bus: mhi: ep: Do not allocate event ring element on stack

Browse source

It is possible that the host controller driver would use DMA framework to
write the event ring element. So avoid allocating event ring element on the
stack as DMA cannot work on vmalloc memory.

Cc: stable@vger.kernel.org
Fixes: 961aeb6892 ("bus: mhi: ep: Add support for sending events to the host")
Link: https://lore.kernel.org/r/20230901073502.69385-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

...

This commit is contained in:

Manivannan Sadhasivam 2023-09-01 13:05:02 +05:30

parent b85ea95d08

commit 987fdb5a43

1 changed files with 50 additions and 18 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

68

drivers/bus/mhi/ep/main.c

View file