diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 4621807..ccee930 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -1329,6 +1329,11 @@
 		}
 	}
 
+	/* Set max read request size to 4096.  This slightly increases
+	 * write throughput for pci-e variants.
+	 */
+	pcie_set_readrq(pdev, 4096);
+
 	sil24_init_controller(host);
 
 	pci_set_master(pdev);