cregit-Linux how code gets into the kernel

Release 4.11 drivers/ide/ide_platform.c

Directory: drivers/ide
/*
 * 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

PersonTokensPropCommitsCommitProp
Anton Vorontsov9283.64%125.00%
Bartlomiej Zolnierkiewicz1816.36%375.00%
Total110100.00%4100.00%

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

PersonTokensPropCommitsCommitProp
Anton Vorontsov22760.53%16.25%
Bartlomiej Zolnierkiewicz10828.80%1168.75%
Thomas Gleixner164.27%16.25%
H Hartley Sweeten123.20%16.25%
Yegor Yefremov82.13%16.25%
Jingoo Han41.07%16.25%
Total375100.00%16100.00%


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

PersonTokensPropCommitsCommitProp
Anton Vorontsov2371.88%133.33%
Bartlomiej Zolnierkiewicz515.62%133.33%
Greg Kroah-Hartman412.50%133.33%
Total32100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
Anton Vorontsov41066.88%14.55%
Bartlomiej Zolnierkiewicz14924.31%1359.09%
Thomas Gleixner193.10%14.55%
H Hartley Sweeten121.96%14.55%
Yegor Yefremov81.31%14.55%
Kay Sievers50.82%14.55%
Greg Kroah-Hartman40.65%14.55%
Jingoo Han40.65%14.55%
Jeff Garzik10.16%14.55%
Christoph Jaeger10.16%14.55%
Total613100.00%22100.00%
Directory: drivers/ide
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