diff options
Diffstat (limited to 'drivers/mtd/devices/pmc551.c')
-rw-r--r-- | drivers/mtd/devices/pmc551.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c index 7060a0895ce2..bc9981749064 100644 --- a/drivers/mtd/devices/pmc551.c +++ b/drivers/mtd/devices/pmc551.c | |||
@@ -134,7 +134,8 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr) | |||
134 | eoff_lo = end & (priv->asize - 1); | 134 | eoff_lo = end & (priv->asize - 1); |
135 | soff_lo = instr->addr & (priv->asize - 1); | 135 | soff_lo = instr->addr & (priv->asize - 1); |
136 | 136 | ||
137 | pmc551_point(mtd, instr->addr, instr->len, &retlen, &ptr); | 137 | pmc551_point(mtd, instr->addr, instr->len, &retlen, |
138 | (void **)&ptr, NULL); | ||
138 | 139 | ||
139 | if (soff_hi == eoff_hi || mtd->size == priv->asize) { | 140 | if (soff_hi == eoff_hi || mtd->size == priv->asize) { |
140 | /* The whole thing fits within one access, so just one shot | 141 | /* The whole thing fits within one access, so just one shot |
@@ -154,7 +155,8 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr) | |||
154 | } | 155 | } |
155 | soff_hi += priv->asize; | 156 | soff_hi += priv->asize; |
156 | pmc551_point(mtd, (priv->base_map0 | soff_hi), | 157 | pmc551_point(mtd, (priv->base_map0 | soff_hi), |
157 | priv->asize, &retlen, &ptr); | 158 | priv->asize, &retlen, |
159 | (void **)&ptr, NULL); | ||
158 | } | 160 | } |
159 | memset(ptr, 0xff, eoff_lo); | 161 | memset(ptr, 0xff, eoff_lo); |
160 | } | 162 | } |
@@ -170,7 +172,7 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr) | |||
170 | } | 172 | } |
171 | 173 | ||
172 | static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, | 174 | static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, |
173 | size_t * retlen, u_char ** mtdbuf) | 175 | size_t *retlen, void **virt, resource_size_t *phys) |
174 | { | 176 | { |
175 | struct mypriv *priv = mtd->priv; | 177 | struct mypriv *priv = mtd->priv; |
176 | u32 soff_hi; | 178 | u32 soff_hi; |
@@ -188,6 +190,10 @@ static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, | |||
188 | return -EINVAL; | 190 | return -EINVAL; |
189 | } | 191 | } |
190 | 192 | ||
193 | /* can we return a physical address with this driver? */ | ||
194 | if (phys) | ||
195 | return -EINVAL; | ||
196 | |||
191 | soff_hi = from & ~(priv->asize - 1); | 197 | soff_hi = from & ~(priv->asize - 1); |
192 | soff_lo = from & (priv->asize - 1); | 198 | soff_lo = from & (priv->asize - 1); |
193 | 199 | ||
@@ -198,13 +204,12 @@ static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, | |||
198 | priv->curr_map0 = soff_hi; | 204 | priv->curr_map0 = soff_hi; |
199 | } | 205 | } |
200 | 206 | ||
201 | *mtdbuf = priv->start + soff_lo; | 207 | *virt = priv->start + soff_lo; |
202 | *retlen = len; | 208 | *retlen = len; |
203 | return 0; | 209 | return 0; |
204 | } | 210 | } |
205 | 211 | ||
206 | static void pmc551_unpoint(struct mtd_info *mtd, u_char * addr, loff_t from, | 212 | static void pmc551_unpoint(struct mtd_info *mtd, loff_t from, size_t len) |
207 | size_t len) | ||
208 | { | 213 | { |
209 | #ifdef CONFIG_MTD_PMC551_DEBUG | 214 | #ifdef CONFIG_MTD_PMC551_DEBUG |
210 | printk(KERN_DEBUG "pmc551_unpoint()\n"); | 215 | printk(KERN_DEBUG "pmc551_unpoint()\n"); |
@@ -242,7 +247,7 @@ static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len, | |||
242 | soff_lo = from & (priv->asize - 1); | 247 | soff_lo = from & (priv->asize - 1); |
243 | eoff_lo = end & (priv->asize - 1); | 248 | eoff_lo = end & (priv->asize - 1); |
244 | 249 | ||
245 | pmc551_point(mtd, from, len, retlen, &ptr); | 250 | pmc551_point(mtd, from, len, retlen, (void **)&ptr, NULL); |
246 | 251 | ||
247 | if (soff_hi == eoff_hi) { | 252 | if (soff_hi == eoff_hi) { |
248 | /* The whole thing fits within one access, so just one shot | 253 | /* The whole thing fits within one access, so just one shot |
@@ -263,7 +268,8 @@ static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len, | |||
263 | goto out; | 268 | goto out; |
264 | } | 269 | } |
265 | soff_hi += priv->asize; | 270 | soff_hi += priv->asize; |
266 | pmc551_point(mtd, soff_hi, priv->asize, retlen, &ptr); | 271 | pmc551_point(mtd, soff_hi, priv->asize, retlen, |
272 | (void **)&ptr, NULL); | ||
267 | } | 273 | } |
268 | memcpy(copyto, ptr, eoff_lo); | 274 | memcpy(copyto, ptr, eoff_lo); |
269 | copyto += eoff_lo; | 275 | copyto += eoff_lo; |
@@ -308,7 +314,7 @@ static int pmc551_write(struct mtd_info *mtd, loff_t to, size_t len, | |||
308 | soff_lo = to & (priv->asize - 1); | 314 | soff_lo = to & (priv->asize - 1); |
309 | eoff_lo = end & (priv->asize - 1); | 315 | eoff_lo = end & (priv->asize - 1); |
310 | 316 | ||
311 | pmc551_point(mtd, to, len, retlen, &ptr); | 317 | pmc551_point(mtd, to, len, retlen, (void **)&ptr, NULL); |
312 | 318 | ||
313 | if (soff_hi == eoff_hi) { | 319 | if (soff_hi == eoff_hi) { |
314 | /* The whole thing fits within one access, so just one shot | 320 | /* The whole thing fits within one access, so just one shot |
@@ -329,7 +335,8 @@ static int pmc551_write(struct mtd_info *mtd, loff_t to, size_t len, | |||
329 | goto out; | 335 | goto out; |
330 | } | 336 | } |
331 | soff_hi += priv->asize; | 337 | soff_hi += priv->asize; |
332 | pmc551_point(mtd, soff_hi, priv->asize, retlen, &ptr); | 338 | pmc551_point(mtd, soff_hi, priv->asize, retlen, |
339 | (void **)&ptr, NULL); | ||
333 | } | 340 | } |
334 | memcpy(ptr, copyfrom, eoff_lo); | 341 | memcpy(ptr, copyfrom, eoff_lo); |
335 | copyfrom += eoff_lo; | 342 | copyfrom += eoff_lo; |