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1a15a8cdb9
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56 Removed upstreamed: bcm53xx/patches-6.1/032-v6.6-0008-ARM-dts-BCM5301X-Extend-RAM-to-full-256MB-for-Linksy.patch[1] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.56&id=226590fbd96717fce218878044df3568c825ba8e Build system: x86/64 Build-tested: x86/64/AMD Cezanne, filogic/xiaomi_redmi-router-ax6000-ubootmod Run-tested: x86/64/AMD Cezanne, 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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@@ -86,6 +86,7 @@ struct serial8250_config {
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* STOP PARITY EPAR SPAR WLEN5 WLEN6
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*/
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#define UART_CAP_NOTEMT BIT(18) /* UART without interrupt on TEMT available */
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+#define UART_CAP_NMOD BIT(19) /* 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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@@ -287,7 +287,7 @@ 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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@@ -2773,6 +2773,11 @@ 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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