firmware: arm_ffa: Set dma_mask for ffa devices

[ Upstream commit cc0aac7ca17e0ea3ca84b552fc79f3e86fd07f53 ]

Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer
lead to following warning:

WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Message-Id: <e3dd8042ac680bd74b6580c25df855d092079c18.1737107520.git.viresh.kumar@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
index fa09a82b44921ea43ae6039fd0ed4957fce47303..eacde92802f58316366df8e4643ec228c4c79e2e 100644 (file)
--- a/drivers/firmware/arm_ffa/bus.c
+++ b/drivers/firmware/arm_ffa/bus.c
@@ -213,6 +213,7 @@ ffa_device_register(const struct ffa_partition_info *part_info,
        dev = &ffa_dev->dev;
        dev->bus = &ffa_bus_type;
        dev->release = ffa_release_device;
+       dev->dma_mask = &dev->coherent_dma_mask;
        dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id);
 
        ffa_dev->id = id;