Subject: [PATCH] at91/usb: always provide all the clocks

From: [email-masked] (Nicolas Ferre)
Date: Wed, 07 Sep 2011 15:47:23 +0200

Le 30/08/2011 03:29, Jean-Christophe PLAGNIOL-VILLARD :
> drop the cpu_is in the driver
> at91sam9261 and at91sam9g10 expect 3 clocks
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email-masked]>
> Cc: Nicolas Ferre <[email-masked]>
> ---
>  arch/arm/mach-at91/at91cap9.c    |    2 ++
>  arch/arm/mach-at91/at91rm9200.c  |    2 ++
>  arch/arm/mach-at91/at91sam9260.c |    2 ++
>  arch/arm/mach-at91/at91sam9261.c |   29 +++++++++++++++--------------
>  arch/arm/mach-at91/at91sam9263.c |    2 ++
>  arch/arm/mach-at91/at91sam9g45.c |    2 ++

I know that I have signed the patch *but* there is an issue here...

>  drivers/usb/host/ohci-at91.c     |   15 +++++----------
>  7 files changed, 30 insertions(+), 24 deletions(-)
> 
> diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
> index bfc6844..ecdd54d 100644
> --- a/arch/arm/mach-at91/at91cap9.c
> +++ b/arch/arm/mach-at91/at91cap9.c
> @@ -219,6 +219,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
>  	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
> +	/* fake hclk clock */
> +	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
>  };
>  
>  static struct clk_lookup usart_clocks_lookups[] = {
> diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
> index f73302d..713d3bd 100644
> --- a/arch/arm/mach-at91/at91rm9200.c
> +++ b/arch/arm/mach-at91/at91rm9200.c
> @@ -193,6 +193,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
> +	/* fake hclk clock */
> +	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
>  };
>  
>  static struct clk_lookup usart_clocks_lookups[] = {
> diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
> index cb397be..a9be758 100644
> --- a/arch/arm/mach-at91/at91sam9260.c
> +++ b/arch/arm/mach-at91/at91sam9260.c
> @@ -199,6 +199,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
>  	CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
>  	CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
> +	/* fake hclk clock */
> +	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
>  };
>  
>  static struct clk_lookup usart_clocks_lookups[] = {
> diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
> index 6c8e3b5..658a518 100644
> --- a/arch/arm/mach-at91/at91sam9261.c
> +++ b/arch/arm/mach-at91/at91sam9261.c
> @@ -129,6 +129,20 @@ static struct clk lcdc_clk = {
>  	.type		= CLK_TYPE_PERIPHERAL,
>  };
>  
> +/* HClocks */
> +static struct clk hck0 = {
> +	.name		= "hck0",
> +	.pmc_mask	= AT91_PMC_HCK0,
> +	.type		= CLK_TYPE_SYSTEM,
> +	.id		= 0,
> +};
> +static struct clk hck1 = {
> +	.name		= "hck1",
> +	.pmc_mask	= AT91_PMC_HCK1,
> +	.type		= CLK_TYPE_SYSTEM,
> +	.id		= 1,
> +};
> +
>  static struct clk *periph_clocks[] __initdata = {
>  	&pioA_clk,
>  	&pioB_clk,
> @@ -161,6 +175,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
>  	CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
> +	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0),
>  };
>  
>  static struct clk_lookup usart_clocks_lookups[] = {
> @@ -199,20 +214,6 @@ static struct clk pck3 = {
>  	.id		= 3,
>  };
>  
> -/* HClocks */
> -static struct clk hck0 = {
> -	.name		= "hck0",
> -	.pmc_mask	= AT91_PMC_HCK0,
> -	.type		= CLK_TYPE_SYSTEM,
> -	.id		= 0,
> -};
> -static struct clk hck1 = {
> -	.name		= "hck1",
> -	.pmc_mask	= AT91_PMC_HCK1,
> -	.type		= CLK_TYPE_SYSTEM,
> -	.id		= 1,
> -};
> -
>  static void __init at91sam9261_register_clocks(void)
>  {
>  	int i;
> diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
> index 044f3c9..f83fbb0 100644
> --- a/arch/arm/mach-at91/at91sam9263.c
> +++ b/arch/arm/mach-at91/at91sam9263.c
> @@ -189,6 +189,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
>  	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
>  	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
>  	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
> +	/* fake hclk clock */
> +	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),

We cannot do this: it does not even compiles.
The ohci_clk clock is not existing on this device. Moreover, the "hclk"
con_id is already existing for the *gadget* device...

We have to correct this before I can send it upstream.

Bye,
-- 
Nicolas Ferre