From 77e97abf129c5028385dd72587eabab68db0d954 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 28 May 2020 19:08:55 +0200 Subject: bcm27xx: update to latest patches from RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas --- ...Translate-dma-ranges-for-parent-nodes-mis.patch | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0438-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0438-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0438-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch b/target/linux/bcm27xx/patches-5.4/950-0438-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch new file mode 100644 index 0000000000..28d1987a9c --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0438-of-address-Translate-dma-ranges-for-parent-nodes-mis.patch @@ -0,0 +1,40 @@ +From 39f5d9e883393e32938eac45b564f74afde8a942 Mon Sep 17 00:00:00 2001 +From: Rob Herring +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 +Tested-by: Nicolas Saenz Julienne +Reviewed-by: Nicolas Saenz Julienne +Signed-off-by: Rob Herring +--- + 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; + } -- cgit v1.2.3