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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 03:07:21 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 03:07:21 +0300
commit42e3a58b028e0e51746f596a11abfec01cd1c5c4 (patch)
treeb2dd1e8730359dc312519bcdaed9c52bae622990 /drivers/usb/gadget/udc/atmel_usba_udc.h
parent4fd48b45ffc4addd3c2963448b05417aa14abbf7 (diff)
parent00fe52deb45b1a5ef42b0aa82e632e2df012eddc (diff)
downloadlinux-42e3a58b028e0e51746f596a11abfec01cd1c5c4.tar.xz
Merge tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver updates from Greg KH: "Here's the big USB (and PHY) driver patchset for 4.1-rc1. Everything here has been in linux-next, and the full details are below in the shortlog. Nothing major, just the normal round of new drivers,api updates, and other changes, mostly in the USB gadget area, as usual" * tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (252 commits) drivers/usb/core: devio.c: Removed an uneeded space before tab usb: dwc2: host: sleep USB_RESUME_TIMEOUT during resume usb: chipidea: debug: add low power mode check before print registers usb: chipidea: udc: bypass pullup DP when gadget connect in OTG fsm mode usb: core: hub: use new USB_RESUME_TIMEOUT usb: isp1760: hcd: use new USB_RESUME_TIMEOUT usb: dwc2: hcd: use new USB_RESUME_TIMEOUT usb: host: sl811: use new USB_RESUME_TIMEOUT usb: host: r8a66597: use new USB_RESUME_TIMEOUT usb: host: oxu210hp: use new USB_RESUME_TIMEOUT usb: host: fusbh200: use new USB_RESUME_TIMEOUT usb: host: fotg210: use new USB_RESUME_TIMEOUT usb: host: isp116x: use new USB_RESUME_TIMEOUT usb: musb: use new USB_RESUME_TIMEOUT usb: host: uhci: use new USB_RESUME_TIMEOUT usb: host: ehci: use new USB_RESUME_TIMEOUT usb: host: xhci: use new USB_RESUME_TIMEOUT usb: define a generic USB_RESUME_TIMEOUT macro usb: musb: dsps: fix build on i386 when COMPILE_TEST is set ehci-hub: use USB_DT_HUB ...
Diffstat (limited to 'drivers/usb/gadget/udc/atmel_usba_udc.h')
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.h b/drivers/usb/gadget/udc/atmel_usba_udc.h
index 497cd18836f3..ea448a344767 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.h
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.h
@@ -191,18 +191,28 @@
| USBA_BF(name, value))
/* Register access macros */
+#ifdef CONFIG_AVR32
+#define usba_io_readl __raw_readl
+#define usba_io_writel __raw_writel
+#define usba_io_writew __raw_writew
+#else
+#define usba_io_readl readl_relaxed
+#define usba_io_writel writel_relaxed
+#define usba_io_writew writew_relaxed
+#endif
+
#define usba_readl(udc, reg) \
- __raw_readl((udc)->regs + USBA_##reg)
+ usba_io_readl((udc)->regs + USBA_##reg)
#define usba_writel(udc, reg, value) \
- __raw_writel((value), (udc)->regs + USBA_##reg)
+ usba_io_writel((value), (udc)->regs + USBA_##reg)
#define usba_ep_readl(ep, reg) \
- __raw_readl((ep)->ep_regs + USBA_EPT_##reg)
+ usba_io_readl((ep)->ep_regs + USBA_EPT_##reg)
#define usba_ep_writel(ep, reg, value) \
- __raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
+ usba_io_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
#define usba_dma_readl(ep, reg) \
- __raw_readl((ep)->dma_regs + USBA_DMA_##reg)
+ usba_io_readl((ep)->dma_regs + USBA_DMA_##reg)
#define usba_dma_writel(ep, reg, value) \
- __raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
+ usba_io_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
/* Calculate base address for a given endpoint or DMA controller */
#define USBA_EPT_BASE(x) (0x100 + (x) * 0x20)
@@ -313,6 +323,9 @@ struct usba_udc {
/* Protect hw registers from concurrent modifications */
spinlock_t lock;
+ /* Mutex to prevent concurrent start or stop */
+ struct mutex vbus_mutex;
+
void __iomem *regs;
void __iomem *fifo;
@@ -328,6 +341,7 @@ struct usba_udc {
struct clk *hclk;
struct usba_ep *usba_ep;
bool bias_pulse_needed;
+ bool clocked;
u16 devstatus;