cregit-Linux how code gets into the kernel

Release 4.14 arch/sh/kernel/cpu/sh3/serial-sh7720.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/serial_sci.h>
#include <linux/serial_core.h>
#include <linux/io.h>
#include <cpu/serial.h>
#include <cpu/gpio.h>


static void sh7720_sci_init_pins(struct uart_port *port, unsigned int cflag) { unsigned short data; if (cflag & CRTSCTS) { /* enable RTS/CTS */ if (port->mapbase == 0xa4430000) { /* SCIF0 */ /* Clear PTCR bit 9-2; enable all scif pins but sck */ data = __raw_readw(PORT_PTCR); __raw_writew((data & 0xfc03), PORT_PTCR); } else if (port->mapbase == 0xa4438000) { /* SCIF1 */ /* Clear PVCR bit 9-2 */ data = __raw_readw(PORT_PVCR); __raw_writew((data & 0xfc03), PORT_PVCR); } } else { if (port->mapbase == 0xa4430000) { /* SCIF0 */ /* Clear PTCR bit 5-2; enable only tx and rx */ data = __raw_readw(PORT_PTCR); __raw_writew((data & 0xffc3), PORT_PTCR); } else if (port->mapbase == 0xa4438000) { /* SCIF1 */ /* Clear PVCR bit 5-2 */ data = __raw_readw(PORT_PVCR); __raw_writew((data & 0xffc3), PORT_PVCR); } } }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt153100.00%1100.00%
Total153100.00%1100.00%

struct plat_sci_port_ops sh7720_sci_port_ops = { .init_pins = sh7720_sci_init_pins, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt17999.44%375.00%
Greg Kroah-Hartman10.56%125.00%
Total180100.00%4100.00%
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