diff options
Diffstat (limited to 'debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch')
| -rw-r--r-- | debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch b/debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch index 6309f7e50..9bb7c51b0 100644 --- a/debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch +++ b/debian/patches-rt/0165-tty-serial-pl011-Make-the-locking-work-on-RT.patch @@ -1,8 +1,7 @@ -From e699af6cca35d036a6876b5c9ec0b1355cc16842 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 8 Jan 2013 21:36:51 +0100 -Subject: [PATCH 165/347] tty/serial/pl011: Make the locking work on RT -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz +Subject: [PATCH 165/342] tty/serial/pl011: Make the locking work on RT +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=4fdbc8d0d5cf770ae17bc4112cb279784d1e78de The lock is a sleeping lock and local_irq_save() is not the optimsation we are looking for. Redo it to make it work on -RT and non-RT. @@ -13,10 +12,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c -index 5edc3813a9b9..7d4aee4c5091 100644 +index 7de4bed1ddba..c93f742f1d9d 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c -@@ -2196,13 +2196,19 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) +@@ -2215,13 +2215,19 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) clk_enable(uap->clk); @@ -39,7 +38,7 @@ index 5edc3813a9b9..7d4aee4c5091 100644 /* * First save the CR then disable the interrupts -@@ -2228,8 +2234,7 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) +@@ -2247,8 +2253,7 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) pl011_write(old_cr, uap, REG_CR); if (locked) @@ -49,6 +48,3 @@ index 5edc3813a9b9..7d4aee4c5091 100644 clk_disable(uap->clk); } --- -2.36.1 - |