This is a note to let you know that I've just added the patch titled
input: raspberrypi-ts: Release firmware handle when not needed
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-raspberrypi-ts-release-firmware-handle-when-no.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c4cbafd9e5f95285b8cff238920e36a69e5023fc
Author: Nicolas Saenz Julienne <nsaenz@xxxxxxxxxx>
Date: Mon Jan 18 13:32:41 2021 +0100
input: raspberrypi-ts: Release firmware handle when not needed
[ Upstream commit 3b8ddff780b7d12e99ae39177f84b9003097777a ]
There is no use for the firmware interface after getting the touch
buffer address, so release it.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Stable-dep-of: 5bca3688bdbc ("Input: raspberrypi-ts - fix refcount leak in rpi_ts_probe")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c
index 69881265d1218..4740a7c412364 100644
--- a/drivers/input/touchscreen/raspberrypi-ts.c
+++ b/drivers/input/touchscreen/raspberrypi-ts.c
@@ -164,7 +164,7 @@ static int rpi_ts_probe(struct platform_device *pdev)
touchbuf = (u32)ts->fw_regs_phys;
error = rpi_firmware_property(fw, RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF,
&touchbuf, sizeof(touchbuf));
-
+ rpi_firmware_put(fw);
if (error || touchbuf != 0) {
dev_warn(dev, "Failed to set touchbuf, %d\n", error);
return error;
