| Message ID | 1317195717-21174-3-git-send-email-richard.zhu@linaro.org |
|---|---|
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
On 09/28/2011 03:41 AM, Richard Zhu wrote: > 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> > --- > drivers/ata/ahci_platform.c | 44 +++++++++++++++++++++++++++++++++++++----- > 1 files changed, 38 insertions(+), 6 deletions(-) > > diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c > index 6fef1fa..c03277d 100644 > --- a/drivers/ata/ahci_platform.c > +++ b/drivers/ata/ahci_platform.c > @@ -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, > }; Looks good... I queued this one. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, Oct 06, 2011 at 02:22:01AM -0400, Jeff Garzik wrote: > > Looks good... I queued this one. Ok, I'll take care for the rest of this series. Sascha
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 6fef1fa..c03277d 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -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)