From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 20 Jan 2016 14:01:31 -0300
Subject: Linux-libre 4.4-gnu
---
drivers/tty/hvc/Kconfig | 2 +-
drivers/tty/hvc/hvc_console.c | 20 ++------------------
drivers/tty/hvc/hvc_dcc.c | 15 +++++++++++----
drivers/tty/hvc/hvc_iucv.c | 10 +++++-----
drivers/tty/hvc/hvc_xen.c | 4 ++--
drivers/tty/hvc/hvcs.c | 2 +-
6 files changed, 22 insertions(+), 31 deletions(-)
(limited to 'drivers/tty/hvc')
diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig
index 2509d057b..574da15fe 100644
--- a/drivers/tty/hvc/Kconfig
+++ b/drivers/tty/hvc/Kconfig
@@ -81,7 +81,7 @@ config HVC_UDBG
config HVC_DCC
bool "ARM JTAG DCC console"
- depends on ARM
+ depends on ARM || ARM64
select HVC_DRIVER
help
This console uses the JTAG DCC on ARM to create a console under the HVC
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 47d58d87d..3155b464e 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -29,7 +29,7 @@
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/list.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/major.h>
#include <linux/atomic.h>
#include <linux/sysrq.h>
@@ -418,7 +418,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
* there is no buffered data otherwise sleeps on a wait queue
* waking periodically to check chars_in_buffer().
*/
- tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT);
+ tty_wait_until_sent(tty, HVC_CLOSE_WAIT);
} else {
if (hp->port.count < 0)
printk(KERN_ERR "hvc_close %X: oops, count is %d\n",
@@ -1005,19 +1005,3 @@ put_tty:
out:
return err;
}
-
-/* This isn't particularly necessary due to this being a console driver
- * but it is nice to be thorough.
- */
-static void __exit hvc_exit(void)
-{
- if (hvc_driver) {
- kthread_stop(hvc_task);
-
- tty_unregister_driver(hvc_driver);
- /* return tty_struct instances allocated in hvc_init(). */
- put_tty_driver(hvc_driver);
- unregister_console(&hvc_console);
- }
-}
-module_exit(hvc_exit);
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 809920d80..82f240fb9 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -70,20 +70,27 @@ static const struct hv_ops hvc_dcc_get_put_ops = {
static int __init hvc_dcc_console_init(void)
{
+ int ret;
+
if (!hvc_dcc_check())
return -ENODEV;
- hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
- return 0;
+ /* Returns -1 if error */
+ ret = hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
+
+ return ret < 0 ? -ENODEV : 0;
}
console_initcall(hvc_dcc_console_init);
static int __init hvc_dcc_init(void)
{
+ struct hvc_struct *p;
+
if (!hvc_dcc_check())
return -ENODEV;
- hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
- return 0;
+ p = hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
+
+ return PTR_ERR_OR_ZERO(p);
}
device_initcall(hvc_dcc_init);
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index bb809cf36..8b70a1627 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -88,8 +88,8 @@ struct iucv_tty_buffer {
};
/* IUCV callback handler */
-static int hvc_iucv_path_pending(struct iucv_path *, u8[8], u8[16]);
-static void hvc_iucv_path_severed(struct iucv_path *, u8[16]);
+static int hvc_iucv_path_pending(struct iucv_path *, u8 *, u8 *);
+static void hvc_iucv_path_severed(struct iucv_path *, u8 *);
static void hvc_iucv_msg_pending(struct iucv_path *, struct iucv_message *);
static void hvc_iucv_msg_complete(struct iucv_path *, struct iucv_message *);
@@ -782,8 +782,8 @@ static int hvc_iucv_filter_connreq(u8 ipvmid[8])
*
* Locking: struct hvc_iucv_private->lock
*/
-static int hvc_iucv_path_pending(struct iucv_path *path,
- u8 ipvmid[8], u8 ipuser[16])
+static int hvc_iucv_path_pending(struct iucv_path *path, u8 *ipvmid,
+ u8 *ipuser)
{
struct hvc_iucv_private *priv, *tmp;
u8 wildcard[9] = "lnxhvc ";
@@ -881,7 +881,7 @@ out_path_handled:
*
* Locking: struct hvc_iucv_private->lock
*/
-static void hvc_iucv_path_severed(struct iucv_path *path, u8 ipuser[16])
+static void hvc_iucv_path_severed(struct iucv_path *path, u8 *ipuser)
{
struct hvc_iucv_private *priv = path->private;
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 48c645dc6..f9da806fc 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -230,7 +230,7 @@ static int xen_hvm_console_init(void)
if (r < 0 || v == 0)
goto err;
gfn = v;
- info->intf = xen_remap(gfn << PAGE_SHIFT, PAGE_SIZE);
+ info->intf = xen_remap(gfn << XEN_PAGE_SHIFT, XEN_PAGE_SIZE);
if (info->intf == NULL)
goto err;
info->vtermno = HVC_COOKIE;
@@ -472,7 +472,7 @@ static int xencons_resume(struct xenbus_device *dev)
struct xencons_info *info = dev_get_drvdata(&dev->dev);
xencons_disconnect_backend(info);
- memset(info->intf, 0, PAGE_SIZE);
+ memset(info->intf, 0, XEN_PAGE_SIZE);
return xencons_connect_backend(dev, info);
}
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index f7ff97c0a..5997b1731 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -1230,7 +1230,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
irq = hvcsd->vdev->irq;
spin_unlock_irqrestore(&hvcsd->lock, flags);
- tty_wait_until_sent_from_close(tty, HVCS_CLOSE_WAIT);
+ tty_wait_until_sent(tty, HVCS_CLOSE_WAIT);
/*
* This line is important because it tells hvcs_open that this
--
cgit v1.2.3-54-g00ecf