diff options
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/uhci-hcd.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 10b68a846f65..0deeab6c9e56 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h | |||
@@ -168,12 +168,7 @@ struct uhci_qh { | |||
168 | * We need a special accessor for the element pointer because it is | 168 | * We need a special accessor for the element pointer because it is |
169 | * subject to asynchronous updates by the controller. | 169 | * subject to asynchronous updates by the controller. |
170 | */ | 170 | */ |
171 | static inline __le32 qh_element(struct uhci_qh *qh) { | 171 | #define qh_element(qh) ACCESS_ONCE((qh)->element) |
172 | __le32 element = qh->element; | ||
173 | |||
174 | barrier(); | ||
175 | return element; | ||
176 | } | ||
177 | 172 | ||
178 | #define LINK_TO_QH(qh) (UHCI_PTR_QH | cpu_to_le32((qh)->dma_handle)) | 173 | #define LINK_TO_QH(qh) (UHCI_PTR_QH | cpu_to_le32((qh)->dma_handle)) |
179 | 174 | ||
@@ -263,12 +258,7 @@ struct uhci_td { | |||
263 | * We need a special accessor for the control/status word because it is | 258 | * We need a special accessor for the control/status word because it is |
264 | * subject to asynchronous updates by the controller. | 259 | * subject to asynchronous updates by the controller. |
265 | */ | 260 | */ |
266 | static inline u32 td_status(struct uhci_td *td) { | 261 | #define td_status(td) le32_to_cpu(ACCESS_ONCE((td)->status)) |
267 | __le32 status = td->status; | ||
268 | |||
269 | barrier(); | ||
270 | return le32_to_cpu(status); | ||
271 | } | ||
272 | 262 | ||
273 | #define LINK_TO_TD(td) (cpu_to_le32((td)->dma_handle)) | 263 | #define LINK_TO_TD(td) (cpu_to_le32((td)->dma_handle)) |
274 | 264 | ||