WIP: drop S/G list dumping

src/drivers/ata/libahci.c

@@ -1926,7 +1926,7 @@ static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
 	if (msg_str != NULL) {
 		len = snprintf(msg_str, LIBAHCI_DEBUG_BUFSZ, "\tfill S/G list for port %u: %u PRD(s) written", qc->ap->port_no, si);
 		libahci_debug_event(qc->ap, msg_str, len);
-		libahci_debug_dump_sg(qc, "reading data pointed by S/G list; dump: ");
+		//libahci_debug_dump_sg(qc, "reading data pointed by S/G list; dump: ");
 		kfree(msg_str);
 	}
 
@@ -2517,7 +2517,7 @@ static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
 		qc->result_tf.command = (rx_fis + RX_FIS_PIO_SETUP)[15];
 
 		libahci_debug_dump_region(qc->ap, (const u32 *)(rx_fis + RX_FIS_PIO_SETUP), 5, "\tread PIO Setup FIS; dump: ");
-		libahci_debug_dump_sg(qc, "reading data pointed by S/G list; dump: ");
+		//libahci_debug_dump_sg(qc, "reading data pointed by S/G list; dump: ");
 	} else {
 		ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf);
 

src/drivers/ata/libahci_debug.c

@@ -810,6 +810,8 @@ unsigned int libahci_debug_saxigp1_save(struct ata_port *ap, size_t dump_size)
 		bytes_copied += dump_size;
 	} else {
 		page_cntr = 0;
+		//bytes_copied = 0;
+		//dev_info(dev, "memory pool has ended, writing from beginning");
 	}
 
 	return page_cntr;

src/drivers/ata/libata-eh.c

@@ -2557,8 +2557,8 @@ static void ata_eh_link_report(struct ata_link *link)
 			qc->err_mask & AC_ERR_NCQ ? " <F>" : "");
 
 		// elphel test: crash driver here to stop its execution and preserve memory state
-		//u32 *tmp_str = NULL;
-		//ata_dev_err(qc->dev, "test: %u", *tmp_str);
+		u32 *tmp_str = NULL;
+		ata_dev_err(qc->dev, "test: %u", *tmp_str);
 
 #ifdef CONFIG_ATA_VERBOSE_ERROR
 		if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ |