#include <linux/regulator/consumer.h>
#include "ahci.h"
+/* Insmod parameters */
+static bool enable_pmp;
+module_param(enable_pmp, bool, 0);
+MODULE_PARM_DESC(enable_pmp,
+ "Enable support for sata port multipliers, only use if you use a pmp!");
+
#define AHCI_BISTAFR 0x00a0
#define AHCI_BISTCR 0x00a4
#define AHCI_BISTFCTR 0x00a8
goto disable_resources;
hpriv->flags = AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
- AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ;
+ AHCI_HFLAG_YES_NCQ;
+
+ /*
+ * The sunxi sata controller seems to be unable to successfully do a
+ * soft reset if no pmp is attached, so disable pmp use unless
+ * requested, otherwise directly attached disks do not work.
+ */
+ if (!enable_pmp)
+ hpriv->flags |= AHCI_HFLAG_NO_PMP;
rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info);
if (rc)
.remove = ata_platform_remove_one,
.driver = {
.name = "ahci-sunxi",
- .owner = THIS_MODULE,
.of_match_table = ahci_sunxi_of_match,
.pm = &ahci_sunxi_pm_ops,
},