diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0761-staging-vchiq_arm-Use-g_dma_dev-for-dma_unmap_sg.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0761-staging-vchiq_arm-Use-g_dma_dev-for-dma_unmap_sg.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0761-staging-vchiq_arm-Use-g_dma_dev-for-dma_unmap_sg.patch b/target/linux/bcm27xx/patches-5.4/950-0761-staging-vchiq_arm-Use-g_dma_dev-for-dma_unmap_sg.patch new file mode 100644 index 0000000000..4af13475f9 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0761-staging-vchiq_arm-Use-g_dma_dev-for-dma_unmap_sg.patch @@ -0,0 +1,27 @@ +From fecd0c670aabdbe5bac8fb58be374dd02ea2e8a2 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Thu, 4 Jun 2020 17:23:36 +0100 +Subject: [PATCH] staging: vchiq_arm: Use g_dma_dev for dma_unmap_sg + +Commit "staging: vchiq_arm: Clean up 40-bit DMA support" failed to +change one of the calls to dma_unmap_sg to pass in g_dma_dev (rather +than g_dev). Correct that oversight. + +See: https://github.com/raspberrypi/linux/issues/3647 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + .../staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c ++++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +@@ -641,7 +641,7 @@ free_pagelist(struct vchiq_pagelist_info + * NOTE: dma_unmap_sg must be called before the + * cpu can touch any of the data/pages. + */ +- dma_unmap_sg(g_dev, pagelistinfo->scatterlist, ++ dma_unmap_sg(g_dma_dev, pagelistinfo->scatterlist, + pagelistinfo->num_pages, pagelistinfo->dma_dir); + pagelistinfo->scatterlist_mapped = 0; + |