summaryrefslogtreecommitdiffstats
path: root/drivers/tty/cyclades.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-17 16:17:36 +0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-17 16:17:36 +0200
commita3db9d60a118571e696b684a6e8c692a2b064941 (patch)
treeff7bae0f79b7a2ee0bce03de4f883550200c52a9 /drivers/tty/cyclades.c
parentmedia: staging: cxd2099: Activate cxd2099 buffer mode (diff)
parentLinux v4.13-rc1 (diff)
downloadlinux-a3db9d60a118571e696b684a6e8c692a2b064941.tar.xz
linux-a3db9d60a118571e696b684a6e8c692a2b064941.zip
Merge tag 'v4.13-rc1' into patchwork
Linux v4.13-rc1 * tag 'v4.13-rc1': (11136 commits) Linux v4.13-rc1 random: reorder READ_ONCE() in get_random_uXX random: suppress spammy warnings about unseeded randomness replace incorrect strscpy use in FORTIFY_SOURCE kmod: throttle kmod thread limit kmod: add test driver to stress test the module loader MAINTAINERS: give kmod some maintainer love xtensa: use generic fb.h fault-inject: add /proc/<pid>/fail-nth fault-inject: simplify access check for fail-nth fault-inject: make fail-nth read/write interface symmetric fault-inject: parse as natural 1-based value for fail-nth write interface fault-inject: automatically detect the number base for fail-nth write interface kernel/watchdog.c: use better pr_fmt prefix MAINTAINERS: move the befs tree to kernel.org lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int mm: fix overflow check in expand_upwards() ubifs: Set double hash cookie also for RENAME_EXCHANGE ubifs: Massage assert in ubifs_xattr_set() wrt. init_xattrs ubifs: Don't leak kernel memory to the MTD ...
Diffstat (limited to 'drivers/tty/cyclades.c')
-rw-r--r--drivers/tty/cyclades.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
index 104f09c58163..d272bc4e7fb5 100644
--- a/drivers/tty/cyclades.c
+++ b/drivers/tty/cyclades.c
@@ -1975,18 +1975,6 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
cflag = tty->termios.c_cflag;
iflag = tty->termios.c_iflag;
- /*
- * Set up the tty->alt_speed kludge
- */
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
- tty->alt_speed = 57600;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
- tty->alt_speed = 115200;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
- tty->alt_speed = 230400;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
- tty->alt_speed = 460800;
-
card = info->card;
channel = info->line - card->first_line;
@@ -2295,12 +2283,16 @@ cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
+ int old_flags;
int ret;
if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
return -EFAULT;
mutex_lock(&info->port.mutex);
+
+ old_flags = info->port.flags;
+
if (!capable(CAP_SYS_ADMIN)) {
if (new_serial.close_delay != info->port.close_delay ||
new_serial.baud_base != info->baud ||
@@ -2332,6 +2324,11 @@ cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
check_and_exit:
if (tty_port_initialized(&info->port)) {
+ if ((new_serial.flags ^ old_flags) & ASYNC_SPD_MASK) {
+ /* warn about deprecation unless clearing */
+ if (new_serial.flags & ASYNC_SPD_MASK)
+ dev_warn_ratelimited(tty->dev, "use of SPD flags is deprecated\n");
+ }
cy_set_line_char(info, tty);
ret = 0;
} else {