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author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-02-27 10:18:46 -0500 |
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committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-02-27 10:18:46 -0500 |
commit | 018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (patch) | |
tree | fadde2521591998dc653fa094c636e8a547e620d /sound/pci/ctxfi/ctvmem.c | |
parent | 1dd2980d990068e20045b90c424518cc7f3657ff (diff) | |
parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) |
Merge commit 'v2.6.33' into perf/core
Merge reason:
__percpu annotations need the corresponding sparse address
space definition upstream.
Conflicts:
tools/perf/util/probe-event.c (trivial)
Diffstat (limited to 'sound/pci/ctxfi/ctvmem.c')
-rw-r--r-- | sound/pci/ctxfi/ctvmem.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/sound/pci/ctxfi/ctvmem.c b/sound/pci/ctxfi/ctvmem.c index 6b78752e9503..65da6e466f80 100644 --- a/sound/pci/ctxfi/ctvmem.c +++ b/sound/pci/ctxfi/ctvmem.c | |||
@@ -138,7 +138,7 @@ ct_vm_map(struct ct_vm *vm, struct snd_pcm_substream *substream, int size) | |||
138 | return NULL; | 138 | return NULL; |
139 | } | 139 | } |
140 | 140 | ||
141 | ptp = vm->ptp[0]; | 141 | ptp = (unsigned long *)vm->ptp[0].area; |
142 | pte_start = (block->addr >> CT_PAGE_SHIFT); | 142 | pte_start = (block->addr >> CT_PAGE_SHIFT); |
143 | pages = block->size >> CT_PAGE_SHIFT; | 143 | pages = block->size >> CT_PAGE_SHIFT; |
144 | for (i = 0; i < pages; i++) { | 144 | for (i = 0; i < pages; i++) { |
@@ -158,25 +158,25 @@ static void ct_vm_unmap(struct ct_vm *vm, struct ct_vm_block *block) | |||
158 | } | 158 | } |
159 | 159 | ||
160 | /* * | 160 | /* * |
161 | * return the host (kmalloced) addr of the @index-th device | 161 | * return the host physical addr of the @index-th device |
162 | * page talbe page on success, or NULL on failure. | 162 | * page table page on success, or ~0UL on failure. |
163 | * The first returned NULL indicates the termination. | 163 | * The first returned ~0UL indicates the termination. |
164 | * */ | 164 | * */ |
165 | static void * | 165 | static dma_addr_t |
166 | ct_get_ptp_virt(struct ct_vm *vm, int index) | 166 | ct_get_ptp_phys(struct ct_vm *vm, int index) |
167 | { | 167 | { |
168 | void *addr; | 168 | dma_addr_t addr; |
169 | 169 | ||
170 | addr = (index >= CT_PTP_NUM) ? NULL : vm->ptp[index]; | 170 | addr = (index >= CT_PTP_NUM) ? ~0UL : vm->ptp[index].addr; |
171 | 171 | ||
172 | return addr; | 172 | return addr; |
173 | } | 173 | } |
174 | 174 | ||
175 | int ct_vm_create(struct ct_vm **rvm) | 175 | int ct_vm_create(struct ct_vm **rvm, struct pci_dev *pci) |
176 | { | 176 | { |
177 | struct ct_vm *vm; | 177 | struct ct_vm *vm; |
178 | struct ct_vm_block *block; | 178 | struct ct_vm_block *block; |
179 | int i; | 179 | int i, err = 0; |
180 | 180 | ||
181 | *rvm = NULL; | 181 | *rvm = NULL; |
182 | 182 | ||
@@ -188,23 +188,21 @@ int ct_vm_create(struct ct_vm **rvm) | |||
188 | 188 | ||
189 | /* Allocate page table pages */ | 189 | /* Allocate page table pages */ |
190 | for (i = 0; i < CT_PTP_NUM; i++) { | 190 | for (i = 0; i < CT_PTP_NUM; i++) { |
191 | vm->ptp[i] = kmalloc(PAGE_SIZE, GFP_KERNEL); | 191 | err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, |
192 | if (!vm->ptp[i]) | 192 | snd_dma_pci_data(pci), |
193 | PAGE_SIZE, &vm->ptp[i]); | ||
194 | if (err < 0) | ||
193 | break; | 195 | break; |
194 | } | 196 | } |
195 | if (!i) { | 197 | if (err < 0) { |
196 | /* no page table pages are allocated */ | 198 | /* no page table pages are allocated */ |
197 | kfree(vm); | 199 | ct_vm_destroy(vm); |
198 | return -ENOMEM; | 200 | return -ENOMEM; |
199 | } | 201 | } |
200 | vm->size = CT_ADDRS_PER_PAGE * i; | 202 | vm->size = CT_ADDRS_PER_PAGE * i; |
201 | /* Initialise remaining ptps */ | ||
202 | for (; i < CT_PTP_NUM; i++) | ||
203 | vm->ptp[i] = NULL; | ||
204 | |||
205 | vm->map = ct_vm_map; | 203 | vm->map = ct_vm_map; |
206 | vm->unmap = ct_vm_unmap; | 204 | vm->unmap = ct_vm_unmap; |
207 | vm->get_ptp_virt = ct_get_ptp_virt; | 205 | vm->get_ptp_phys = ct_get_ptp_phys; |
208 | INIT_LIST_HEAD(&vm->unused); | 206 | INIT_LIST_HEAD(&vm->unused); |
209 | INIT_LIST_HEAD(&vm->used); | 207 | INIT_LIST_HEAD(&vm->used); |
210 | block = kzalloc(sizeof(*block), GFP_KERNEL); | 208 | block = kzalloc(sizeof(*block), GFP_KERNEL); |
@@ -242,7 +240,7 @@ void ct_vm_destroy(struct ct_vm *vm) | |||
242 | 240 | ||
243 | /* free allocated page table pages */ | 241 | /* free allocated page table pages */ |
244 | for (i = 0; i < CT_PTP_NUM; i++) | 242 | for (i = 0; i < CT_PTP_NUM; i++) |
245 | kfree(vm->ptp[i]); | 243 | snd_dma_free_pages(&vm->ptp[i]); |
246 | 244 | ||
247 | vm->size = 0; | 245 | vm->size = 0; |
248 | 246 | ||