mmc: sdhi: add OF support, make platform data optional
Add primitive support for OF to the SDHI TMIO glue, which also makes it necessary to be able to run without platform data. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
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3071cafb7f
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@ -21,6 +21,7 @@
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#include <linux/kernel.h>
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#include <linux/clk.h>
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#include <linux/slab.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/mmc/host.h>
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@ -133,12 +134,14 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
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}
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mmc_data = &priv->mmc_data;
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p->pdata = mmc_data;
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if (p->init) {
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ret = p->init(pdev, &sdhi_ops);
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if (ret)
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goto einit;
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if (p) {
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p->pdata = mmc_data;
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if (p->init) {
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ret = p->init(pdev, &sdhi_ops);
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if (ret)
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goto einit;
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}
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}
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snprintf(clk_name, sizeof(clk_name), "sdhi%d", pdev->id);
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@ -149,10 +152,6 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
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goto eclkget;
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}
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if (p->set_pwr)
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mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
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if (p->get_cd)
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mmc_data->get_cd = sh_mobile_sdhi_get_cd;
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mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
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mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
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mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
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@ -164,6 +163,10 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
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mmc_data->capabilities |= p->tmio_caps;
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mmc_data->capabilities2 |= p->tmio_caps2;
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mmc_data->cd_gpio = p->cd_gpio;
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if (p->set_pwr)
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mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
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if (p->get_cd)
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mmc_data->get_cd = sh_mobile_sdhi_get_cd;
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if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
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priv->param_tx.slave_id = p->dma_slave_tx;
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@ -269,7 +272,7 @@ eirq_card_detect:
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eprobe:
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clk_put(priv->clk);
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eclkget:
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if (p->cleanup)
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if (p && p->cleanup)
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p->cleanup(pdev);
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einit:
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kfree(priv);
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@ -284,7 +287,8 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
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struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
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int i = 0, irq;
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p->pdata = NULL;
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if (p)
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p->pdata = NULL;
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tmio_mmc_host_remove(host);
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@ -297,7 +301,7 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
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clk_put(priv->clk);
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if (p->cleanup)
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if (p && p->cleanup)
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p->cleanup(pdev);
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kfree(priv);
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@ -312,11 +316,18 @@ static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
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.runtime_resume = tmio_mmc_host_runtime_resume,
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};
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static const struct of_device_id sh_mobile_sdhi_of_match[] = {
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{ .compatible = "renesas,shmobile-sdhi" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
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static struct platform_driver sh_mobile_sdhi_driver = {
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.driver = {
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.name = "sh_mobile_sdhi",
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.owner = THIS_MODULE,
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.pm = &tmio_mmc_dev_pm_ops,
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.of_match_table = sh_mobile_sdhi_of_match,
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},
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.probe = sh_mobile_sdhi_probe,
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.remove = __devexit_p(sh_mobile_sdhi_remove),
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