Searched refs:old_lcr (Results 1 – 4 of 4) sorted by relevance
| /linux-6.15/arch/powerpc/kernel/ |
| H A D | udbg_16550.c | 127 u8 old_lcr; in udbg_probe_uart_speed() local
129 old_lcr = udbg_uart_in(UART_LCR); in udbg_probe_uart_speed()
132 udbg_uart_out(UART_LCR, old_lcr | LCR_DLAB); in udbg_probe_uart_speed()
146 udbg_uart_out(UART_LCR, old_lcr); in udbg_probe_uart_speed()
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| /linux-6.15/drivers/tty/serial/8250/ |
| H A D | 8250_exar.c | 1197 u8 old_lcr; in sealevel_rs485_config() local
1209 old_lcr = readb(p + UART_LCR); in sealevel_rs485_config()
1220 writeb(old_lcr | UART_LCR_DLAB, p + UART_LCR); in sealevel_rs485_config()
1227 writeb(old_lcr, p + UART_LCR); in sealevel_rs485_config()
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| H A D | 8250_port.c | 795 unsigned char old_fcr, old_mcr, old_lcr; in size_fifo() local
799 old_lcr = serial_in(up, UART_LCR); in size_fifo()
820 serial_out(up, UART_LCR, old_lcr); in size_fifo()
832 unsigned char old_lcr; in autoconfig_read_divisor_id() local
835 old_lcr = serial_in(p, UART_LCR); in autoconfig_read_divisor_id()
842 serial_out(p, UART_LCR, old_lcr); in autoconfig_read_divisor_id()
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| /linux-6.15/drivers/tty/serial/ |
| H A D | sc16is7xx.c | 338 u8 old_lcr; /* Value before EFR access. */ member
442 one->old_lcr = sc16is7xx_port_read(port, SC16IS7XX_LCR_REG); in sc16is7xx_efr_lock()
459 sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, one->old_lcr); in sc16is7xx_efr_unlock()
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