From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] ARM: shmobile: r8a7790: DU and IPMMU-MX prototype
Date: Thu, 17 Dec 2015 11:38:28 +0000 [thread overview]
Message-ID: <56729EB4.3070501@cogentembedded.com> (raw)
In-Reply-To: <20151217064535.30114.91840.sendpatchset@little-apple>
Hello.
On 12/17/2015 9:45 AM, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@opensource.se>
>
> Enable the IPMMU-MX device and hook up the DU on r8a7790,
> and also include enable debug messages.
>
> On boards such as r8a7790 Lager the DU will with this change
> included use IOMMU framework and IPMMU-MX device when driving
> on-board video output via VGA, HDMI and LVDS.
>
> Not-Yet-Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
> ---
>
> Written against renesas-devel-20151217v2-v4.4-rc5
>
> arch/arm/boot/dts/r8a7790.dtsi | 3 ++-
> drivers/iommu/iommu.c | 2 +-
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> --- 0001/arch/arm/boot/dts/r8a7790.dtsi
> +++ work/arch/arm/boot/dts/r8a7790.dtsi 2015-12-17 15:38:20.890513000 +0900
> @@ -886,6 +886,7 @@
> <&mstp7_clks R8A7790_CLK_LVDS0>,
> <&mstp7_clks R8A7790_CLK_LVDS1>;
> clock-names = "du.0", "du.1", "du.2", "lvds.0", "lvds.1";
> + iommus = <&ipmmu_mx 15>, <&ipmmu_mx 16>;
> status = "disabled";
>
> ports {
> @@ -1809,7 +1810,7 @@
> interrupts = <0 222 IRQ_TYPE_LEVEL_HIGH>,
> <0 221 IRQ_TYPE_LEVEL_HIGH>;
> #iommu-cells = <1>;
> - status = "disabled";
> + status = "okay";
It's enough to just omit the "status" prop, AFAIK.
[...]
> --- 0001/drivers/iommu/iommu.c
> +++ work/drivers/iommu/iommu.c 2015-12-17 15:38:34.880513000 +0900
> @@ -15,7 +15,7 @@
> * along with this program; if not, write to the Free Software
> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> */
> -
> +#define DEBUG
Unrelated change?
MBR, Sergei
next prev parent reply other threads:[~2015-12-17 11:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 6:45 [PATCH] ARM: shmobile: r8a7790: DU and IPMMU-MX prototype Magnus Damm
2015-12-17 11:38 ` Sergei Shtylyov [this message]
2015-12-17 11:42 ` Sergei Shtylyov
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