diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0432-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0432-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0432-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch b/target/linux/bcm27xx/patches-5.4/950-0432-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch deleted file mode 100644 index 28d1987a9c..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0432-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 39f5d9e883393e32938eac45b564f74afde8a942 Mon Sep 17 00:00:00 2001 -From: Rob Herring <robh@kernel.org> -Date: Wed, 4 Sep 2019 11:43:30 +0100 -Subject: [PATCH] of/address: Translate 'dma-ranges' for parent nodes - missing 'dma-ranges' - -commit 81db12ee15cb83926e290a8a3654a2dfebc80935 upstream. - -'dma-ranges' frequently exists without parent nodes having 'dma-ranges'. -While this is an error for 'ranges', this is fine because DMA capable -devices always have a translatable DMA address. Also, with no -'dma-ranges' at all, the assumption is that DMA addresses are 1:1 with -no restrictions unless perhaps the device itself has implicit -restrictions. - -Cc: Robin Murphy <robin.murphy@arm.com> -Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> -Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> -Signed-off-by: Rob Herring <robh@kernel.org> ---- - drivers/of/address.c | 6 +++++- - 1 file changed, 5 insertions(+), 1 deletion(-) - ---- a/drivers/of/address.c -+++ b/drivers/of/address.c -@@ -519,9 +519,13 @@ static int of_translate_one(struct devic - * - * As far as we know, this damage only exists on Apple machines, so - * This code is only enabled on powerpc. --gcl -+ * -+ * This quirk also applies for 'dma-ranges' which frequently exist in -+ * child nodes without 'dma-ranges' in the parent nodes. --RobH - */ - ranges = of_get_property(parent, rprop, &rlen); -- if (ranges == NULL && !of_empty_ranges_quirk(parent)) { -+ if (ranges == NULL && !of_empty_ranges_quirk(parent) && -+ strcmp(rprop, "dma-ranges")) { - pr_debug("no ranges; cannot translate\n"); - return 1; - } |