From: Ian Campbell <ian.campbell@citrix.com>
To: Julien Grall <julien.grall@citrix.com>, xen-devel@lists.xenproject.org
Cc: stefano.stabellini@citrix.com
Subject: Re: [PATCH v2 2/7] xen/arm: Retrieve the correct number of cells when building dom0 DT
Date: Thu, 1 Oct 2015 12:57:26 +0100 [thread overview]
Message-ID: <1443700646.11707.22.camel@citrix.com> (raw)
In-Reply-To: <1443543701-18389-3-git-send-email-julien.grall@citrix.com>
On Tue, 2015-09-29 at 17:21 +0100, Julien Grall wrote:
> The functions dt_n_*_cells return the number of cells for a "reg"
> property of a given node. So those numbers won't be correct if the
> parent of a given node is passed.
>
> This is fine today because the parent is always the root node which
> means there is no upper parent.
>
> Introduce new helpers dt_child_n_*_cells to retrieve the number of
> cells for the address and size that can be used to create the "reg"
> property of the immediate child of a given parent. Also introduce
> dt_child_set_range to pair up with dt_child_n_*_cells.
>
> Use the new helpers when creating the hypervisor and memory node where
> we only have the parent in hand. This is because those nodes are created
> from scratch by Xen and therefore we don't have a dt_device_node for
> them. The only thing we have is a pointer to their future parent.
>
> Signed-off-by: Julien Grall <julien.grall@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
next prev parent reply other threads:[~2015-10-01 11:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 16:21 [PATCH v2 0/7] xen/arm: gic-v2: Detect automatically aliased GIC 400 Julien Grall
2015-09-29 16:21 ` [PATCH v2 1/7] xen/arm: gic: Make it clear the GIC node is passed to make_hwdom_dt_node Julien Grall
2015-09-29 16:21 ` [PATCH v2 2/7] xen/arm: Retrieve the correct number of cells when building dom0 DT Julien Grall
2015-10-01 11:57 ` Ian Campbell [this message]
2015-09-29 16:21 ` [PATCH v2 3/7] xen/arm: Warn when a device tree path will be re-used by Xen Julien Grall
2015-10-01 12:01 ` Ian Campbell
2015-10-01 12:39 ` Julien Grall
2015-09-29 16:21 ` [PATCH v2 4/7] xen/arm: vgic-v2: Drop cbase from arch_domain Julien Grall
2015-09-29 16:21 ` [PATCH v2 5/7] xen/arm: gic: Check the size of the CPU and vCPU interface retrieved from DT Julien Grall
2015-10-01 12:08 ` Ian Campbell
2015-10-01 12:43 ` Julien Grall
2015-10-01 12:54 ` Ian Campbell
2015-09-29 16:21 ` [PATCH v2 6/7] xen/arm: gic-v2: Automatically detect aliased GIC400 Julien Grall
2015-10-01 12:10 ` Ian Campbell
2015-09-29 16:21 ` [PATCH v2 7/7] xen/arm: platform: Drop the quirks callback Julien Grall
2015-09-29 16:55 ` Julien Grall
2015-10-01 12:10 ` Ian Campbell
2015-10-01 12:56 ` [PATCH v2 0/7] xen/arm: gic-v2: Detect automatically aliased GIC 400 Ian Campbell
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