Release 4.12 drivers/ata/pata_of_platform.c
/*
* OF-platform PATA driver
*
* Copyright (c) 2007 MontaVista Software, Inc.
* Anton Vorontsov <avorontsov@ru.mvista.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/libata.h>
#define DRV_NAME "pata_of_platform"
static struct scsi_host_template pata_platform_sht = {
ATA_PIO_SHT(DRV_NAME),
};
static int pata_of_platform_probe(struct platform_device *ofdev)
{
int ret;
struct device_node *dn = ofdev->dev.of_node;
struct resource io_res;
struct resource ctl_res;
struct resource *irq_res;
unsigned int reg_shift = 0;
int pio_mode = 0;
int pio_mask;
ret = of_address_to_resource(dn, 0, &io_res);
if (ret) {
dev_err(&ofdev->dev, "can't get IO address from "
"device tree\n");
return -EINVAL;
}
ret = of_address_to_resource(dn, 1, &ctl_res);
if (ret) {
dev_err(&ofdev->dev, "can't get CTL address from "
"device tree\n");
return -EINVAL;
}
irq_res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
of_property_read_u32(dn, "reg-shift", ®_shift);
if (!of_property_read_u32(dn, "pio-mode", &pio_mode)) {
if (pio_mode > 6) {
dev_err(&ofdev->dev, "invalid pio-mode\n");
return -EINVAL;
}
} else {
dev_info(&ofdev->dev, "pio-mode unspecified, assuming PIO0\n");
}
pio_mask = 1 << pio_mode;
pio_mask |= (1 << pio_mode) - 1;
return __pata_platform_probe(&ofdev->dev, &io_res, &ctl_res, irq_res,
reg_shift, pio_mask, &pata_platform_sht);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Anton Vorontsov | 209 | 91.27% | 1 | 16.67% |
| Kefeng Wang | 7 | 3.06% | 1 | 16.67% |
| Rob Herring | 6 | 2.62% | 1 | 16.67% |
| Grant C. Likely | 4 | 1.75% | 2 | 33.33% |
| Akinobu Mita | 3 | 1.31% | 1 | 16.67% |
| Total | 229 | 100.00% | 6 | 100.00% |
static const struct of_device_id pata_of_platform_match[] = {
{ .compatible = "ata-generic", },
{ },
};
MODULE_DEVICE_TABLE(of, pata_of_platform_match);
static struct platform_driver pata_of_platform_driver = {
.driver = {
.name = DRV_NAME,
.of_match_table = pata_of_platform_match,
},
.probe = pata_of_platform_probe,
.remove = ata_platform_remove_one,
};
module_platform_driver(pata_of_platform_driver);
MODULE_DESCRIPTION("OF-platform PATA driver");
MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Anton Vorontsov | 285 | 83.58% | 1 | 6.67% |
| Akinobu Mita | 20 | 5.87% | 1 | 6.67% |
| Grant C. Likely | 11 | 3.23% | 4 | 26.67% |
| Kefeng Wang | 7 | 2.05% | 1 | 6.67% |
| Rob Herring | 7 | 2.05% | 1 | 6.67% |
| Brian Norris | 4 | 1.17% | 2 | 13.33% |
| Pawel Moll | 3 | 0.88% | 1 | 6.67% |
| Jeff Garzik | 1 | 0.29% | 1 | 6.67% |
| Alexander Shiyan | 1 | 0.29% | 1 | 6.67% |
| Bhumika Goyal | 1 | 0.29% | 1 | 6.67% |
| Axel Lin | 1 | 0.29% | 1 | 6.67% |
| Total | 341 | 100.00% | 15 | 100.00% |
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