Release 4.7 drivers/ide/ide_platform.c
/*
* Platform IDE driver
*
* Copyright (C) 2007 MontaVista Software
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/ata_platform.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
static void plat_ide_setup_ports(struct ide_hw *hw, void __iomem *base,
void __iomem *ctrl,
struct pata_platform_info *pdata, int irq)
{
unsigned long port = (unsigned long)base;
int i;
hw->io_ports.data_addr = port;
port += (1 << pdata->ioport_shift);
for (i = 1; i <= 7;
i++, port += (1 << pdata->ioport_shift))
hw->io_ports_array[i] = port;
hw->io_ports.ctl_addr = (unsigned long)ctrl;
hw->irq = irq;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton vorontsov | anton vorontsov | 92 | 83.64% | 1 | 25.00% |
| bartlomiej zolnierkiewicz | bartlomiej zolnierkiewicz | 18 | 16.36% | 3 | 75.00% |
| Total | 110 | 100.00% | 4 | 100.00% |
static const struct ide_port_info platform_ide_port_info = {
.host_flags = IDE_HFLAG_NO_DMA,
.chipset = ide_generic,
};
static int plat_ide_probe(struct platform_device *pdev)
{
struct resource *res_base, *res_alt, *res_irq;
void __iomem *base, *alt_base;
struct pata_platform_info *pdata;
struct ide_host *host;
int ret = 0, mmio = 0;
struct ide_hw hw, *hws[] = { &hw };
struct ide_port_info d = platform_ide_port_info;
pdata = dev_get_platdata(&pdev->dev);
/* get a pointer to the register memory */
res_base = platform_get_resource(pdev, IORESOURCE_IO, 0);
res_alt = platform_get_resource(pdev, IORESOURCE_IO, 1);
if (!res_base || !res_alt) {
res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
res_alt = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (!res_base || !res_alt) {
ret = -ENOMEM;
goto out;
}
mmio = 1;
}
res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res_irq) {
ret = -EINVAL;
goto out;
}
if (mmio) {
base = devm_ioremap(&pdev->dev,
res_base->start, resource_size(res_base));
alt_base = devm_ioremap(&pdev->dev,
res_alt->start, resource_size(res_alt));
} else {
base = devm_ioport_map(&pdev->dev,
res_base->start, resource_size(res_base));
alt_base = devm_ioport_map(&pdev->dev,
res_alt->start, resource_size(res_alt));
}
memset(&hw, 0, sizeof(hw));
plat_ide_setup_ports(&hw, base, alt_base, pdata, res_irq->start);
hw.dev = &pdev->dev;
d.irq_flags = res_irq->flags & IRQF_TRIGGER_MASK;
if (res_irq->flags & IORESOURCE_IRQ_SHAREABLE)
d.irq_flags |= IRQF_SHARED;
if (mmio)
d.host_flags |= IDE_HFLAG_MMIO;
ret = ide_host_add(&d, hws, 1, &host);
if (ret)
goto out;
platform_set_drvdata(pdev, host);
return 0;
out:
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton vorontsov | anton vorontsov | 227 | 60.53% | 1 | 6.25% |
| bartlomiej zolnierkiewicz | bartlomiej zolnierkiewicz | 108 | 28.80% | 11 | 68.75% |
| thomas gleixner | thomas gleixner | 16 | 4.27% | 1 | 6.25% |
| h hartley sweeten | h hartley sweeten | 12 | 3.20% | 1 | 6.25% |
| yegor yefremov | yegor yefremov | 8 | 2.13% | 1 | 6.25% |
| jingoo han | jingoo han | 4 | 1.07% | 1 | 6.25% |
| Total | 375 | 100.00% | 16 | 100.00% |
static int plat_ide_remove(struct platform_device *pdev)
{
struct ide_host *host = dev_get_drvdata(&pdev->dev);
ide_host_remove(host);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton vorontsov | anton vorontsov | 23 | 71.88% | 1 | 33.33% |
| bartlomiej zolnierkiewicz | bartlomiej zolnierkiewicz | 5 | 15.62% | 1 | 33.33% |
| greg kroah-hartman | greg kroah-hartman | 4 | 12.50% | 1 | 33.33% |
| Total | 32 | 100.00% | 3 | 100.00% |
static struct platform_driver platform_ide_driver = {
.driver = {
.name = "pata_platform",
},
.probe = plat_ide_probe,
.remove = plat_ide_remove,
};
module_platform_driver(platform_ide_driver);
MODULE_DESCRIPTION("Platform IDE driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pata_platform");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton vorontsov | anton vorontsov | 410 | 66.88% | 1 | 4.55% |
| bartlomiej zolnierkiewicz | bartlomiej zolnierkiewicz | 149 | 24.31% | 13 | 59.09% |
| thomas gleixner | thomas gleixner | 19 | 3.10% | 1 | 4.55% |
| h hartley sweeten | h hartley sweeten | 12 | 1.96% | 1 | 4.55% |
| yegor yefremov | yegor yefremov | 8 | 1.31% | 1 | 4.55% |
| kay sievers | kay sievers | 5 | 0.82% | 1 | 4.55% |
| greg kroah-hartman | greg kroah-hartman | 4 | 0.65% | 1 | 4.55% |
| jingoo han | jingoo han | 4 | 0.65% | 1 | 4.55% |
| christoph jaeger | christoph jaeger | 1 | 0.16% | 1 | 4.55% |
| jeff garzik | jeff garzik | 1 | 0.16% | 1 | 4.55% |
| Total | 613 | 100.00% | 22 | 100.00% |
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