dm: sata: dw_sata: Drop dwc_ahsata_rw_ncq_cmd()

This function is not called from anywhere. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/ata/dwc_ahsata.c

@@ -750,49 +750,6 @@ static u32 dwc_ahsata_rw_cmd_ext(int dev, u32 start, lbaint_t blkcnt,
 		return 0;
 }
 
-u32 dwc_ahsata_rw_ncq_cmd(int dev, u32 start, lbaint_t blkcnt,
-				u8 *buffer, int is_write)
-{
-	struct ahci_uc_priv *probe_ent =
-		(struct ahci_uc_priv *)sata_dev_desc[dev].priv;
-	struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
-	struct sata_fis_h2d *cfis = &h2d;
-	u8 port = probe_ent->hard_port_no;
-	u64 block;
-
-	if (sata_dev_desc[dev].lba48 != 1) {
-		printf("execute FPDMA command on non-LBA48 hard disk\n\r");
-		return -1;
-	}
-
-	block = (u64)start;
-
-	memset(cfis, 0, sizeof(struct sata_fis_h2d));
-
-	cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
-	cfis->pm_port_c = 0x80; /* is command */
-
-	cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
-				 : ATA_CMD_FPDMA_READ;
-
-	cfis->lba_high_exp = (block >> 40) & 0xff;
-	cfis->lba_mid_exp = (block >> 32) & 0xff;
-	cfis->lba_low_exp = (block >> 24) & 0xff;
-	cfis->lba_high = (block >> 16) & 0xff;
-	cfis->lba_mid = (block >> 8) & 0xff;
-	cfis->lba_low = block & 0xff;
-
-	cfis->device = ATA_LBA;
-	cfis->features_exp = (blkcnt >> 8) & 0xff;
-	cfis->features = blkcnt & 0xff;
-
-	/* Use the latest queue */
-	ahci_exec_ata_cmd(probe_ent, port, cfis,
-			buffer, ATA_SECT_SIZE * blkcnt, is_write);
-
-	return blkcnt;
-}
-
 static void dwc_ahsata_flush_cache_ext(int dev)
 {
 	struct ahci_uc_priv *probe_ent =