136 static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
139 static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr)  in pmc551_erase()  argument
141 	struct mypriv *priv = mtd->priv;  in pmc551_erase()
159 	pmc551_point(mtd, instr->addr, instr->len, &retlen,  in pmc551_erase()
162 	if (soff_hi == eoff_hi || mtd->size == priv->asize) {  in pmc551_erase()
175 			if (soff_hi + priv->asize >= mtd->size) {  in pmc551_erase()
179 			pmc551_point(mtd, (priv->base_map0 | soff_hi),  in pmc551_erase()
196 static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,  in pmc551_point()  argument
199 	struct mypriv *priv = mtd->priv;  in pmc551_point()
222 static int pmc551_unpoint(struct mtd_info *mtd, loff_t from, size_t len)  in pmc551_unpoint()  argument
230 static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len,  in pmc551_read()  argument
233 	struct mypriv *priv = mtd->priv;  in pmc551_read()
251 	pmc551_point(mtd, from, len, retlen, (void **)&ptr, NULL);  in pmc551_read()
268 			if (soff_hi + priv->asize >= mtd->size) {  in pmc551_read()
272 			pmc551_point(mtd, soff_hi, priv->asize, retlen,  in pmc551_read()
287 static int pmc551_write(struct mtd_info *mtd, loff_t to, size_t len,  in pmc551_write()  argument
290 	struct mypriv *priv = mtd->priv;  in pmc551_write()
308 	pmc551_point(mtd, to, len, retlen, (void **)&ptr, NULL);  in pmc551_write()
325 			if (soff_hi >= mtd->size) {  in pmc551_write()
329 			pmc551_point(mtd, soff_hi, priv->asize, retlen,  in pmc551_write()
665 	struct mtd_info *mtd;  in init_pmc551()  local
727 		mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);  in init_pmc551()
728 		if (!mtd)  in init_pmc551()
733 			kfree(mtd);  in init_pmc551()
736 		mtd->priv = priv;  in init_pmc551()
756 			kfree(mtd->priv);  in init_pmc551()
757 			kfree(mtd);  in init_pmc551()
777 		mtd->size = msize;  in init_pmc551()
778 		mtd->flags = MTD_CAP_RAM;  in init_pmc551()
779 		mtd->_erase = pmc551_erase;  in init_pmc551()
780 		mtd->_read = pmc551_read;  in init_pmc551()
781 		mtd->_write = pmc551_write;  in init_pmc551()
782 		mtd->_point = pmc551_point;  in init_pmc551()
783 		mtd->_unpoint = pmc551_unpoint;  in init_pmc551()
784 		mtd->type = MTD_RAM;  in init_pmc551()
785 		mtd->name = "PMC551 RAM board";  in init_pmc551()
786 		mtd->erasesize = 0x10000;  in init_pmc551()
787 		mtd->writesize = 1;  in init_pmc551()
788 		mtd->owner = THIS_MODULE;  in init_pmc551()
790 		if (mtd_device_register(mtd, NULL, 0)) {  in init_pmc551()
793 			kfree(mtd->priv);  in init_pmc551()
794 			kfree(mtd);  in init_pmc551()
810 		pmc551list = mtd;  in init_pmc551()
832 	struct mtd_info *mtd;  in cleanup_pmc551()  local
835 	while ((mtd = pmc551list)) {  in cleanup_pmc551()
836 		priv = mtd->priv;  in cleanup_pmc551()
846 		kfree(mtd->priv);  in cleanup_pmc551()
847 		mtd_device_unregister(mtd);  in cleanup_pmc551()
848 		kfree(mtd);  in cleanup_pmc551()