ void __init r8a7779_add_ether_device(str
>  					  pdata, sizeof(*pdata));
>  }
>  
> +void __init r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata)
> +{
> +	platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1,
> +					  usb_phy_resources,
> +					  ARRAY_SIZE(usb_phy_resources),
> +					  pdata, sizeof(*pdata));
> +}
> +
>  /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
>  void __init __weak r8a7779_register_twd(void) { }
>  
> --
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