diff options
author | Takashi Iwai <tiwai@suse.de> | 2012-08-20 21:26:04 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2012-08-20 21:26:04 +0200 |
commit | f0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch) | |
tree | d4bfd9489cf4a96a55d83af20919f477a846d585 /drivers/usb/host/ohci-exynos.c | |
parent | fa2f5bf09610d3c216d4c74855edbe00d636467c (diff) | |
parent | 28c42c28309244d0b15d1b385e33429d59997679 (diff) |
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6
A batch more bugfixes, all driver-specific and fairly small and
unremarkable in a global context. The biggest batch are for the newly
added Arizona drivers.
Diffstat (limited to 'drivers/usb/host/ohci-exynos.c')
-rw-r--r-- | drivers/usb/host/ohci-exynos.c | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 2909621ea19..fc3091bd237 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -12,6 +12,7 @@ */ #include <linux/clk.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <mach/ohci.h> #include <plat/usb-phy.h> @@ -71,6 +72,8 @@ static const struct hc_driver exynos_ohci_hc_driver = { .start_port_reset = ohci_start_port_reset, }; +static u64 ohci_exynos_dma_mask = DMA_BIT_MASK(32); + static int __devinit exynos_ohci_probe(struct platform_device *pdev) { struct exynos4_ohci_platdata *pdata; @@ -87,7 +90,18 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) return -EINVAL; } - exynos_ohci = kzalloc(sizeof(struct exynos_ohci_hcd), GFP_KERNEL); + /* + * Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we move to full device tree support this will vanish off. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &ohci_exynos_dma_mask; + if (!pdev->dev.coherent_dma_mask) + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + + exynos_ohci = devm_kzalloc(&pdev->dev, sizeof(struct exynos_ohci_hcd), + GFP_KERNEL); if (!exynos_ohci) return -ENOMEM; @@ -97,8 +111,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) dev_name(&pdev->dev)); if (!hcd) { dev_err(&pdev->dev, "Unable to create HCD\n"); - err = -ENOMEM; - goto fail_hcd; + return -ENOMEM; } exynos_ohci->hcd = hcd; @@ -123,7 +136,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); - hcd->regs = ioremap(res->start, resource_size(res)); + hcd->regs = devm_ioremap(&pdev->dev, res->start, hcd->rsrc_len); if (!hcd->regs) { dev_err(&pdev->dev, "Failed to remap I/O memory\n"); err = -ENOMEM; @@ -134,7 +147,7 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) if (!irq) { dev_err(&pdev->dev, "Failed to get IRQ\n"); err = -ENODEV; - goto fail; + goto fail_io; } if (pdata->phy_init) @@ -146,23 +159,19 @@ static int __devinit exynos_ohci_probe(struct platform_device *pdev) err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) { dev_err(&pdev->dev, "Failed to add USB HCD\n"); - goto fail; + goto fail_io; } platform_set_drvdata(pdev, exynos_ohci); return 0; -fail: - iounmap(hcd->regs); fail_io: clk_disable(exynos_ohci->clk); fail_clken: clk_put(exynos_ohci->clk); fail_clk: usb_put_hcd(hcd); -fail_hcd: - kfree(exynos_ohci); return err; } @@ -177,13 +186,10 @@ static int __devexit exynos_ohci_remove(struct platform_device *pdev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); - iounmap(hcd->regs); - clk_disable(exynos_ohci->clk); clk_put(exynos_ohci->clk); usb_put_hcd(hcd); - kfree(exynos_ohci); return 0; } @@ -225,6 +231,9 @@ static int exynos_ohci_suspend(struct device *dev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); + + clk_disable(exynos_ohci->clk); + fail: spin_unlock_irqrestore(&ohci->lock, flags); @@ -238,6 +247,8 @@ static int exynos_ohci_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; + clk_enable(exynos_ohci->clk); + if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); @@ -258,6 +269,14 @@ static const struct dev_pm_ops exynos_ohci_pm_ops = { .resume = exynos_ohci_resume, }; +#ifdef CONFIG_OF +static const struct of_device_id exynos_ohci_match[] = { + { .compatible = "samsung,exynos-ohci" }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_ohci_match); +#endif + static struct platform_driver exynos_ohci_driver = { .probe = exynos_ohci_probe, .remove = __devexit_p(exynos_ohci_remove), @@ -266,6 +285,7 @@ static struct platform_driver exynos_ohci_driver = { .name = "exynos-ohci", .owner = THIS_MODULE, .pm = &exynos_ohci_pm_ops, + .of_match_table = of_match_ptr(exynos_ohci_match), } }; |