This is a note to let you know that I've just added the patch titled
tty: serial: uartlite: allow 64 bit address
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:
tty-serial-uartlite-allow-64-bit-address.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 41e7d7969f28f9f001476e9c900e273e0474e013
Author: Lizhi Hou <lizhi.hou@xxxxxxxxxx>
Date: Mon Nov 29 12:23:02 2021 -0800
tty: serial: uartlite: allow 64 bit address
[ Upstream commit 3672fb65155530b5eea6225685c75329b6debec3 ]
The base address of uartlite registers could be 64 bit address which is from
device resource. When ulite_probe() calls ulite_assign(), this 64 bit
address is casted to 32-bit. The fix is to replace "u32" type with
"phys_addr_t" type for the base address in ulite_assign() argument list.
Fixes: 8fa7b6100693 ("[POWERPC] Uartlite: Separate the bus binding from the driver proper")
Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20211129202302.1319033-1-lizhi.hou@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 56066d93a65b8..9a4049c894f7a 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -618,7 +618,7 @@ static struct uart_driver ulite_uart_driver = {
*
* Returns: 0 on success, <0 otherwise
*/
-static int ulite_assign(struct device *dev, int id, u32 base, int irq,
+static int ulite_assign(struct device *dev, int id, phys_addr_t base, int irq,
struct uartlite_data *pdata)
{
struct uart_port *port;
