93 lines
3.9 KiB
Diff
93 lines
3.9 KiB
Diff
this reverts drivers/tty/serial/8250/8250_mtk.c back to the v5.17 version
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as otherwise it breaks bluetooth on mt8183 kukui devices
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diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
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index 54051ec7b499..fb65dc601b23 100644
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--- a/drivers/tty/serial/8250/8250_mtk.c
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+++ b/drivers/tty/serial/8250/8250_mtk.c
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@@ -37,7 +37,6 @@
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#define MTK_UART_IER_RTSI 0x40 /* Enable RTS Modem status interrupt */
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#define MTK_UART_IER_CTSI 0x80 /* Enable CTS Modem status interrupt */
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-#define MTK_UART_EFR 38 /* I/O: Extended Features Register */
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#define MTK_UART_EFR_EN 0x10 /* Enable enhancement feature */
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#define MTK_UART_EFR_RTS 0x40 /* Enable hardware rx flow control */
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#define MTK_UART_EFR_CTS 0x80 /* Enable hardware tx flow control */
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@@ -54,9 +53,6 @@
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#define MTK_UART_TX_TRIGGER 1
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#define MTK_UART_RX_TRIGGER MTK_UART_RX_SIZE
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-#define MTK_UART_XON1 40 /* I/O: Xon character 1 */
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-#define MTK_UART_XOFF1 42 /* I/O: Xoff character 1 */
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-
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#ifdef CONFIG_SERIAL_8250_DMA
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enum dma_rx_status {
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DMA_RX_START = 0,
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@@ -173,7 +169,7 @@ static void mtk8250_dma_enable(struct uart_8250_port *up)
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MTK_UART_DMA_EN_RX | MTK_UART_DMA_EN_TX);
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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- serial_out(up, MTK_UART_EFR, UART_EFR_ECB);
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+ serial_out(up, UART_EFR, UART_EFR_ECB);
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serial_out(up, UART_LCR, lcr);
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if (dmaengine_slave_config(dma->rxchan, &dma->rxconf) != 0)
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@@ -236,7 +232,7 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
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int lcr = serial_in(up, UART_LCR);
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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- serial_out(up, MTK_UART_EFR, UART_EFR_ECB);
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+ serial_out(up, UART_EFR, UART_EFR_ECB);
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serial_out(up, UART_LCR, lcr);
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lcr = serial_in(up, UART_LCR);
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@@ -245,7 +241,7 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
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serial_out(up, MTK_UART_ESCAPE_DAT, MTK_UART_ESCAPE_CHAR);
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serial_out(up, MTK_UART_ESCAPE_EN, 0x00);
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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- serial_out(up, MTK_UART_EFR, serial_in(up, MTK_UART_EFR) &
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+ serial_out(up, UART_EFR, serial_in(up, UART_EFR) &
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(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK)));
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serial_out(up, UART_LCR, lcr);
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mtk8250_disable_intrs(up, MTK_UART_IER_XOFFI |
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@@ -259,8 +255,8 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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/*enable hw flow control*/
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- serial_out(up, MTK_UART_EFR, MTK_UART_EFR_HW_FC |
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- (serial_in(up, MTK_UART_EFR) &
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+ serial_out(up, UART_EFR, MTK_UART_EFR_HW_FC |
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+ (serial_in(up, UART_EFR) &
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(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK))));
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serial_out(up, UART_LCR, lcr);
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@@ -274,12 +270,12 @@ static void mtk8250_set_flow_ctrl(struct uart_8250_port *up, int mode)
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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/*enable sw flow control */
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- serial_out(up, MTK_UART_EFR, MTK_UART_EFR_XON1_XOFF1 |
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- (serial_in(up, MTK_UART_EFR) &
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+ serial_out(up, UART_EFR, MTK_UART_EFR_XON1_XOFF1 |
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+ (serial_in(up, UART_EFR) &
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(~(MTK_UART_EFR_HW_FC | MTK_UART_EFR_SW_FC_MASK))));
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- serial_out(up, MTK_UART_XON1, START_CHAR(port->state->port.tty));
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- serial_out(up, MTK_UART_XOFF1, STOP_CHAR(port->state->port.tty));
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+ serial_out(up, UART_XON1, START_CHAR(port->state->port.tty));
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+ serial_out(up, UART_XOFF1, STOP_CHAR(port->state->port.tty));
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serial_out(up, UART_LCR, lcr);
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mtk8250_disable_intrs(up, MTK_UART_IER_CTSI|MTK_UART_IER_RTSI);
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mtk8250_enable_intrs(up, MTK_UART_IER_XOFFI);
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@@ -293,10 +289,10 @@ static void
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mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
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struct ktermios *old)
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{
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- static const unsigned short fraction_L_mapping[] = {
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+ unsigned short fraction_L_mapping[] = {
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0, 1, 0x5, 0x15, 0x55, 0x57, 0x57, 0x77, 0x7F, 0xFF, 0xFF
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};
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- static const unsigned short fraction_M_mapping[] = {
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+ unsigned short fraction_M_mapping[] = {
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 3
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};
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struct uart_8250_port *up = up_to_u8250p(port);
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