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Date:	Tue, 22 Jul 2014 11:50:26 -0500
From:	Nishanth Menon <nm@...com>
To:	Lokesh Vutla <lokeshvutla@...com>, <linux-omap@...r.kernel.org>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <tony@...mide.com>,
	<paul@...an.com>, <linux@....linux.org.uk>, <nsekhar@...com>,
	<j-keerthy@...com>, <rogerq@...com>
Subject: Re: [PATCH 2/2] ARM: DRA7: hwmod: Add dra74x and dra72x specific
 ocp interface lists

On 07/16/2014 03:36 AM, Lokesh Vutla wrote:
> From: Rajendra Nayak <rnayak@...com>
> 
> To deal with IPs which are specific to dra74x and dra72x, maintain seperate
> ocp interface lists, while keeping the common list for all common IPs.
> 
> Move USB OTG SS4 to dra74x only list since its unavailable in
> dra72x and is giving an abort during boot. The dra72x only list
> is empty for now and a placeholder for future hwmod additions which
> are specific to dra72x.
> 
> Fixes: d904b38 ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss

please use a format as following:
Fixes: d904b38df0db13 ("ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss")

> Reported-by: Keerthy <j-keerthy@...com>
> Signed-off-by: Rajendra Nayak <rnayak@...com>
> Signed-off-by: Lokesh Vutla <lokeshvutla@...com>
> ---
>  arch/arm/mach-omap2/omap_hwmod.c          |    3 +++
>  arch/arm/mach-omap2/omap_hwmod_7xx_data.c |   22 ++++++++++++++++++++--
>  2 files changed, 23 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
> index 6c074f3..14f8370 100644
> --- a/arch/arm/mach-omap2/omap_hwmod.c
> +++ b/arch/arm/mach-omap2/omap_hwmod.c
> @@ -3345,6 +3345,9 @@ int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois)
>  	if (!ois)
>  		return 0;
>  
> +	if (ois[0] == NULL) /*empty list*/
/* Empty list */ ?
> +		return 0;
> +

This change looks like a different patch?

>  	if (!linkspace) {
>  		if (_alloc_linkspace(ois)) {
>  			pr_err("omap_hwmod: could not allocate link space\n");
> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> index 284324f..c95033c 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> @@ -35,6 +35,7 @@
>  #include "i2c.h"
>  #include "mmc.h"
>  #include "wd_timer.h"
> +#include "soc.h"
>  
>  /* Base offset for all DRA7XX interrupts external to MPUSS */
>  #define DRA7XX_IRQ_GIC_START	32
> @@ -2705,7 +2706,6 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
>  	&dra7xx_l4_per3__usb_otg_ss1,
>  	&dra7xx_l4_per3__usb_otg_ss2,
>  	&dra7xx_l4_per3__usb_otg_ss3,
> -	&dra7xx_l4_per3__usb_otg_ss4,
>  	&dra7xx_l3_main_1__vcp1,
>  	&dra7xx_l4_per2__vcp1,
>  	&dra7xx_l3_main_1__vcp2,
> @@ -2714,8 +2714,26 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
>  	NULL,
>  };
>  
> +static struct omap_hwmod_ocp_if *dra74x_hwmod_ocp_ifs[] __initdata = {
> +	&dra7xx_l4_per3__usb_otg_ss4,
> +	NULL,
> +};
> +
> +static struct omap_hwmod_ocp_if *dra72x_hwmod_ocp_ifs[] __initdata = {
> +	NULL,
> +};
> +
>  int __init dra7xx_hwmod_init(void)
>  {
> +	int ret;
> +
>  	omap_hwmod_init();
> -	return omap_hwmod_register_links(dra7xx_hwmod_ocp_ifs);
> +	ret = omap_hwmod_register_links(dra7xx_hwmod_ocp_ifs);
if (ret)
	goto out;
> +
> +	if (!ret && soc_is_dra74x())
no need of !ret
> +		return omap_hwmod_register_links(dra74x_hwmod_ocp_ifs);
ret = omap_hwmod_register_links(dra74x_hwmod_ocp_ifs);
> +	else if (!ret && soc_is_dra72x())
no need of else and !ret
> +		return omap_hwmod_register_links(dra72x_hwmod_ocp_ifs);
ret = omap_hwmod_register_links(dra72x_hwmod_ocp_ifs);
> +

out:
> +	return ret;
>  }
> 


-- 
Regards,
Nishanth Menon
--
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