63 static void gf_set_gpios(struct async_state *state, unsigned long ofs)  in gf_set_gpios()  argument
67 	ofs /= state->win_size;  in gf_set_gpios()
70 		if (state->gpio_values[i] != value) {  in gf_set_gpios()
71 			gpio_set_value(state->gpio_addrs[i], value);  in gf_set_gpios()
72 			state->gpio_values[i] = value;  in gf_set_gpios()
74 	} while (++i < state->gpio_count);  in gf_set_gpios()
84 	struct async_state *state = gf_map_info_to_state(map);  in gf_read()  local
88 	gf_set_gpios(state, ofs);  in gf_read()
90 	word = readw(map->virt + (ofs % state->win_size));  in gf_read()
107 	struct async_state *state = gf_map_info_to_state(map);  in gf_copy_from()  local
112 		if ((from % state->win_size) + len > state->win_size)  in gf_copy_from()
113 			this_len = state->win_size - (from % state->win_size);  in gf_copy_from()
117 		gf_set_gpios(state, from);  in gf_copy_from()
118 		memcpy_fromio(to, map->virt + (from % state->win_size),  in gf_copy_from()
133 	struct async_state *state = gf_map_info_to_state(map);  in gf_write()  local
136 	gf_set_gpios(state, ofs);  in gf_write()
139 	writew(d, map->virt + (ofs % state->win_size));  in gf_write()
154 	struct async_state *state = gf_map_info_to_state(map);  in gf_copy_to()  local
159 		if ((to % state->win_size) + len > state->win_size)  in gf_copy_to()
160 			this_len = state->win_size - (to % state->win_size);  in gf_copy_to()
164 		gf_set_gpios(state, to);  in gf_copy_to()
165 		memcpy_toio(map->virt + (to % state->win_size), from, len);  in gf_copy_to()
210 	struct async_state *state;  in gpio_flash_probe()  local
220 	state = kzalloc(sizeof(*state) + arr_size, GFP_KERNEL);  in gpio_flash_probe()
221 	if (!state)  in gpio_flash_probe()
228 	state->gpio_count     = gpios->end;  in gpio_flash_probe()
229 	state->gpio_addrs     = (void *)(unsigned long)gpios->start;  in gpio_flash_probe()
230 	state->gpio_values    = (void *)(state + 1);  in gpio_flash_probe()
231 	state->win_size       = resource_size(memory);  in gpio_flash_probe()
232 	memset(state->gpio_values, 0xff, arr_size);  in gpio_flash_probe()
234 	state->map.name       = DRIVER_NAME;  in gpio_flash_probe()
235 	state->map.read       = gf_read;  in gpio_flash_probe()
236 	state->map.copy_from  = gf_copy_from;  in gpio_flash_probe()
237 	state->map.write      = gf_write;  in gpio_flash_probe()
238 	state->map.copy_to    = gf_copy_to;  in gpio_flash_probe()
239 	state->map.bankwidth  = pdata->width;  in gpio_flash_probe()
240 	state->map.size       = state->win_size * (1 << state->gpio_count);  in gpio_flash_probe()
241 	state->map.virt       = ioremap_nocache(memory->start, state->map.size);  in gpio_flash_probe()
242 	state->map.phys       = NO_XIP;  in gpio_flash_probe()
243 	state->map.map_priv_1 = (unsigned long)state;  in gpio_flash_probe()
245 	platform_set_drvdata(pdev, state);  in gpio_flash_probe()
249 		if (gpio_request(state->gpio_addrs[i], DRIVER_NAME)) {  in gpio_flash_probe()
251 				state->gpio_addrs[i]);  in gpio_flash_probe()
253 				gpio_free(state->gpio_addrs[i]);  in gpio_flash_probe()
254 			kfree(state);  in gpio_flash_probe()
257 		gpio_direction_output(state->gpio_addrs[i], 0);  in gpio_flash_probe()
258 	} while (++i < state->gpio_count);  in gpio_flash_probe()
261 		state->map.bankwidth * 8);  in gpio_flash_probe()
262 	state->mtd = do_map_probe(memory->name, &state->map);  in gpio_flash_probe()
263 	if (!state->mtd) {  in gpio_flash_probe()
264 		for (i = 0; i < state->gpio_count; ++i)  in gpio_flash_probe()
265 			gpio_free(state->gpio_addrs[i]);  in gpio_flash_probe()
266 		kfree(state);  in gpio_flash_probe()
271 	mtd_device_parse_register(state->mtd, part_probe_types, NULL,  in gpio_flash_probe()
279 	struct async_state *state = platform_get_drvdata(pdev);  in gpio_flash_remove()  local
282 		gpio_free(state->gpio_addrs[i]);  in gpio_flash_remove()
283 	} while (++i < state->gpio_count);  in gpio_flash_remove()
284 	mtd_device_unregister(state->mtd);  in gpio_flash_remove()
285 	map_destroy(state->mtd);  in gpio_flash_remove()
286 	kfree(state);  in gpio_flash_remove()