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| author | Andrii Pientsov <andrii.pientsov@globallogic.com> | 2021-11-22 12:32:17 +0200 |
|---|---|---|
| committer | Andrii Pientsov <andrii.pientsov@globallogic.com> | 2021-11-22 12:32:35 +0200 |
| commit | 52a369e5e4819acddbc5b5261133a7ed9e7e0c7d (patch) | |
| tree | ca82d9fd4ece8cfccda58df07e03a09915239d4d /recipes-kernel/linux | |
| parent | ec5e69d8a24345d6a01347df76ea29a4f682fd70 (diff) | |
| download | meta-multitech-atmel-52a369e5e4819acddbc5b5261133a7ed9e7e0c7d.tar.gz meta-multitech-atmel-52a369e5e4819acddbc5b5261133a7ed9e7e0c7d.tar.bz2 meta-multitech-atmel-52a369e5e4819acddbc5b5261133a7ed9e7e0c7d.zip | |
Reserve 5 bit serial for multidrop in Atmel Serial driver. Kernel 5.4.81
Diffstat (limited to 'recipes-kernel/linux')
| -rw-r--r-- | recipes-kernel/linux/linux-at91-5.4.81/mtcdt/linux-5.4-reserve-5-bit-serial-for-multidrop.patch | 31 | ||||
| -rw-r--r-- | recipes-kernel/linux/linux-at91_5.4.81.bb | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-at91-5.4.81/mtcdt/linux-5.4-reserve-5-bit-serial-for-multidrop.patch b/recipes-kernel/linux/linux-at91-5.4.81/mtcdt/linux-5.4-reserve-5-bit-serial-for-multidrop.patch new file mode 100644 index 0000000..33f8ecd --- /dev/null +++ b/recipes-kernel/linux/linux-at91-5.4.81/mtcdt/linux-5.4-reserve-5-bit-serial-for-multidrop.patch @@ -0,0 +1,31 @@ +From 1edc302f56b57512a99d6c21e1ddb85a89d16045 Mon Sep 17 00:00:00 2001 +From: Andrii Pientsov <andrii.pientsov@globallogic.com> +Date: Mon, 22 Nov 2021 12:03:15 +0200 +Subject: [PATCH] [PATCH] linux-5.4-reserve-5-bit-serial-for-multidrop + +--- + drivers/tty/serial/atmel_serial.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c +index ea0215a0f4a4..28d4a92c0d63 100644 +--- a/drivers/tty/serial/atmel_serial.c ++++ b/drivers/tty/serial/atmel_serial.c +@@ -2158,10 +2158,13 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, + + baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16); + ++ mdrop = 0; + /* byte size */ + switch (termios->c_cflag & CSIZE) { + case CS5: +- mode |= ATMEL_US_CHRL_5; ++ mode |= ATMEL_US_PAR_MULTI_DROP; ++ mdrop = ATMEL_US_SENDA; ++ printk(KERN_INFO "termios: Setting Atmel Multi-Drop serial"); + break; + case CS6: + mode |= ATMEL_US_CHRL_6; +-- +2.25.1 + diff --git a/recipes-kernel/linux/linux-at91_5.4.81.bb b/recipes-kernel/linux/linux-at91_5.4.81.bb index 4c9d3c1..f742ed7 100644 --- a/recipes-kernel/linux/linux-at91_5.4.81.bb +++ b/recipes-kernel/linux/linux-at91_5.4.81.bb @@ -49,6 +49,7 @@ COMMON_PATCHES = " \ SRC_URI_append_mtcdt = "\ ${COMMON_PATCHES} \ + file://linux-5.4-reserve-5-bit-serial-for-multidrop.patch \ " SRC_URI_append_mtrv1 = "\ ${COMMON_PATCHES} \ |