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authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-07 10:17:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-07 10:17:56 +0200
commitf1615bbe9be4def59c3b3eaddb60722efeed16c2 (patch)
treeca3020e65447576fc1826e819651e6ba072030b5 /arch/mips/alchemy/common/usb.c
parentcfb3c0ab0903abb6ea5215b37eebd9c2a1f057eb (diff)
parentcd3de83f147601356395b57a8673e9c5ff1e59d1 (diff)
Merge tag 'v3.16-rc4' into drm-intel-next-queued
Due to Dave's vacation drm-next hasn't opened yet for 3.17 so I couldn't move my drm-intel-next queue forward yet like I usually do. Just pull in the latest upstream -rc to unblock patch merging - I don't want to needlessly rebase my current patch pile really and void all the testing we've done already. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/mips/alchemy/common/usb.c')
-rw-r--r--arch/mips/alchemy/common/usb.c26
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/mips/alchemy/common/usb.c b/arch/mips/alchemy/common/usb.c
index 2adc7edda49..d193dbea84a 100644
--- a/arch/mips/alchemy/common/usb.c
+++ b/arch/mips/alchemy/common/usb.c
@@ -355,47 +355,25 @@ static inline void __au1200_udc_control(void __iomem *base, int enable)
}
}
-static inline int au1200_coherency_bug(void)
-{
-#if defined(CONFIG_DMA_COHERENT)
- /* Au1200 AB USB does not support coherent memory */
- if (!(read_c0_prid() & PRID_REV_MASK)) {
- printk(KERN_INFO "Au1200 USB: this is chip revision AB !!\n");
- printk(KERN_INFO "Au1200 USB: update your board or re-configure"
- " the kernel\n");
- return -ENODEV;
- }
-#endif
- return 0;
-}
-
static inline int au1200_usb_control(int block, int enable)
{
void __iomem *base =
(void __iomem *)KSEG1ADDR(AU1200_USB_CTL_PHYS_ADDR);
- int ret = 0;
switch (block) {
case ALCHEMY_USB_OHCI0:
- ret = au1200_coherency_bug();
- if (ret && enable)
- goto out;
__au1200_ohci_control(base, enable);
break;
case ALCHEMY_USB_UDC0:
__au1200_udc_control(base, enable);
break;
case ALCHEMY_USB_EHCI0:
- ret = au1200_coherency_bug();
- if (ret && enable)
- goto out;
__au1200_ehci_control(base, enable);
break;
default:
- ret = -ENODEV;
+ return -ENODEV;
}
-out:
- return ret;
+ return 0;
}