diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch b/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch new file mode 100644 index 0000000000..7de34d19ea --- /dev/null +++ b/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch @@ -0,0 +1,30 @@ +From f7011c18a26d40a07b837a79d0efdad795ad7250 Mon Sep 17 00:00:00 2001 +From: Itai Katz <itai.katz@nxp.com> +Date: Mon, 11 Apr 2016 11:55:48 -0500 +Subject: [PATCH 172/226] 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> +--- + drivers/staging/fsl-mc/bus/mc-bus.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- 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_region + 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; |