+int cadence_qspi_apb_read_execute(struct cadence_spi_platdata *plat,
+ const struct spi_mem_op *op)
+{
+ u64 from = op->addr.val;
+ void *buf = op->data.buf.in;
+ size_t len = op->data.nbytes;
+
+ if (plat->use_dac_mode && (from + len < plat->ahbsize)) {
+ if (len < 256 ||
+ dma_memcpy(buf, plat->ahbbase + from, len) < 0) {
+ memcpy_fromio(buf, plat->ahbbase + from, len);
+ }
+ if (!cadence_qspi_wait_idle(plat->regbase))
+ return -EIO;
+ return 0;
+ }
+
+ return cadence_qspi_apb_indirect_read_execute(plat, len, buf);
+}
+