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| author | Dan Williams <dan.j.williams@intel.com> | 2012-02-25 23:29:49 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2012-05-17 21:27:13 +0200 |
| commit | d1dc5e2d21a55538167d7ce82aa147c91c5e6788 (patch) | |
| tree | b63ebbe0267506d1f355a987229ea18cd0807670 /drivers/scsi/isci | |
| parent | isci: fix interrupt disable (diff) | |
| download | linux-d1dc5e2d21a55538167d7ce82aa147c91c5e6788.tar.xz linux-d1dc5e2d21a55538167d7ce82aa147c91c5e6788.zip | |
isci: kill isci_host.shost
We can retrieve the shost from the sas_ha like the rest of libsas and
drop this out of our local data structure.
Acked-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci')
| -rw-r--r-- | drivers/scsi/isci/host.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/isci/init.c | 16 |
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 9701c1d673ba..7272a0a375f2 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -203,7 +203,6 @@ struct isci_host { #define IHOST_IRQ_ENABLED 2 unsigned long flags; wait_queue_head_t eventq; - struct Scsi_Host *shost; struct tasklet_struct completion_tasklet; struct list_head requests_to_complete; struct list_head requests_to_errorback; @@ -308,6 +307,11 @@ static inline struct isci_pci_info *to_pci_info(struct pci_dev *pdev) return pci_get_drvdata(pdev); } +static inline struct Scsi_Host *to_shost(struct isci_host *ihost) +{ + return ihost->sas_ha.core.shost; +} + #define for_each_isci_host(id, ihost, pdev) \ for (id = 0, ihost = to_pci_info(pdev)->hosts[id]; \ id < ARRAY_SIZE(to_pci_info(pdev)->hosts) && ihost; \ diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index eda43851cc98..fdae42f572b6 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -271,13 +271,12 @@ static void isci_unregister(struct isci_host *isci_host) if (!isci_host) return; - shost = isci_host->shost; - sas_unregister_ha(&isci_host->sas_ha); - sas_remove_host(isci_host->shost); - scsi_remove_host(isci_host->shost); - scsi_host_put(isci_host->shost); + shost = to_shost(isci_host); + sas_remove_host(shost); + scsi_remove_host(shost); + scsi_host_put(shost); } static int __devinit isci_pci_init(struct pci_dev *pdev) @@ -578,7 +577,6 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) shost = scsi_host_alloc(&isci_sht, sizeof(void *)); if (!shost) return NULL; - ihost->shost = shost; dev_info(&pdev->dev, "%sSCU controller %d: phy 3-0 cables: " "{%s, %s, %s, %s}\n", @@ -690,11 +688,11 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic pci_info->hosts[i] = h; /* turn on DIF support */ - scsi_host_set_prot(h->shost, + scsi_host_set_prot(to_shost(h), SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION); - scsi_host_set_guard(h->shost, SHOST_DIX_GUARD_CRC); + scsi_host_set_guard(to_shost(h), SHOST_DIX_GUARD_CRC); } err = isci_setup_interrupts(pdev); @@ -702,7 +700,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic goto err_host_alloc; for_each_isci_host(i, isci_host, pdev) - scsi_scan_host(isci_host->shost); + scsi_scan_host(to_shost(isci_host)); return 0; |