diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/usb/host/ehci-atmel.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/ehci-atmel.c')
| -rw-r--r-- | drivers/usb/host/ehci-atmel.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index a5a3ef1f009..cf14c95a670 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -13,6 +13,8 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_platform.h> /* interface and function clocks */ static struct clk *iclk, *fclk; @@ -115,6 +117,8 @@ static const struct hc_driver ehci_atmel_hc_driver = { .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; +static u64 at91_ehci_dma_mask = DMA_BIT_MASK(32); + static int __devinit ehci_atmel_drv_probe(struct platform_device *pdev) { struct usb_hcd *hcd; @@ -137,6 +141,13 @@ static int __devinit ehci_atmel_drv_probe(struct platform_device *pdev) goto fail_create_hcd; } + /* 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 have dma capability bindings this can go away. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &at91_ehci_dma_mask; + hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { retval = -ENOMEM; @@ -225,9 +236,21 @@ static int __devexit ehci_atmel_drv_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id atmel_ehci_dt_ids[] = { + { .compatible = "atmel,at91sam9g45-ehci" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, atmel_ehci_dt_ids); +#endif + static struct platform_driver ehci_atmel_driver = { .probe = ehci_atmel_drv_probe, .remove = __devexit_p(ehci_atmel_drv_remove), .shutdown = usb_hcd_platform_shutdown, - .driver.name = "atmel-ehci", + .driver = { + .name = "atmel-ehci", + .of_match_table = of_match_ptr(atmel_ehci_dt_ids), + }, }; |