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xr_usb_serial_common: fix kernel 5.10 builds 

Building the xr_usb_serial module fails for Kenel 5.10 with CONFIG_PM
enabled:

xr_usb_serial_common.c:1574:15: error: 'ASYNCB_INITIALIZED' undeclared
(first use in this function); did you mean 'RCU_INITIALIZER'?

Use tty_port_initialized in order to determine the status of the TTY
port. This is compatible with Kernel 5.10 and at least Kernel 5.4.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2021-05-22 10:39:53 +02:00
parent f2b7dce0a4
commit 69cf7836df
2 changed files with 49 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libs/xr_usb_serial_common/Makefile
View File

@ -4,7 +4,7 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=usb-serial-xr_usb_serial_common
PKG_SOURCE_DATE:=2017-08-01
PKG_SOURCE_VERSION:=b8dad8cf15de160afbd9989f880dc74b921a857b
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL:=https://github.com/kasbert/epsolar-tracer

48
libs/xr_usb_serial_common/patches/0001-common.c-fix-kernel-5.10-builds-with-CONFIG_PM-enabl.patch Normal file
View File

@ -0,0 +1,48 @@
From e4d127ddc83c5fbd93b9c8e2e4fe63b820ac28b6 Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Sat, 22 May 2021 10:37:06 +0200
Subject: [PATCH] common.c: fix kernel 5.10 builds with CONFIG_PM enabled
Building the xr_usb_serial module fails for Kenel 5.10 with CONFIG_PM
enabled:
xr_usb_serial_common.c:1574:15: error: 'ASYNCB_INITIALIZED' undeclared
(first use in this function); did you mean 'RCU_INITIALIZER'?
Use tty_port_initialized in order to determine the status of the TTY
port. This is compatible with Kernel 5.10 and at least Kernel 5.4.
Signed-off-by: David Bauer <mail@david-bauer.net>
---
xr_usb_serial_common-1a/xr_usb_serial_common.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/xr_usb_serial_common-1a/xr_usb_serial_common.c
+++ b/xr_usb_serial_common-1a/xr_usb_serial_common.c
@@ -1571,7 +1571,7 @@ static int xr_usb_serial_suspend(struct
if (cnt)
return 0;
- if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags))
+ if (tty_port_initialized(&xr_usb_serial->port))
stop_data_traffic(xr_usb_serial);
return 0;
@@ -1592,7 +1592,7 @@ static int xr_usb_serial_resume(struct u
if (cnt)
return 0;
- if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags)) {
+ if (tty_port_initialized(&xr_usb_serial->port)) {
rv = usb_submit_urb(xr_usb_serial->ctrlurb, GFP_NOIO);
spin_lock_irq(&xr_usb_serial->write_lock);
@@ -1623,7 +1623,7 @@ static int xr_usb_serial_reset_resume(st
{
struct xr_usb_serial *xr_usb_serial = usb_get_intfdata(intf);
struct tty_struct *tty;
- if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags)){
+ if (tty_port_initialized(&xr_usb_serial->port)){
#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 9, 0)
tty_port_tty_hangup(&xr_usb_serial->port, false);
#else