Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[linux-drm-fsl-dcu.git] / drivers / scsi / aic94xx / aic94xx_init.c

diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 57c5ba4043f29f99c9410ce039114bc2edc94134..bc7744e35ad0369a27d7e3b38a3e0048bf047ce2 100644 (file)
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -38,7 +38,7 @@
 #include "aic94xx_seq.h"
 
 /* The format is "version.release.patchlevel" */
-#define ASD_DRIVER_VERSION "1.0.2"
+#define ASD_DRIVER_VERSION "1.0.3"
 
 static int use_msi = 0;
 module_param_named(use_msi, use_msi, int, S_IRUGO);
@@ -57,6 +57,8 @@ MODULE_PARM_DESC(collector, "\n"
 char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
 
 static struct scsi_transport_template *aic94xx_transport_template;
+static int asd_scan_finished(struct Scsi_Host *, unsigned long);
+static void asd_scan_start(struct Scsi_Host *);
 
 static struct scsi_host_template aic94xx_sht = {
        .module                 = THIS_MODULE,
@@ -66,6 +68,8 @@ static struct scsi_host_template aic94xx_sht = {
        .target_alloc           = sas_target_alloc,
        .slave_configure        = sas_slave_configure,
        .slave_destroy          = sas_slave_destroy,
+       .scan_finished          = asd_scan_finished,
+       .scan_start             = asd_scan_start,
        .change_queue_depth     = sas_change_queue_depth,
        .change_queue_type      = sas_change_queue_type,
        .bios_param             = sas_bios_param,
@@ -75,6 +79,8 @@ static struct scsi_host_template aic94xx_sht = {
        .sg_tablesize           = SG_ALL,
        .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
        .use_clustering         = ENABLE_CLUSTERING,
+       .eh_device_reset_handler        = sas_eh_device_reset_handler,
+       .eh_bus_reset_handler   = sas_eh_bus_reset_handler,
 };
 
 static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
@@ -234,7 +240,7 @@ static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
        }
        /* Provide some sane default values. */
        asd_ha->hw_prof.max_scbs = 512;
-       asd_ha->hw_prof.max_ddbs = 128;
+       asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
        asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
        /* All phys are enabled, by default. */
        asd_ha->hw_prof.enabled_phys = 0xFF;
@@ -450,8 +456,8 @@ static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
        asd_ha->scb_pool = NULL;
 }
 
-kmem_cache_t *asd_dma_token_cache;
-kmem_cache_t *asd_ascb_cache;
+struct kmem_cache *asd_dma_token_cache;
+struct kmem_cache *asd_ascb_cache;
 
 static int asd_create_global_caches(void)
 {
@@ -526,6 +532,7 @@ static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
        asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
 
        asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
+       asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num;
 
        return sas_register_ha(&asd_ha->sas_ha);
 }
@@ -671,21 +678,10 @@ static int __devinit asd_pci_probe(struct pci_dev *dev,
        if (err)
                goto Err_reg_sas;
 
-       err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
-       if (err) {
-               asd_printk("coudln't enable phys, err:%d\n", err);
-               goto Err_en_phys;
-       }
-       ASD_DPRINTK("enabled phys\n");
-       /* give the phy enabling interrupt event time to come in (1s
-        * is empirically about all it takes) */
-       ssleep(1);
-       /* Wait for discovery to finish */
-       scsi_flush_work(asd_ha->sas_ha.core.shost);
+       scsi_scan_host(shost);
 
        return 0;
-Err_en_phys:
-       asd_unregister_sas_ha(asd_ha);
+
 Err_reg_sas:
        asd_remove_dev_attrs(asd_ha);
 Err_dev_attrs:
@@ -724,6 +720,15 @@ static void asd_free_queues(struct asd_ha_struct *asd_ha)
 
        list_for_each_safe(pos, n, &pending) {
                struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
+               /*
+                * Delete unexpired ascb timers.  This may happen if we issue
+                * a CONTROL PHY scb to an adapter and rmmod before the scb
+                * times out.  Apparently we don't wait for the CONTROL PHY
+                * to complete, so it doesn't matter if we kill the timer.
+                */
+               del_timer_sync(&ascb->timer);
+               WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
+
                list_del_init(pos);
                ASD_DPRINTK("freeing from pending\n");
                asd_ascb_free(ascb);
@@ -769,6 +774,28 @@ static void __devexit asd_pci_remove(struct pci_dev *dev)
        return;
 }
 
+static void asd_scan_start(struct Scsi_Host *shost)
+{
+       struct asd_ha_struct *asd_ha;
+       int err;
+
+       asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
+       err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
+       if (err)
+               asd_printk("Couldn't enable phys, err:%d\n", err);
+}
+
+static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+       /* give the phy enabling interrupt event time to come in (1s
+        * is empirically about all it takes) */
+       if (time < HZ)
+               return 0;
+       /* Wait for discovery to finish */
+       scsi_flush_work(shost);
+       return 1;
+}
+
 static ssize_t asd_version_show(struct device_driver *driver, char *buf)
 {
        return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
@@ -876,6 +903,7 @@ static void __exit aic94xx_exit(void)
        asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
        pci_unregister_driver(&aic94xx_pci_driver);
        sas_release_transport(aic94xx_transport_template);
+       asd_release_firmware();
        asd_destroy_global_caches();
        asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
                   ASD_DRIVER_VERSION);