From: Itai Katz <itai.katz@nxp.com>
Date: Mon, 11 Apr 2016 16:55:48 +0000 (-0500)
Subject: staging: fsl-mc: set cacheable flag for added devices if applicable
X-Git-Tag: v5.15~13567^2~99
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b3721fc1e0cb2f2e1e4732ab4c9bf72363a6b5ed;p=platform%2Fkernel%2Flinux-starfive.git

staging: fsl-mc: set cacheable flag for added devices if applicable

Some DPAA2 devices have mmio regions that should be mapped as
cacheable by drivers.  Set IORESOURCE_CACHEABLE in the region's
flags if applicable.

Signed-off-by: Itai Katz <itai.katz@nxp.com>
[Stuart: update subject and commit message]
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: German Rivera <german.rivera@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/mc-bus.c
index 8bf76d7..2075597 100644
--- a/drivers/staging/fsl-mc/bus/mc-bus.c
+++ b/drivers/staging/fsl-mc/bus/mc-bus.c
@@ -354,6 +354,8 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev,
 		regions[i].end = regions[i].start + region_desc.size - 1;
 		regions[i].name = "fsl-mc object MMIO region";
 		regions[i].flags = IORESOURCE_IO;
+		if (region_desc.flags & DPRC_REGION_CACHEABLE)
+			regions[i].flags |= IORESOURCE_CACHEABLE;
 	}
 
 	mc_dev->regions = regions;