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[SCSI] aic7xxx: sane pci probing 

always probe in bus order, avoid any reordering

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig 2005-06-28 16:49:44 +02:00 committed by James Bottomley
parent 7f602c5393
commit dfd287f6ee
4 changed files with 22 additions and 60 deletions
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3
drivers/scsi/aic7xxx/aic7770_osm.c
View File

@ -102,8 +102,7 @@ aic7770_probe(struct device *dev)
dev_set_drvdata(dev, ahc);
if (aic7xxx_detect_complete)
error = ahc_linux_register_host(ahc, &aic7xxx_driver_template);
error = ahc_linux_register_host(ahc, &aic7xxx_driver_template);
return (error);
}

75
drivers/scsi/aic7xxx/aic7xxx_osm.c
View File

@ -337,13 +337,6 @@ static uint32_t aic7xxx_pci_parity = ~0;
*/
uint32_t aic7xxx_allow_memio = ~0;
/*
* aic7xxx_detect() has been run, so register all device arrivals
* immediately with the system rather than deferring to the sorted
* attachment performed by aic7xxx_detect().
*/
int aic7xxx_detect_complete;
/*
* So that we can set how long each device is given as a selection timeout.
* The table of values goes like this:
@ -475,48 +468,6 @@ ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
return (consumed);
}
/*
* Try to detect an Adaptec 7XXX controller.
*/
static int
ahc_linux_detect(struct scsi_host_template *template)
{
struct ahc_softc *ahc;
int found = 0;
/*
* If we've been passed any parameters, process them now.
*/
if (aic7xxx)
aic7xxx_setup(aic7xxx);
template->proc_name = "aic7xxx";
/*
* Initialize our softc list lock prior to
* probing for any adapters.
*/
ahc_list_lockinit();
found = ahc_linux_pci_init();
if (!ahc_linux_eisa_init())
found++;
/*
* Register with the SCSI layer all
* controllers we've found.
*/
TAILQ_FOREACH(ahc, &ahc_tailq, links) {
if (ahc_linux_register_host(ahc, template) == 0)
found++;
}
aic7xxx_detect_complete++;
return (found);
}
/*
* Return a string describing the driver.
*/
@ -848,6 +799,7 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd)
struct scsi_host_template aic7xxx_driver_template = {
.module = THIS_MODULE,
.name = "aic7xxx",
.proc_name = "aic7xxx",
.proc_info = ahc_linux_proc_info,
.info = ahc_linux_info,
.queuecommand = ahc_linux_queue,
@ -2717,18 +2669,31 @@ static struct spi_function_template ahc_linux_transport_functions = {
static int __init
ahc_linux_init(void)
{
ahc_linux_transport_template = spi_attach_transport(&ahc_linux_transport_functions);
/*
* If we've been passed any parameters, process them now.
*/
if (aic7xxx)
aic7xxx_setup(aic7xxx);
ahc_linux_transport_template =
spi_attach_transport(&ahc_linux_transport_functions);
if (!ahc_linux_transport_template)
return -ENODEV;
scsi_transport_reserve_target(ahc_linux_transport_template,
sizeof(struct ahc_linux_target));
scsi_transport_reserve_device(ahc_linux_transport_template,
sizeof(struct ahc_linux_device));
if (ahc_linux_detect(&aic7xxx_driver_template))
return 0;
spi_release_transport(ahc_linux_transport_template);
ahc_linux_exit();
return -ENODEV;
/*
* Initialize our softc list lock prior to
* probing for any adapters.
*/
ahc_list_lockinit();
ahc_linux_pci_init();
ahc_linux_eisa_init();
return 0;
}
static void

1
drivers/scsi/aic7xxx/aic7xxx_osm.h
View File

@ -132,7 +132,6 @@ typedef struct scsi_cmnd *ahc_io_ctx_t;
/************************* Configuration Data *********************************/
extern u_int aic7xxx_no_probe;
extern u_int aic7xxx_allow_memio;
extern int aic7xxx_detect_complete;
extern struct scsi_host_template aic7xxx_driver_template;
/***************************** Bus Space/DMA **********************************/

3
drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
View File

@ -208,8 +208,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return (-error);
}
pci_set_drvdata(pdev, ahc);
if (aic7xxx_detect_complete)
ahc_linux_register_host(ahc, &aic7xxx_driver_template);
ahc_linux_register_host(ahc, &aic7xxx_driver_template);
return (0);
}