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https://github.com/openwrt/openwrt.git
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b299002877
Refreshed patches, removed upstreamed patches: oxnas: 003-ARM-dts-oxnas-Fix-clear-mask-property.patch generic: 184-USB-serial-option-add-Wistron-Neweb-D19Q1.patch Run tested: apu2, qemu-x86-64, apalis Build tested: sunxi/a53, imx6, x86/64, ipq40xx Tested-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> [apu2] Signed-off-by: Petr Štetiar <ynezz@true.cz>
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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@@ -82,6 +82,7 @@ struct serial8250_config {
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#define UART_CAP_MINI (1 << 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 (1 << 0) /* UART has buggy quot LSB */
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#define UART_BUG_TXEN (1 << 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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@@ -290,7 +290,7 @@ 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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@@ -2559,6 +2559,11 @@ 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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