diff options
Diffstat (limited to 'drivers/dma/iovlock.c')
-rw-r--r-- | drivers/dma/iovlock.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/dma/iovlock.c b/drivers/dma/iovlock.c index d637555a833b..e763d723e4cf 100644 --- a/drivers/dma/iovlock.c +++ b/drivers/dma/iovlock.c | |||
@@ -143,29 +143,6 @@ void dma_unpin_iovec_pages(struct dma_pinned_list *pinned_list) | |||
143 | kfree(pinned_list); | 143 | kfree(pinned_list); |
144 | } | 144 | } |
145 | 145 | ||
146 | static dma_cookie_t dma_memcpy_to_kernel_iovec(struct dma_chan *chan, struct | ||
147 | iovec *iov, unsigned char *kdata, size_t len) | ||
148 | { | ||
149 | dma_cookie_t dma_cookie = 0; | ||
150 | |||
151 | while (len > 0) { | ||
152 | if (iov->iov_len) { | ||
153 | int copy = min_t(unsigned int, iov->iov_len, len); | ||
154 | dma_cookie = dma_async_memcpy_buf_to_buf( | ||
155 | chan, | ||
156 | iov->iov_base, | ||
157 | kdata, | ||
158 | copy); | ||
159 | kdata += copy; | ||
160 | len -= copy; | ||
161 | iov->iov_len -= copy; | ||
162 | iov->iov_base += copy; | ||
163 | } | ||
164 | iov++; | ||
165 | } | ||
166 | |||
167 | return dma_cookie; | ||
168 | } | ||
169 | 146 | ||
170 | /* | 147 | /* |
171 | * We have already pinned down the pages we will be using in the iovecs. | 148 | * We have already pinned down the pages we will be using in the iovecs. |
@@ -187,10 +164,6 @@ dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov, | |||
187 | if (!chan) | 164 | if (!chan) |
188 | return memcpy_toiovec(iov, kdata, len); | 165 | return memcpy_toiovec(iov, kdata, len); |
189 | 166 | ||
190 | /* -> kernel copies (e.g. smbfs) */ | ||
191 | if (!pinned_list) | ||
192 | return dma_memcpy_to_kernel_iovec(chan, iov, kdata, len); | ||
193 | |||
194 | iovec_idx = 0; | 167 | iovec_idx = 0; |
195 | while (iovec_idx < pinned_list->nr_iovecs) { | 168 | while (iovec_idx < pinned_list->nr_iovecs) { |
196 | struct dma_page_list *page_list; | 169 | struct dma_page_list *page_list; |