Release 4.11 drivers/mmc/host/tmio_mmc.c
/*
* linux/drivers/mmc/host/tmio_mmc.c
*
* Copyright (C) 2007 Ian Molton
* Copyright (C) 2004 Ian Molton
*
* 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.
*
* Driver for the MMC / SD / SDIO cell found in:
*
* TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
*/
#include <linux/device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/module.h>
#include <linux/pagemap.h>
#include <linux/scatterlist.h>
#include "tmio_mmc.h"
#ifdef CONFIG_PM_SLEEP
static int tmio_mmc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
const struct mfd_cell *cell = mfd_get_cell(pdev);
int ret;
ret = pm_runtime_force_suspend(dev);
/* Tell MFD core it can disable us now.*/
if (!ret && cell->disable)
cell->disable(pdev);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ian Molton | 23 | 37.10% | 1 | 10.00% |
| Guennadi Liakhovetski | 17 | 27.42% | 3 | 30.00% |
| Ulf Hansson | 14 | 22.58% | 2 | 20.00% |
| Andres Salomon | 6 | 9.68% | 3 | 30.00% |
| Philipp Zabel | 2 | 3.23% | 1 | 10.00% |
| Total | 62 | 100.00% | 10 | 100.00% |
static int tmio_mmc_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
const struct mfd_cell *cell = mfd_get_cell(pdev);
int ret = 0;
/* Tell the MFD core we are ready to be enabled */
if (cell->resume)
ret = cell->resume(pdev);
if (!ret)
ret = pm_runtime_force_resume(dev);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 30 | 44.12% | 2 | 33.33% |
| Philipp Zabel | 17 | 25.00% | 1 | 16.67% |
| Ulf Hansson | 14 | 20.59% | 2 | 33.33% |
| Ian Molton | 7 | 10.29% | 1 | 16.67% |
| Total | 68 | 100.00% | 6 | 100.00% |
#endif
static int tmio_mmc_probe(struct platform_device *pdev)
{
const struct mfd_cell *cell = mfd_get_cell(pdev);
struct tmio_mmc_data *pdata;
struct tmio_mmc_host *host;
struct resource *res;
int ret = -EINVAL, irq;
if (pdev->num_resources != 2)
goto out;
pdata = pdev->dev.platform_data;
if (!pdata || !pdata->hclk)
goto out;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = irq;
goto out;
}
/* Tell the MFD core we are ready to be enabled */
if (cell->enable) {
ret = cell->enable(pdev);
if (ret)
goto out;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -EINVAL;
goto cell_disable;
}
pdata->flags |= TMIO_MMC_HAVE_HIGH_REG;
host = tmio_mmc_host_alloc(pdev);
if (!host)
goto cell_disable;
/* SD control register space size is 0x200, 0x400 for bus_shift=1 */
host->bus_shift = resource_size(res) >> 10;
ret = tmio_mmc_host_probe(host, pdata);
if (ret)
goto host_free;
ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq,
IRQF_TRIGGER_FALLING,
dev_name(&pdev->dev), host);
if (ret)
goto host_remove;
pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
(unsigned long)host->ctl, irq);
return 0;
host_remove:
tmio_mmc_host_remove(host);
host_free:
tmio_mmc_host_free(host);
cell_disable:
if (cell->disable)
cell->disable(pdev);
out:
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 79 | 26.96% | 2 | 13.33% |
| Magnus Damm | 73 | 24.91% | 3 | 20.00% |
| Ian Molton | 65 | 22.18% | 3 | 20.00% |
| Kuninori Morimoto | 64 | 21.84% | 4 | 26.67% |
| Arnd Hannemann | 8 | 2.73% | 2 | 13.33% |
| Samuel Ortiz | 4 | 1.37% | 1 | 6.67% |
| Total | 293 | 100.00% | 15 | 100.00% |
static int tmio_mmc_remove(struct platform_device *pdev)
{
const struct mfd_cell *cell = mfd_get_cell(pdev);
struct mmc_host *mmc = platform_get_drvdata(pdev);
if (mmc) {
struct tmio_mmc_host *host = mmc_priv(mmc);
tmio_mmc_host_remove(host);
if (cell->disable)
cell->disable(pdev);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ian Molton | 33 | 47.83% | 1 | 14.29% |
| Magnus Damm | 27 | 39.13% | 3 | 42.86% |
| Guennadi Liakhovetski | 5 | 7.25% | 1 | 14.29% |
| Andres Salomon | 4 | 5.80% | 2 | 28.57% |
| Total | 69 | 100.00% | 7 | 100.00% |
/* ------------------- device registration ----------------------- */
static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(tmio_mmc_suspend, tmio_mmc_resume)
SET_RUNTIME_PM_OPS(tmio_mmc_host_runtime_suspend,
tmio_mmc_host_runtime_resume,
NULL)
};
static struct platform_driver tmio_mmc_driver = {
.driver = {
.name = "tmio-mmc",
.pm = &tmio_mmc_dev_pm_ops,
},
.probe = tmio_mmc_probe,
.remove = tmio_mmc_remove,
};
module_platform_driver(tmio_mmc_driver);
MODULE_DESCRIPTION("Toshiba TMIO SD/MMC driver");
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:tmio-mmc");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ian Molton | 193 | 31.95% | 3 | 10.71% |
| Guennadi Liakhovetski | 146 | 24.17% | 4 | 14.29% |
| Magnus Damm | 100 | 16.56% | 4 | 14.29% |
| Kuninori Morimoto | 64 | 10.60% | 4 | 14.29% |
| Ulf Hansson | 55 | 9.11% | 3 | 10.71% |
| Philipp Zabel | 19 | 3.15% | 2 | 7.14% |
| Arnd Hannemann | 10 | 1.66% | 2 | 7.14% |
| Andres Salomon | 10 | 1.66% | 3 | 10.71% |
| Samuel Ortiz | 4 | 0.66% | 1 | 3.57% |
| Axel Lin | 2 | 0.33% | 1 | 3.57% |
| Rafael J. Wysocki | 1 | 0.17% | 1 | 3.57% |
| Total | 604 | 100.00% | 28 | 100.00% |
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