diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 2 | ||||
| -rw-r--r-- | drivers/usb/core/devio.c | 2 | ||||
| -rw-r--r-- | drivers/usb/core/sysfs.c | 4 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/gr_udc.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/uhci-hcd.h | 4 | ||||
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 22 |
7 files changed, 24 insertions, 16 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 3e865dbf878c..fbaa2a90d25d 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -483,7 +483,7 @@ static ssize_t wdm_read if (rv < 0) return -ERESTARTSYS; - cntr = ACCESS_ONCE(desc->length); + cntr = READ_ONCE(desc->length); if (cntr == 0) { desc->read = 0; retry: diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e9326f31db8d..4ae667d8c238 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -150,7 +150,7 @@ static int usbfs_increase_memory_usage(u64 amount) { u64 lim; - lim = ACCESS_ONCE(usbfs_memory_mb); + lim = READ_ONCE(usbfs_memory_mb); lim <<= 20; atomic64_add(amount, &usbfs_memory_usage); diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index d930bfda4010..58d59c5f8592 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -973,7 +973,7 @@ static ssize_t interface_show(struct device *dev, struct device_attribute *attr, char *string; intf = to_usb_interface(dev); - string = ACCESS_ONCE(intf->cur_altsetting->string); + string = READ_ONCE(intf->cur_altsetting->string); if (!string) return 0; return sprintf(buf, "%s\n", string); @@ -989,7 +989,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, intf = to_usb_interface(dev); udev = interface_to_usbdev(intf); - alt = ACCESS_ONCE(intf->cur_altsetting); + alt = READ_ONCE(intf->cur_altsetting); return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X" "ic%02Xisc%02Xip%02Xin%02X\n", diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 1f9941145746..0b59fa50aa30 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -1261,7 +1261,7 @@ static int gr_handle_in_ep(struct gr_ep *ep) if (!req->last_desc) return 0; - if (ACCESS_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) + if (READ_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) return 0; /* Not put in hardware buffers yet */ if (gr_read32(&ep->regs->epstat) & (GR_EPSTAT_B1 | GR_EPSTAT_B0)) @@ -1290,7 +1290,7 @@ static int gr_handle_out_ep(struct gr_ep *ep) if (!req->curr_desc) return 0; - ctrl = ACCESS_ONCE(req->curr_desc->ctrl); + ctrl = READ_ONCE(req->curr_desc->ctrl); if (ctrl & GR_DESC_OUT_CTRL_EN) return 0; /* Not received yet */ diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 44924824fa41..c86f89babd57 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -785,7 +785,7 @@ static void io_watchdog_func(unsigned long _ohci) } /* find the last TD processed by the controller. */ - head = hc32_to_cpu(ohci, ACCESS_ONCE(ed->hwHeadP)) & TD_MASK; + head = hc32_to_cpu(ohci, READ_ONCE(ed->hwHeadP)) & TD_MASK; td_start = td; td_next = list_prepare_entry(td, &ed->td_list, td_list); list_for_each_entry_continue(td_next, &ed->td_list, td_list) { diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index d97f0d9b3ce6..f1cc47292a59 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -187,7 +187,7 @@ struct uhci_qh { * We need a special accessor for the element pointer because it is * subject to asynchronous updates by the controller. */ -#define qh_element(qh) ACCESS_ONCE((qh)->element) +#define qh_element(qh) READ_ONCE((qh)->element) #define LINK_TO_QH(uhci, qh) (UHCI_PTR_QH((uhci)) | \ cpu_to_hc32((uhci), (qh)->dma_handle)) @@ -275,7 +275,7 @@ struct uhci_td { * subject to asynchronous updates by the controller. */ #define td_status(uhci, td) hc32_to_cpu((uhci), \ - ACCESS_ONCE((td)->status)) + READ_ONCE((td)->status)) #define LINK_TO_TD(uhci, td) (cpu_to_hc32((uhci), (td)->dma_handle)) diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index b3fc602b2e24..5ad74750e8a4 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -576,11 +576,16 @@ alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) return sg; } -static void sg_timeout(unsigned long _req) +struct sg_timeout { + struct timer_list timer; + struct usb_sg_request *req; +}; + +static void sg_timeout(struct timer_list *t) { - struct usb_sg_request *req = (struct usb_sg_request *) _req; + struct sg_timeout *timeout = from_timer(timeout, t, timer); - usb_sg_cancel(req); + usb_sg_cancel(timeout->req); } static int perform_sglist( @@ -594,9 +599,11 @@ static int perform_sglist( { struct usb_device *udev = testdev_to_usbdev(tdev); int retval = 0; - struct timer_list sg_timer; + struct sg_timeout timeout = { + .req = req, + }; - setup_timer_on_stack(&sg_timer, sg_timeout, (unsigned long) req); + timer_setup_on_stack(&timeout.timer, sg_timeout, 0); while (retval == 0 && iterations-- > 0) { retval = usb_sg_init(req, udev, pipe, @@ -607,13 +614,14 @@ static int perform_sglist( if (retval) break; - mod_timer(&sg_timer, jiffies + + mod_timer(&timeout.timer, jiffies + msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); usb_sg_wait(req); - if (!del_timer_sync(&sg_timer)) + if (!del_timer_sync(&timeout.timer)) retval = -ETIMEDOUT; else retval = req->status; + destroy_timer_on_stack(&timeout.timer); /* FIXME check resulting data pattern */ |