From: jeremy.linton@arm.com (Jeremy Linton)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] Display a DMA error message
Date: Wed, 12 Aug 2015 16:51:29 -0500 [thread overview]
Message-ID: <1439416290-21228-3-git-send-email-jeremy.linton@arm.com> (raw)
In-Reply-To: <1439416290-21228-1-git-send-email-jeremy.linton@arm.com>
If the ehci driver fails to configure the dma settings then display
a dev error instead of simply failing. This is triggered in an
ACPI world if the user fails to set the _CCA on the device.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
---
drivers/usb/host/ehci-platform.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 2593def..82e396f 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -162,8 +162,10 @@ static int ehci_platform_probe(struct platform_device *dev)
err = dma_coerce_mask_and_coherent(&dev->dev,
pdata->dma_mask_64 ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
- if (err)
+ if (err) {
+ dev_err(&dev->dev, "Error: DMA setup failed\n");
return err;
+ }
irq = platform_get_irq(dev, 0);
if (irq < 0) {
--
2.4.3
next prev parent reply other threads:[~2015-08-12 21:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 21:51 [PATCH 0/3] Enable EHCI-platform driver for use with ACPI Jeremy Linton
2015-08-12 21:51 ` [PATCH 1/3] Honor ACPI _CCA attribute setting Jeremy Linton
2015-08-14 1:45 ` Suravee Suthikulpanit
2015-08-14 13:14 ` Catalin Marinas
2015-08-14 14:12 ` Jeremy Linton
2015-08-18 3:36 ` Huang Shijie
2015-08-12 21:51 ` Jeremy Linton [this message]
2015-08-13 11:02 ` [PATCH 2/3] Display a DMA error message Hanjun Guo
2015-08-13 14:52 ` Alan Stern
2015-08-14 21:19 ` Arnd Bergmann
2015-08-14 21:44 ` Jeremy Linton
2015-08-14 21:56 ` Arnd Bergmann
2015-08-12 21:51 ` [PATCH 3/3] Add ACPI bindings for the EHCI platform driver Jeremy Linton
2015-08-13 11:50 ` Hanjun Guo
2015-08-13 14:45 ` Jeremy Linton
2015-08-13 14:53 ` Alan Stern
2015-08-13 15:13 ` Jeremy Linton
2015-08-18 3:35 ` Huang Shijie
2015-08-13 9:44 ` [PATCH 0/3] Enable EHCI-platform driver for use with ACPI Graeme Gregory
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