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[libata] ahci_platform: Add the board_ids and pi refer to different features 

On imx53 AHCI, soft reset fails with IPMS set when PMP
is enabled but SATA HDD/ODD is connected to SATA port,
do soft reset again to port 0.
So the 'ahci_pmp_retry_srst_ops' is required when imx53
ahci is present.

Signed-off-by: Richard Zhu <richard.zhu@linaro.org>
Acked-by: Eric Miao <eric.miao@linaro.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
hifive-unleashed-5.1
Richard Zhu 2011-09-28 15:41:54 +08:00 committed by Jeff Garzik
parent e8411fbad6
commit 904c04feaf
1 changed files with 38 additions and 6 deletions
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44
drivers/ata/ahci_platform.c
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@ -23,6 +23,41 @@
#include <linux/ahci_platform.h>
#include "ahci.h"
enum ahci_type {
AHCI, /* standard platform ahci */
IMX53_AHCI, /* ahci on i.mx53 */
};
static struct platform_device_id ahci_devtype[] = {
{
.name = "ahci",
.driver_data = AHCI,
}, {
.name = "imx53-ahci",
.driver_data = IMX53_AHCI,
}, {
/* sentinel */
}
};
MODULE_DEVICE_TABLE(platform, ahci_devtype);
static const struct ata_port_info ahci_port_info[] = {
/* by features */
[AHCI] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
[IMX53_AHCI] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_pmp_retry_srst_ops,
},
};
static struct scsi_host_template ahci_platform_sht = {
AHCI_SHT("ahci_platform"),
};
@ -31,12 +66,8 @@ static int __init ahci_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_platform_data *pdata = dev->platform_data;
struct ata_port_info pi = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
};
const struct platform_device_id *id = platform_get_device_id(pdev);
struct ata_port_info pi = ahci_port_info[id->driver_data];
const struct ata_port_info *ppi[] = { &pi, NULL };
struct ahci_host_priv *hpriv;
struct ata_host *host;
@ -177,6 +208,7 @@ static struct platform_driver ahci_driver = {
.name = "ahci",
.owner = THIS_MODULE,
},
.id_table = ahci_devtype,
};
static int __init ahci_init(void)