On Sat, 2012-03-17 at 18:22 -0700, Mark A. Greer wrote:
> From: "Mark A. Greer" <[email protected]>
> 
> It appears that the error paths were overlooked when the
> omap3_pm_init() routine had the prcm chain handler code
> added.  Fix this by adding a goto target and reordering
> the error handling code.  Also fix how the irq argument
> for free_irq() is determined.

You are right, it looks like the error handling part was accidentally
dropped from version 7 of the prcm patch set.

Acked-by: Tero Kristo <[email protected]>

Paul, you going to grab this?

-Tero


> 
> CC: Tero Kristo <[email protected]>
> Signed-off-by: Mark A. Greer <[email protected]>
> ---
>  arch/arm/mach-omap2/pm34xx.c |   16 ++++++++++------
>  1 file changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
> index 27fc7a2..af8d741 100644
> --- a/arch/arm/mach-omap2/pm34xx.c
> +++ b/arch/arm/mach-omap2/pm34xx.c
> @@ -817,13 +817,13 @@ static int __init omap3_pm_init(void)
>  
>       if (ret) {
>               pr_err("pm: Failed to request pm_io irq\n");
> -             goto err1;
> +             goto err2;
>       }
>  
>       ret = pwrdm_for_each(pwrdms_setup, NULL);
>       if (ret) {
>               printk(KERN_ERR "Failed to setup powerdomains\n");
> -             goto err2;
> +             goto err3;
>       }
>  
>       (void) clkdm_for_each(clkdms_setup, NULL);
> @@ -831,7 +831,8 @@ static int __init omap3_pm_init(void)
>       mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
>       if (mpu_pwrdm == NULL) {
>               printk(KERN_ERR "Failed to get mpu_pwrdm\n");
> -             goto err2;
> +             ret = -EINVAL;
> +             goto err3;
>       }
>  
>       neon_pwrdm = pwrdm_lookup("neon_pwrdm");
> @@ -879,14 +880,17 @@ static int __init omap3_pm_init(void)
>       }
>  
>       omap3_save_scratchpad_contents();
> -err1:
>       return ret;
> -err2:
> -     free_irq(INT_34XX_PRCM_MPU_IRQ, NULL);
> +
> +err3:
>       list_for_each_entry_safe(pwrst, tmp, &pwrst_list, node) {
>               list_del(&pwrst->node);
>               kfree(pwrst);
>       }
> +     free_irq(omap_prcm_event_to_irq("io"), omap3_pm_init);
> +err2:
> +     free_irq(omap_prcm_event_to_irq("wkup"), NULL);
> +err1:
>       return ret;
>  }
>  


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