17  * Test page read and write on MTD device.
114 	size_t read;  in verify_eraseblock()  local
129 		/* Do a read to set the internal dataRAMs to different data */  in verify_eraseblock()
130 		err = mtd_read(mtd, addr0, bufsize, &read, twopages);  in verify_eraseblock()
133 		if (err || read != bufsize) {  in verify_eraseblock()
134 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
138 		err = mtd_read(mtd, addrn - bufsize, bufsize, &read, twopages);  in verify_eraseblock()
141 		if (err || read != bufsize) {  in verify_eraseblock()
142 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
147 		err = mtd_read(mtd, addr, bufsize, &read, twopages);  in verify_eraseblock()
150 		if (err || read != bufsize) {  in verify_eraseblock()
151 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
164 		/* Do a read to set the internal dataRAMs to different data */  in verify_eraseblock()
165 		err = mtd_read(mtd, addr0, bufsize, &read, twopages);  in verify_eraseblock()
168 		if (err || read != bufsize) {  in verify_eraseblock()
169 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
173 		err = mtd_read(mtd, addrn - bufsize, bufsize, &read, twopages);  in verify_eraseblock()
176 		if (err || read != bufsize) {  in verify_eraseblock()
177 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
182 		err = mtd_read(mtd, addr, bufsize, &read, twopages);  in verify_eraseblock()
185 		if (err || read != bufsize) {  in verify_eraseblock()
186 			printk(PRINT_PREF "error: read failed at %#llx\n",  in verify_eraseblock()
204 	size_t read;  in crosstest()  local
228 	/* Read 2nd-to-last page to pp1 */  in crosstest()
230 	err = mtd_read(mtd, addr, pgsize, &read, pp1);  in crosstest()
233 	if (err || read != pgsize) {  in crosstest()
234 		printk(PRINT_PREF "error: read failed at %#llx\n",  in crosstest()
240 	/* Read 3rd-to-last page to pp1 */  in crosstest()
242 	err = mtd_read(mtd, addr, pgsize, &read, pp1);  in crosstest()
245 	if (err || read != pgsize) {  in crosstest()
246 		printk(PRINT_PREF "error: read failed at %#llx\n",  in crosstest()
252 	/* Read first page to pp2 */  in crosstest()
255 	err = mtd_read(mtd, addr, pgsize, &read, pp2);  in crosstest()
258 	if (err || read != pgsize) {  in crosstest()
259 		printk(PRINT_PREF "error: read failed at %#llx\n",  in crosstest()
265 	/* Read last page to pp3 */  in crosstest()
268 	err = mtd_read(mtd, addr, pgsize, &read, pp3);  in crosstest()
271 	if (err || read != pgsize) {  in crosstest()
272 		printk(PRINT_PREF "error: read failed at %#llx\n",  in crosstest()
278 	/* Read first page again to pp4 */  in crosstest()
281 	err = mtd_read(mtd, addr, pgsize, &read, pp4);  in crosstest()
284 	if (err || read != pgsize) {  in crosstest()
285 		printk(PRINT_PREF "error: read failed at %#llx\n",  in crosstest()
292 	printk(PRINT_PREF "verifying pages read at %#llx match\n",  in crosstest()
305 	size_t read, written;  in erasecrosstest()  local
340 	err = mtd_read(mtd, addr0, pgsize, &read, readbuf);  in erasecrosstest()
343 	if (err || read != pgsize) {  in erasecrosstest()
344 		printk(PRINT_PREF "error: read failed at %#llx\n",  in erasecrosstest()
378 	err = mtd_read(mtd, addr0, pgsize, &read, readbuf);  in erasecrosstest()
381 	if (err || read != pgsize) {  in erasecrosstest()
382 		printk(PRINT_PREF "error: read failed at %#llx\n",  in erasecrosstest()
401 	size_t read, written;  in erasetest()  local
434 	err = mtd_read(mtd, addr0, pgsize, &read, twopages);  in erasetest()
437 	if (err || read != pgsize) {  in erasetest()
438 		printk(PRINT_PREF "error: read failed at %#llx\n",  in erasetest()