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From: Stefano Stabellini <sstabellini@kernel.org>
To: julien.grall@arm.com
Cc: sstabellini@kernel.org, andrii_anisov@epam.com,
	jbeulich@suse.com, xen-devel@lists.xen.org
Subject: [PATCH v8 06/11] arm: make it possible to disable the SMMU driver
Date: Mon, 30 Jul 2018 10:48:27 -0700	[thread overview]
Message-ID: <1532972912-12439-6-git-send-email-sstabellini@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1807301042060.20701@sstabellini-ThinkPad-X260>

Introduce a Kconfig option for the ARM SMMUv1 and SMMUv2 driver.

Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Julien Grall <julien.grall@arm.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
CC: jbeulich@suse.com

---
Changes in v3:
- rename SMMUv2 to ARM_SMMU
- improve help message
- use if ARM

Changes in v2:
- rename HAS_SMMUv2 to SMMUv2
- move SMMUv2 to xen/drivers/passthrough/Kconfig
---
 xen/drivers/passthrough/Kconfig      | 12 ++++++++++++
 xen/drivers/passthrough/arm/Makefile |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/Kconfig b/xen/drivers/passthrough/Kconfig
index 8d90b67..a3c0649 100644
--- a/xen/drivers/passthrough/Kconfig
+++ b/xen/drivers/passthrough/Kconfig
@@ -1,3 +1,15 @@
 
 config HAS_PASSTHROUGH
 	bool
+
+if ARM
+config ARM_SMMU
+	bool "ARM SMMUv1 and v2 driver"
+	default y
+	---help---
+	  Support for implementations of the ARM System MMU architecture
+	  versions 1 and 2.
+
+	  Say Y here if your SoC includes an IOMMU device implementing the
+	  ARM SMMU architecture.
+endif
diff --git a/xen/drivers/passthrough/arm/Makefile b/xen/drivers/passthrough/arm/Makefile
index f4cd26e..0156431 100644
--- a/xen/drivers/passthrough/arm/Makefile
+++ b/xen/drivers/passthrough/arm/Makefile
@@ -1,2 +1,2 @@
 obj-y += iommu.o
-obj-y += smmu.o
+obj-$(ARM_SMMU) += smmu.o
-- 
1.9.1


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  parent reply	other threads:[~2018-07-30 17:48 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-30 17:48 [PATCH v8 00/11] arm: more kconfig configurability and small default configs Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 01/11] arm: remove the ARM HDLCD driver Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 02/11] arm: make it possible to disable HAS_GICV3 Stefano Stabellini
2018-07-31  8:04   ` Jan Beulich
2018-07-31 11:07     ` Julien Grall
2018-07-30 17:48 ` [PATCH v8 03/11] arm: rename HAS_GICV3 to GICV3 Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 04/11] Make MEM_ACCESS configurable Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 05/11] make it possible to enable/disable UART drivers Stefano Stabellini
2018-07-30 17:48 ` Stefano Stabellini [this message]
2018-07-30 17:48 ` [PATCH v8 07/11] arm: add a tiny kconfig configuration Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 08/11] arm: add ALL_PLAT, QEMU, Rcar3 and MPSoC configs Stefano Stabellini
2018-07-31 11:17   ` Julien Grall
2018-08-01  7:25   ` Andrii Anisov
2018-08-01 22:43     ` Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 09/11] xen: add per-platform defaults for NR_CPUS Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 10/11] xen: add cloc target Stefano Stabellini
2018-07-30 17:48 ` [PATCH v8 11/11] xen: specify support for EXPERT and DEBUG Kconfig options Stefano Stabellini
2018-07-31 11:28 ` [PATCH v8 00/11] arm: more kconfig configurability and small default configs Julien Grall
2018-07-31 16:10   ` Stefano Stabellini
2018-08-02 12:07     ` Julien Grall
2018-08-02 20:25       ` Stefano Stabellini

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