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Release 4.14 drivers/mmc/host/tmio_mmc.c

Directory: drivers/mmc/host
/*
 * Driver for the MMC / SD / SDIO cell found in:
 *
 * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
 *
 * Copyright (C) 2017 Renesas Electronics Corporation
 * Copyright (C) 2017 Horms Solutions, Simon Horman
 * 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.
 */

#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

PersonTokensPropCommitsCommitProp
Guennadi Liakhovetski4877.42%250.00%
Ulf Hansson1422.58%250.00%
Total62100.00%4100.00%


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

PersonTokensPropCommitsCommitProp
Ian Molton1826.47%111.11%
Philipp Zabel1826.47%222.22%
Guennadi Liakhovetski1420.59%222.22%
Ulf Hansson1420.59%222.22%
Andres Salomon45.88%222.22%
Total68100.00%9100.00%

#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, NULL); 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

PersonTokensPropCommitsCommitProp
Guennadi Liakhovetski7926.78%212.50%
Magnus Damm7324.75%318.75%
Ian Molton6522.03%318.75%
Kuninori Morimoto6421.69%425.00%
Arnd Hannemann82.71%212.50%
Samuel Ortiz41.36%16.25%
Simon Horman20.68%16.25%
Total295100.00%16100.00%


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

PersonTokensPropCommitsCommitProp
Ian Molton3347.83%114.29%
Magnus Damm2739.13%342.86%
Guennadi Liakhovetski57.25%114.29%
Andres Salomon45.80%228.57%
Total69100.00%7100.00%

/* ------------------- 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

PersonTokensPropCommitsCommitProp
Ian Molton17929.54%310.34%
Guennadi Liakhovetski16226.73%413.79%
Magnus Damm10016.50%413.79%
Kuninori Morimoto6410.56%413.79%
Ulf Hansson559.08%310.34%
Philipp Zabel182.97%26.90%
Arnd Hannemann101.65%26.90%
Andres Salomon81.32%26.90%
Samuel Ortiz40.66%13.45%
Simon Horman30.50%26.90%
Axel Lin20.33%13.45%
Rafael J. Wysocki10.17%13.45%
Total606100.00%29100.00%
Directory: drivers/mmc/host
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