--- a/arch/arm/mach-cns3xxx/devices.c +++ b/arch/arm/mach-cns3xxx/devices.c @@ -41,7 +41,7 @@ static struct resource cns3xxx_ahci_reso static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32); static struct platform_device cns3xxx_ahci_pdev = { - .name = "ahci", + .name = "ahci-cns3xxx", .id = 0, .resource = cns3xxx_ahci_resource, .num_resources = ARRAY_SIZE(cns3xxx_ahci_resource), --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -27,6 +27,7 @@ enum ahci_type { AHCI, /* standard platform ahci */ IMX53_AHCI, /* ahci on i.mx53 */ STRICT_AHCI, /* delayed DMA engine start */ + CNS3XXX_AHCI, /* AHCI on cns3xxx */ }; static struct platform_device_id ahci_devtype[] = { @@ -40,11 +41,32 @@ static struct platform_device_id ahci_de .name = "strict-ahci", .driver_data = STRICT_AHCI, }, { + .name = "ahci-cns3xxx", + .driver_data = CNS3XXX_AHCI, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(platform, ahci_devtype); +static int +cns3xxx_ahci_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + int pmp = sata_srst_pmp(link); + int ret; + + ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); + if (pmp && ret) + return ahci_do_softreset(link, class, 0, deadline, + ahci_check_ready); + return ret; +} + +static struct ata_port_operations cns3xxx_ahci_ops = { + .inherits = &ahci_ops, + .softreset = cns3xxx_ahci_softreset, +}; static const struct ata_port_info ahci_port_info[] = { /* by features */ @@ -67,13 +89,19 @@ static const struct ata_port_info ahci_p .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + [CNS3XXX_AHCI] = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &cns3xxx_ahci_ops, + } }; static struct scsi_host_template ahci_platform_sht = { AHCI_SHT("ahci_platform"), }; -static int __init ahci_probe(struct platform_device *pdev) +static int __devinit ahci_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ahci_platform_data *pdata = dev_get_platdata(dev); @@ -285,6 +313,7 @@ static const struct of_device_id ahci_of MODULE_DEVICE_TABLE(of, ahci_of_match); static struct platform_driver ahci_driver = { + .probe = ahci_probe, .remove = __devexit_p(ahci_remove), .driver = { .name = "ahci", @@ -299,7 +328,7 @@ static struct platform_driver ahci_drive static int __init ahci_init(void) { - return platform_driver_probe(&ahci_driver, ahci_probe); + return platform_driver_register(&ahci_driver); } module_init(ahci_init); @@ -312,4 +341,3 @@ module_exit(ahci_exit); MODULE_DESCRIPTION("AHCI SATA platform driver"); MODULE_AUTHOR("Anton Vorontsov "); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:ahci");