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authorPaul Mackerras <paulus@samba.org>2008-01-24 10:07:21 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-24 10:07:21 +1100
commit9156ad48338e0306e508ead5c0d9986050744475 (patch)
tree37f3a90e38190052ecf3cdf9171dfdddd37b56fd /drivers/char
parentfa28237cfcc5827553044cbd6ee52e33692b0faa (diff)
parent8f7b3d156d348b6766833cd4e272d0d19b501e64 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/tpm/tpm.c12
-rw-r--r--drivers/char/tty_ioctl.c21
3 files changed, 27 insertions, 8 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index ef1ed5d70125..2e3a0d4bc4c2 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -137,7 +137,7 @@ config CYCLADES
your Linux box, for instance in order to become a dial-in server.
For information about the Cyclades-Z card, read
- <file:drivers/char/README.cycladesZ>.
+ <file:Documentation/README.cycladesZ>.
To compile this driver as a module, choose M here: the
module will be called cyclades.
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 39564b76d4a3..c88424a0c89b 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1046,12 +1046,6 @@ void tpm_remove_hardware(struct device *dev)
}
EXPORT_SYMBOL_GPL(tpm_remove_hardware);
-static u8 savestate[] = {
- 0, 193, /* TPM_TAG_RQU_COMMAND */
- 0, 0, 0, 10, /* blob length (in bytes) */
- 0, 0, 0, 152 /* TPM_ORD_SaveState */
-};
-
/*
* We are about to suspend. Save the TPM state
* so that it can be restored.
@@ -1059,6 +1053,12 @@ static u8 savestate[] = {
int tpm_pm_suspend(struct device *dev, pm_message_t pm_state)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
+ u8 savestate[] = {
+ 0, 193, /* TPM_TAG_RQU_COMMAND */
+ 0, 0, 0, 10, /* blob length (in bytes) */
+ 0, 0, 0, 152 /* TPM_ORD_SaveState */
+ };
+
if (chip == NULL)
return -ENODEV;
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index 1bdd2bf4f37d..d4b6d64e858b 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -62,7 +62,7 @@ void tty_wait_until_sent(struct tty_struct * tty, long timeout)
if (!timeout)
timeout = MAX_SCHEDULE_TIMEOUT;
if (wait_event_interruptible_timeout(tty->write_wait,
- !tty->driver->chars_in_buffer(tty), timeout))
+ !tty->driver->chars_in_buffer(tty), timeout) < 0)
return;
if (tty->driver->wait_until_sent)
tty->driver->wait_until_sent(tty, timeout);
@@ -365,6 +365,25 @@ void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old)
EXPORT_SYMBOL(tty_termios_copy_hw);
/**
+ * tty_termios_hw_change - check for setting change
+ * @a: termios
+ * @b: termios to compare
+ *
+ * Check if any of the bits that affect a dumb device have changed
+ * between the two termios structures, or a speed change is needed.
+ */
+
+int tty_termios_hw_change(struct ktermios *a, struct ktermios *b)
+{
+ if (a->c_ispeed != b->c_ispeed || a->c_ospeed != b->c_ospeed)
+ return 1;
+ if ((a->c_cflag ^ b->c_cflag) & ~(HUPCL | CREAD | CLOCAL))
+ return 1;
+ return 0;
+}
+EXPORT_SYMBOL(tty_termios_hw_change);
+
+/**
* change_termios - update termios values
* @tty: tty to update
* @new_termios: desired new value