64 int fl_read_stat(struct spi_flash_ctrl *ct, uint8_t *stat)  in fl_read_stat()  argument
66 	return ct->cmd_rd(ct, CMD_RDSR, false, 0, stat, 1);  in fl_read_stat()
69 static void fl_micron_status(struct spi_flash_ctrl *ct)  in fl_micron_status()  argument
78 	ct->cmd_rd(ct, CMD_MIC_RDFLST, false, 0, &flst, 1);  in fl_micron_status()
82 int fl_sync_wait_idle(struct spi_flash_ctrl *ct)  in fl_sync_wait_idle()  argument
89 		rc = fl_read_stat(ct, &stat);  in fl_sync_wait_idle()
92 			if (ct->finfo->flags & FL_MICRON_BUGS)  in fl_sync_wait_idle()
93 				fl_micron_status(ct);  in fl_sync_wait_idle()
101 int fl_wren(struct spi_flash_ctrl *ct)  in fl_wren()  argument
108 		rc = ct->cmd_wr(ct, CMD_WREN, false, 0, NULL, 0);  in fl_wren()
110 		rc = fl_read_stat(ct, &stat);  in fl_wren()
114 			rc = fl_sync_wait_idle(ct);  in fl_wren()
128 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_read()  local
137 	if ((!c->mode_4b || ct->set_4b) && ct->read)  in flash_read()
138 		return ct->read(ct, pos, buf, len);  in flash_read()
141 	if (!ct->cmd_rd)  in flash_read()
143 	return ct->cmd_rd(ct, CMD_READ, true, pos, buf, len);  in flash_read()
232 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_erase()  local
249 	if (ct->erase)  in flash_erase()
250 		return ct->erase(ct, dst, size);  in flash_erase()
258 		rc = fl_wren(ct);  in flash_erase()
263 		rc = ct->cmd_wr(ct, cmd, true, dst, NULL, 0);  in flash_erase()
268 		rc = fl_sync_wait_idle(ct);  in flash_erase()
280 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_erase_chip()  local
290 	if (ct->erase)  in flash_erase_chip()
291 		return ct->erase(ct, 0, 0xffffffff);  in flash_erase_chip()
293 	rc = fl_wren(ct);  in flash_erase_chip()
297 		rc = ct->cmd_wr(ct, CMD_CE, false, 0, NULL, 0);  in flash_erase_chip()
299 		rc = ct->cmd_wr(ct, CMD_MIC_BULK_ERASE, false, 0, NULL, 0);  in flash_erase_chip()
304 	return fl_sync_wait_idle(ct);  in flash_erase_chip()
310 	struct spi_flash_ctrl *ct = c->ctrl;  in fl_wpage()  local
316 	rc = fl_wren(ct);  in fl_wpage()
319 	rc = ct->cmd_wr(ct, CMD_PP, true, dst, src, size);  in fl_wpage()
324 	return fl_sync_wait_idle(ct);  in fl_wpage()
331 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_write()  local
349 	if ((!c->mode_4b || ct->set_4b) && ct->write) {  in flash_write()
350 		rc = ct->write(ct, dst, src, size);  in flash_write()
357 	if (!ct->cmd_wr)  in flash_write()
581 static int fl_chip_id(struct spi_flash_ctrl *ct, uint8_t *id_buf,  in fl_chip_id()  argument
588 	rc = fl_read_stat(ct, &stat);  in fl_chip_id()
595 		rc = fl_sync_wait_idle(ct);  in fl_chip_id()
602 	rc = ct->cmd_rd(ct, CMD_RDID, false, 0, id_buf, 3);  in fl_chip_id()
612 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_identify()  local
619 	if (ct->chip_id) {  in flash_identify()
622 		rc = ct->chip_id(ct, id, &id_size);  in flash_identify()
624 		rc = fl_chip_id(ct, id, &id_size);  in flash_identify()
649 	ct->finfo = &c->info;  in flash_identify()
655 	if (ct->setup) {  in flash_identify()
656 		rc = ct->setup(ct, &c->tsize);  in flash_identify()
682 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_set_4b()  local
686 	if (!ct->cmd_wr)  in flash_set_4b()
690 	rc = fl_wren(ct);  in flash_set_4b()
697 	return ct->cmd_wr(ct, enable ? CMD_EN4B : CMD_EX4B, false, 0, NULL, 0);  in flash_set_4b()
702 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_force_4b_mode()  local
710 	if (enable_4b && !((c->info.flags & FL_CAN_4B) && ct->set_4b))  in flash_force_4b_mode()
716 	if (ct->cmd_wr) {  in flash_force_4b_mode()
723 	if (ct->set_4b)  in flash_force_4b_mode()
724 		rc = ct->set_4b(ct, enable_4b);  in flash_force_4b_mode()
730 	struct spi_flash_ctrl *ct = c->ctrl;  in flash_configure()  local
744 		if (ct->cmd_wr) {  in flash_configure()
754 		if (ct->set_4b) {  in flash_configure()
756 			rc = ct->set_4b(ct, true);  in flash_configure()
778 		if (ct->set_4b) {  in flash_configure()
780 			rc = ct->set_4b(ct, false);  in flash_configure()