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Date:   Mon, 24 Jan 2022 19:40:50 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lizhi Hou <lizhi.hou@...inx.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 066/320] tty: serial: uartlite: allow 64 bit address

From: Lizhi Hou <lizhi.hou@...inx.com>

[ 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@...inx.com>
Link: https://lore.kernel.org/r/20211129202302.1319033-1-lizhi.hou@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/tty/serial/uartlite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
-- 
2.34.1



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