cregit-Linux how code gets into the kernel

Release 4.11 drivers/pcmcia/sa1100_simpad.c

Directory: drivers/pcmcia
/*
 * drivers/pcmcia/sa1100_simpad.c
 *
 * PCMCIA implementation routines for simpad
 *
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <mach/simpad.h>
#include "sa1100_generic.h"
 

static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD; skt->stat[SOC_STAT_CD].name = "CF_CD"; skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ; skt->stat[SOC_STAT_RDY].name = "CF_RDY"; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Russell King4666.67%450.00%
Linus Torvalds2130.43%225.00%
Nico Pitre11.45%112.50%
Jochen Friedrich11.45%112.50%
Total69100.00%8100.00%


static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { /* Disable CF bus: */ /*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/ simpad_clear_cs3_bit(PCMCIA_RESET); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds1055.56%125.00%
Russell King527.78%125.00%
Jochen Friedrich211.11%125.00%
Nico Pitre15.56%125.00%
Total18100.00%4100.00%


static void simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { long cs3reg = simpad_get_cs3_ro(); /* the detect signal is inverted - fix that up here */ state->detect = !state->detect; state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */ state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */ if ((cs3reg & (PCMCIA_VS1|PCMCIA_VS2)) == (PCMCIA_VS1|PCMCIA_VS2)) { state->vs_3v=0; state->vs_Xv=0; } else { state->vs_3v=1; state->vs_Xv=0; } }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds6064.52%225.00%
Russell King1819.35%337.50%
Jochen Friedrich1313.98%112.50%
Nico Pitre11.08%112.50%
Holger Hans Peter Freyther11.08%112.50%
Total93100.00%8100.00%


static int simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { unsigned long flags; local_irq_save(flags); /* Murphy: see table of MIC2562a-1 */ switch (state->Vcc) { case 0: simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); break; case 33: simpad_clear_cs3_bit(VCC_3V_EN|EN1); simpad_set_cs3_bit(VCC_5V_EN|EN0); break; case 50: simpad_clear_cs3_bit(VCC_5V_EN|EN1); simpad_set_cs3_bit(VCC_3V_EN|EN0); break; default: printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __func__, state->Vcc); simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); local_irq_restore(flags); return -1; } local_irq_restore(flags); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds10381.75%222.22%
Russell King1310.32%333.33%
Jochen Friedrich64.76%111.11%
Holger Hans Peter Freyther21.59%111.11%
Nico Pitre10.79%111.11%
Harvey Harrison10.79%111.11%
Total126100.00%9100.00%


static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { simpad_set_cs3_bit(PCMCIA_RESET); }

Contributors

PersonTokensPropCommitsCommitProp
Russell King1062.50%240.00%
Holger Hans Peter Freyther425.00%120.00%
Jochen Friedrich16.25%120.00%
Nico Pitre16.25%120.00%
Total16100.00%5100.00%

static struct pcmcia_low_level simpad_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = simpad_pcmcia_hw_init, .hw_shutdown = simpad_pcmcia_hw_shutdown, .socket_state = simpad_pcmcia_socket_state, .configure_socket = simpad_pcmcia_configure_socket, .socket_suspend = simpad_pcmcia_socket_suspend, };
int pcmcia_simpad_init(struct device *dev) { int ret = -ENODEV; if (machine_is_simpad()) ret = sa11xx_drv_pcmcia_probe(dev, &simpad_pcmcia_ops, 1, 1); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Russell King38100.00%3100.00%
Total38100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds21650.82%211.11%
Russell King17140.24%1161.11%
Jochen Friedrich235.41%15.56%
Holger Hans Peter Freyther92.12%211.11%
Nico Pitre51.18%15.56%
Harvey Harrison10.24%15.56%
Total425100.00%18100.00%
Directory: drivers/pcmcia
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