From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hemant Agrawal <hemant.agrawal@nxp.com>
Subject: Re: [PATCH v2] bus/dpaa: fix dpaa returning IOVA as PA
	by default
Date: Tue, 6 Feb 2018 22:58:29 +0530
Message-ID: <0cc5b397-dbc1-de66-76ad-5ad47707a88a@nxp.com>
References: <20180206162156.2104-1-pbhagavatula@caviumnetworks.com>
 <20180206172248.5067-1-pbhagavatula@caviumnetworks.com>
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To: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>,
 jerin.jacob@caviumnetworks.com, santosh.shukla@caviumnetworks.com,
 thomas@monjalon.net, ferruh.yigit@intel.com
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On 2/6/2018 10:52 PM, Pavan Nikhilesh wrote:
> Fix dpaa bus returning IOVA as PA even when it is not running on dpaa
> platform.
> 
> Fixes: 1ee9569576f6 ("config: enable dpaaX drivers for generic ARMv8")
> Fixes: d5a4e3a00c4a ("bus/dpaa: set IOVA mode as physical")
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> ---
> 
>   v2 Changes:
>   - redo commit log.
> 
>   Currently all armv8 platforms are broken due to this.
> 
>   drivers/bus/dpaa/dpaa_bus.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
> index 290b967da..f2bb3b158 100644
> --- a/drivers/bus/dpaa/dpaa_bus.c
> +++ b/drivers/bus/dpaa/dpaa_bus.c
> @@ -541,6 +541,10 @@ rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
>   static enum rte_iova_mode
>   rte_dpaa_get_iommu_class(void)
>   {
> +	if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
> +	    (access(DPAA_DEV_PATH2, F_OK) != 0)) {
> +		return RTE_IOVA_DC;
> +	}
>   	return RTE_IOVA_PA;
>   }
> 
> --
> 2.14.1
> 
> 
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>