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Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0015-serial-pch-Don-t-disable-interrupts-while-acquiring-.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/debian/patches-rt/0015-serial-pch-Don-t-disable-interrupts-while-acquiring-.patch b/debian/patches-rt/0015-serial-pch-Don-t-disable-interrupts-while-acquiring-.patch deleted file mode 100644 index aad340f32c..0000000000 --- a/debian/patches-rt/0015-serial-pch-Don-t-disable-interrupts-while-acquiring-.patch +++ /dev/null @@ -1,42 +0,0 @@ -From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Date: Fri, 1 Mar 2024 22:45:28 +0100 -Subject: [PATCH 15/18] serial: pch: Don't disable interrupts while acquiring - lock in ISR. -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz - -The interrupt service routine is always invoked with disabled -interrupts. - -Remove the _irqsave() from the locking functions in the interrupts -service routine/ pch_uart_interrupt(). - -Link: https://lore.kernel.org/r/20240301215246.891055-16-bigeasy@linutronix.de -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - drivers/tty/serial/pch_uart.c | 5 ++--- - 1 file changed, 2 insertions(+), 3 deletions(-) - ---- a/drivers/tty/serial/pch_uart.c -+++ b/drivers/tty/serial/pch_uart.c -@@ -1010,11 +1010,10 @@ static irqreturn_t pch_uart_interrupt(in - u8 lsr; - int ret = 0; - unsigned char iid; -- unsigned long flags; - int next = 1; - u8 msr; - -- spin_lock_irqsave(&priv->lock, flags); -+ spin_lock(&priv->lock); - handled = 0; - while (next) { - iid = pch_uart_hal_get_iid(priv); -@@ -1074,7 +1073,7 @@ static irqreturn_t pch_uart_interrupt(in - handled |= (unsigned int)ret; - } - -- spin_unlock_irqrestore(&priv->lock, flags); -+ spin_unlock(&priv->lock); - return IRQ_RETVAL(handled); - } - |