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[ARM] 4971/1: pxaficp_ir: provide startup and shutdown hooks
Let platform do some specific initialisation and cleanup things during pxaficp_ir probing and removing. E.g. this can be usefull to request/free gpios used by the platform to control the transceiver. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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2 changed files with 12 additions and 0 deletions
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@ -832,6 +832,11 @@ static int pxa_irda_probe(struct platform_device *pdev)
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if (err)
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goto err_mem_5;
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if (si->pdata->startup)
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err = si->pdata->startup(si->dev);
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if (err)
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goto err_startup;
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dev->hard_start_xmit = pxa_irda_hard_xmit;
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dev->open = pxa_irda_start;
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dev->stop = pxa_irda_stop;
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@ -857,6 +862,9 @@ static int pxa_irda_probe(struct platform_device *pdev)
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dev_set_drvdata(&pdev->dev, dev);
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if (err) {
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if (si->pdata->shutdown)
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si->pdata->shutdown(si->dev);
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err_startup:
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kfree(si->tx_buff.head);
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err_mem_5:
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kfree(si->rx_buff.head);
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@ -882,6 +890,8 @@ static int pxa_irda_remove(struct platform_device *_dev)
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if (dev) {
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struct pxa_irda *si = netdev_priv(dev);
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unregister_netdev(dev);
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if (si->pdata->shutdown)
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si->pdata->shutdown(si->dev);
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kfree(si->tx_buff.head);
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kfree(si->rx_buff.head);
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clk_put(si->fir_clk);
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@ -10,6 +10,8 @@
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struct pxaficp_platform_data {
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int transceiver_cap;
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void (*transceiver_mode)(struct device *dev, int mode);
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int (*startup)(struct device *dev);
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void (*shutdown)(struct device *dev);
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};
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extern void pxa_set_ficp_info(struct pxaficp_platform_data *info);
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