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