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openwrt/target/linux/mediatek/patches-6.12/410-bt-mtk-serial-fix.patch
John Audia b92bab633f kernel: bump 6.12 to 6.12.44
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.44

Removed upstreamed:
  generic-backport/220-v6.16-powerpc-boot-fix-build-with-gcc-15.patch[1]
  imx/patches-6.12/506-pending-PCI-imx6-Remove-apps_reset-toggle-in-_core_reset-function.patch[2]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.44&id=e42ac65e257b875614dd8f435b026a3e379e92e6
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.44&id=90fa5884bc8f52cbf493492e32978c723c85e6ab

Build system: x86/64 (Intel N150 based)
Build-tested: flogic/gl.inet-gl-mt6000, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, x86/64-glibc
Run-tested: flogic/gl.inet-gl-mt6000, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, x86/64-glibc

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/19892
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-08-31 13:07:49 +02:00

33 lines
1.1 KiB
Diff

--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -86,6 +86,7 @@ struct serial8250_config {
* STOP PARITY EPAR SPAR WLEN5 WLEN6
*/
#define UART_CAP_NOTEMT BIT(18) /* UART without interrupt on TEMT available */
+#define UART_CAP_NMOD BIT(19) /* UART doesn't do termios */
#define UART_BUG_QUOT BIT(0) /* UART has buggy quot LSB */
#define UART_BUG_TXEN BIT(1) /* UART has buggy TX IIR status */
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -276,7 +276,7 @@ static const struct serial8250_config ua
.tx_loadsz = 16,
.fcr = UART_FCR_ENABLE_FIFO |
UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
- .flags = UART_CAP_FIFO,
+ .flags = UART_CAP_FIFO | UART_CAP_NMOD,
},
[PORT_NPCM] = {
.name = "Nuvoton 16550",
@@ -2729,6 +2729,11 @@ serial8250_do_set_termios(struct uart_po
unsigned long flags;
unsigned int baud, quot, frac = 0;
+ if (up->capabilities & UART_CAP_NMOD) {
+ termios->c_cflag = 0;
+ return;
+ }
+
if (up->capabilities & UART_CAP_MINI) {
termios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CMSPAR);
if ((termios->c_cflag & CSIZE) == CS5 ||