linux-kernel - [RFC 1/4] remoteproc: Bugfix assign device address to carveout (noiommu)

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Message-Id: <1340375470-13097-2-git-send-email-sjur.brandeland@stericsson.com>
Date:	Fri, 22 Jun 2012 16:31:07 +0200
From:	sjur.brandeland@...ricsson.com
To:	Ohad Ben-Cohen <ohad@...ery.com>
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sjur Brændeland <sjurbren@...il.com>,
	Sjur Brændeland <sjur.brandeland@...ricsson.com>
Subject: [RFC 1/4] remoteproc: Bugfix assign device address to carveout (noiommu)

From: Sjur Brændeland <sjur.brandeland@...ricsson.com>

Carveout did not set device address when IOMMU is not supported.
Fix this by assigning dma address to device address to carveout
if IOMMU is not supported.

Signed-off-by: Sjur Brændeland <sjur.brandeland@...ricsson.com>
---
 drivers/remoteproc/remoteproc_core.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index bee4644..8185c11 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -628,6 +628,10 @@ static int rproc_handle_carveout(struct rproc *rproc,
 		 * dual M3 subsystem).
 		 */
 		rsc->pa = dma;
+	} else {
+		rsc->da = dma;
+		dev_dbg(dev, "carveout: %s va %p dma %x\n",
+					rsc->name, va, rsc->da);
 	}
 
 	carveout->va = va;
-- 
1.7.5.4

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