diff options
Diffstat (limited to 'target/linux/ar7/patches-3.18/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch')
| -rw-r--r-- | target/linux/ar7/patches-3.18/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/ar7/patches-3.18/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch b/target/linux/ar7/patches-3.18/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch deleted file mode 100644 index f6a8754864..0000000000 --- a/target/linux/ar7/patches-3.18/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch +++ /dev/null @@ -1,48 +0,0 @@ -From ee6c9d41de084b2cefd90e5e0c9f30a35f6d3967 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski <jonas.gorski@gmail.com> -Date: Sun, 29 Oct 2017 15:50:42 +0100 -Subject: [PATCH RFC 3/3] MIPS: AR7: ensure the port type's FCR value is used - -Since commit aef9a7bd9b67 ("serial/uart/8250: Add tunable RX interrupt -trigger I/F of FIFO buffers"), the port's default FCR value isn't used -in serial8250_do_set_termios anymore, but copied over once in -serial8250_config_port and then modified as needed. - -Unfortunately, serial8250_config_port will never be called if the port -is shared between kernel and userspace, and the port's flag doesn't have -UPF_BOOT_AUTOCONF, which would trigger a serial8250_config_port as well. - -This causes garbled output from userspace: - -[ 5.220000] random: procd urandom read with 49 bits of entropy available -ers - [kee - -Fix this by forcing it to be configured on boot, resulting in the -expected output: - -[ 5.250000] random: procd urandom read with 50 bits of entropy available -Press the [f] key and hit [enter] to enter failsafe mode -Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level - -Fixes: aef9a7bd9b67 ("serial/uart/8250: Add tunable RX interrupt trigger I/F of FIFO buffers") -Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> ---- -I'm not sure if this is just AR7's issue, or if this points to a general -issue for UARTs used as kernel console and login console with the "fixed" -commit. - - arch/mips/ar7/platform.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/mips/ar7/platform.c -+++ b/arch/mips/ar7/platform.c -@@ -581,7 +581,7 @@ static int __init ar7_register_uarts(voi - uart_port.type = PORT_AR7; - uart_port.uartclk = clk_get_rate(bus_clk) / 2; - uart_port.iotype = UPIO_MEM32; -- uart_port.flags = UPF_FIXED_TYPE; -+ uart_port.flags = UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF; - uart_port.regshift = 2; - - uart_port.line = 0; |