From mboxrd@z Thu Jan 1 00:00:00 1970 From: linus.walleij@linaro.org (Linus Walleij) Date: Fri, 21 Apr 2017 22:40:55 +0200 Subject: [PATCH 2/5 v3] usb: host: fotg2: add device tree probing In-Reply-To: <20170421204058.6206-1-linus.walleij@linaro.org> References: <20170421204058.6206-1-linus.walleij@linaro.org> Message-ID: <20170421204058.6206-2-linus.walleij@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Hans Ulli Kroll Add device tree probing to the fotg2 driver. Signed-off-by: Hans Ulli Kroll Signed-off-by: Linus Walleij --- ChangeLog v2->v3: - Change compatible to "faraday,fotg210" simply. --- drivers/usb/host/fotg210-hcd.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 1c5b34b74860..c226041101d1 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -23,6 +23,7 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include +#include #include #include #include @@ -5600,6 +5601,15 @@ static int fotg210_hcd_probe(struct platform_device *pdev) if (usb_disabled()) return -ENODEV; + /* 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. + */ + + retval = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (retval) + goto fail_create_hcd; + pdev->dev.power.power_state = PMSG_ON; res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -5676,9 +5686,18 @@ static int fotg210_hcd_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id fotg210_of_match[] = { + { .compatible = "faraday,fotg210" }, + {}, +}; +MODULE_DEVICE_TABLE(of, fotg210_of_match); +#endif + static struct platform_driver fotg210_hcd_driver = { .driver = { .name = "fotg210-hcd", + .of_match_table = of_match_ptr(fotg210_of_match), }, .probe = fotg210_hcd_probe, .remove = fotg210_hcd_remove, -- 2.9.3