v4.19.13 snapshot.
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c
new file mode 100644
index 0000000..0ea1833
--- /dev/null
+++ b/drivers/ata/pata_netcell.c
@@ -0,0 +1,107 @@
+/*
+ * pata_netcell.c - Netcell PATA driver
+ *
+ * (c) 2006 Red Hat
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <scsi/scsi_host.h>
+#include <linux/libata.h>
+#include <linux/ata.h>
+
+#define DRV_NAME "pata_netcell"
+#define DRV_VERSION "0.1.7"
+
+/* No PIO or DMA methods needed for this device */
+
+static unsigned int netcell_read_id(struct ata_device *adev,
+ struct ata_taskfile *tf, u16 *id)
+{
+ unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
+ /* Firmware forgets to mark words 85-87 valid */
+ if (err_mask == 0)
+ id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+ return err_mask;
+}
+
+static struct scsi_host_template netcell_sht = {
+ ATA_BMDMA_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations netcell_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = ata_cable_80wire,
+ .read_id = netcell_read_id,
+};
+
+
+/**
+ * netcell_init_one - Register Netcell ATA PCI device with kernel services
+ * @pdev: PCI device to register
+ * @ent: Entry in netcell_pci_tbl matching with @pdev
+ *
+ * Called from kernel PCI layer.
+ *
+ * LOCKING:
+ * Inherited from PCI layer (may sleep).
+ *
+ * RETURNS:
+ * Zero on success, or -ERRNO value.
+ */
+
+static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ /* Actually we don't really care about these as the
+ firmware deals with it */
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA5, /* UDMA 133 */
+ .port_ops = &netcell_ops,
+ };
+ const struct ata_port_info *port_info[] = { &info, NULL };
+ int rc;
+
+ ata_print_version_once(&pdev->dev, DRV_VERSION);
+
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ return rc;
+
+ /* Any chip specific setup/optimisation/messages here */
+ ata_pci_bmdma_clear_simplex(pdev);
+
+ /* And let the library code do the work */
+ return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
+}
+
+static const struct pci_device_id netcell_pci_tbl[] = {
+ { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver netcell_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = netcell_pci_tbl,
+ .probe = netcell_init_one,
+ .remove = ata_pci_remove_one,
+#ifdef CONFIG_PM_SLEEP
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
+};
+
+module_pci_driver(netcell_pci_driver);
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
+MODULE_VERSION(DRV_VERSION);