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6605b595ed
Manually adjusted before running quilt due to new location in tree: backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch pending-5.15/790-bus-mhi-core-add-SBL-state-callback.patch All other patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Signed-off-by: John Audia <therealgraysky@proton.me>
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
--- a/drivers/tty/serial/8250/8250.h
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+++ b/drivers/tty/serial/8250/8250.h
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@@ -85,6 +85,7 @@ struct serial8250_config {
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#define UART_CAP_MINI BIT(17) /* Mini UART on BCM283X family lacks:
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* STOP PARITY EPAR SPAR WLEN5 WLEN6
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*/
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+#define UART_CAP_NMOD (1 << 18) /* UART doesn't do termios */
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#define UART_BUG_QUOT BIT(0) /* UART has buggy quot LSB */
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#define UART_BUG_TXEN BIT(1) /* UART has buggy TX IIR status */
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--- a/drivers/tty/serial/8250/8250_port.c
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+++ b/drivers/tty/serial/8250/8250_port.c
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@@ -289,7 +289,7 @@ static const struct serial8250_config ua
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.tx_loadsz = 16,
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.fcr = UART_FCR_ENABLE_FIFO |
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UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
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- .flags = UART_CAP_FIFO,
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+ .flags = UART_CAP_FIFO | UART_CAP_NMOD,
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},
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[PORT_NPCM] = {
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.name = "Nuvoton 16550",
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@@ -2766,6 +2766,11 @@ serial8250_do_set_termios(struct uart_po
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unsigned long flags;
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unsigned int baud, quot, frac = 0;
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+ if (up->capabilities & UART_CAP_NMOD) {
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+ termios->c_cflag = 0;
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+ return;
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+ }
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+
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if (up->capabilities & UART_CAP_MINI) {
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termios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CMSPAR);
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if ((termios->c_cflag & CSIZE) == CS5 ||
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