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scsi: libsas: Delete lldd_clear_aca callback
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This callback is never called, so remove support.

Link: https://lore.kernel.org/r/1645112566-115804-4-git-send-email-john.garry@huawei.com
Tested-by: Yihang Li <liyihang6@hisilicon.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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John Garry authored and Martin K. Petersen committed Feb 19, 2022
1 parent 1d6049a commit 25882c8
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Showing 15 changed files with 0 additions and 72 deletions.
2 changes: 0 additions & 2 deletions Documentation/scsi/libsas.rst
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Expand Up @@ -207,7 +207,6 @@ Management Functions (TMFs) described in SAM::
/* Task Management Functions. Must be called from process context. */
int (*lldd_abort_task)(struct sas_task *);
int (*lldd_abort_task_set)(struct domain_device *, u8 *lun);
int (*lldd_clear_aca)(struct domain_device *, u8 *lun);
int (*lldd_clear_task_set)(struct domain_device *, u8 *lun);
int (*lldd_I_T_nexus_reset)(struct domain_device *);
int (*lldd_lu_reset)(struct domain_device *, u8 *lun);
Expand Down Expand Up @@ -262,7 +261,6 @@ can look like this (called last thing from probe())

my_ha->sas_ha.lldd_abort_task = my_abort_task;
my_ha->sas_ha.lldd_abort_task_set = my_abort_task_set;
my_ha->sas_ha.lldd_clear_aca = my_clear_aca;
my_ha->sas_ha.lldd_clear_task_set = my_clear_task_set;
my_ha->sas_ha.lldd_I_T_nexus_reset= NULL; (2)
my_ha->sas_ha.lldd_lu_reset = my_lu_reset;
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1 change: 0 additions & 1 deletion drivers/scsi/aic94xx/aic94xx.h
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Expand Up @@ -60,7 +60,6 @@ void asd_set_dmamode(struct domain_device *dev);
/* ---------- TMFs ---------- */
int asd_abort_task(struct sas_task *);
int asd_abort_task_set(struct domain_device *, u8 *lun);
int asd_clear_aca(struct domain_device *, u8 *lun);
int asd_clear_task_set(struct domain_device *, u8 *lun);
int asd_lu_reset(struct domain_device *, u8 *lun);
int asd_I_T_nexus_reset(struct domain_device *dev);
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1 change: 0 additions & 1 deletion drivers/scsi/aic94xx/aic94xx_init.c
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Expand Up @@ -960,7 +960,6 @@ static struct sas_domain_function_template aic94xx_transport_functions = {

.lldd_abort_task = asd_abort_task,
.lldd_abort_task_set = asd_abort_task_set,
.lldd_clear_aca = asd_clear_aca,
.lldd_clear_task_set = asd_clear_task_set,
.lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
.lldd_lu_reset = asd_lu_reset,
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9 changes: 0 additions & 9 deletions drivers/scsi/aic94xx/aic94xx_tmf.c
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Expand Up @@ -644,15 +644,6 @@ int asd_abort_task_set(struct domain_device *dev, u8 *lun)
return res;
}

int asd_clear_aca(struct domain_device *dev, u8 *lun)
{
int res = asd_initiate_ssp_tmf(dev, lun, TMF_CLEAR_ACA, 0);

if (res == TMF_RESP_FUNC_COMPLETE)
asd_clear_nexus_I_T_L(dev, lun);
return res;
}

int asd_clear_task_set(struct domain_device *dev, u8 *lun)
{
int res = asd_initiate_ssp_tmf(dev, lun, TMF_CLEAR_TASK_SET, 0);
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12 changes: 0 additions & 12 deletions drivers/scsi/hisi_sas/hisi_sas_main.c
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Expand Up @@ -1793,17 +1793,6 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
return rc;
}

static int hisi_sas_clear_aca(struct domain_device *device, u8 *lun)
{
struct hisi_sas_tmf_task tmf_task;
int rc;

tmf_task.tmf = TMF_CLEAR_ACA;
rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);

return rc;
}

#define I_T_NEXUS_RESET_PHYUP_TIMEOUT (2 * HZ)

static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
Expand Down Expand Up @@ -2333,7 +2322,6 @@ static struct sas_domain_function_template hisi_sas_transport_ops = {
.lldd_control_phy = hisi_sas_control_phy,
.lldd_abort_task = hisi_sas_abort_task,
.lldd_abort_task_set = hisi_sas_abort_task_set,
.lldd_clear_aca = hisi_sas_clear_aca,
.lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset,
.lldd_lu_reset = hisi_sas_lu_reset,
.lldd_query_task = hisi_sas_query_task,
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1 change: 0 additions & 1 deletion drivers/scsi/isci/init.c
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Expand Up @@ -193,7 +193,6 @@ static struct sas_domain_function_template isci_transport_ops = {
/* Task Management Functions. Must be called from process context. */
.lldd_abort_task = isci_task_abort_task,
.lldd_abort_task_set = isci_task_abort_task_set,
.lldd_clear_aca = isci_task_clear_aca,
.lldd_clear_task_set = isci_task_clear_task_set,
.lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset,
.lldd_lu_reset = isci_task_lu_reset,
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18 changes: 0 additions & 18 deletions drivers/scsi/isci/task.c
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Expand Up @@ -620,24 +620,6 @@ int isci_task_abort_task_set(
}


/**
* isci_task_clear_aca() - This function is one of the SAS Domain Template
* functions. This is one of the Task Management functoins called by libsas.
* @d_device: This parameter specifies the domain device associated with this
* request.
* @lun: This parameter specifies the lun associated with this request.
*
* status, zero indicates success.
*/
int isci_task_clear_aca(
struct domain_device *d_device,
u8 *lun)
{
return TMF_RESP_FUNC_FAILED;
}



/**
* isci_task_clear_task_set() - This function is one of the SAS Domain Template
* functions. This is one of the Task Management functoins called by libsas.
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4 changes: 0 additions & 4 deletions drivers/scsi/isci/task.h
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Expand Up @@ -140,10 +140,6 @@ int isci_task_abort_task_set(
struct domain_device *d_device,
u8 *lun);

int isci_task_clear_aca(
struct domain_device *d_device,
u8 *lun);

int isci_task_clear_task_set(
struct domain_device *d_device,
u8 *lun);
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1 change: 0 additions & 1 deletion drivers/scsi/mvsas/mv_init.c
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Expand Up @@ -64,7 +64,6 @@ static struct sas_domain_function_template mvs_transport_ops = {

.lldd_abort_task = mvs_abort_task,
.lldd_abort_task_set = mvs_abort_task_set,
.lldd_clear_aca = mvs_clear_aca,
.lldd_clear_task_set = mvs_clear_task_set,
.lldd_I_T_nexus_reset = mvs_I_T_nexus_reset,
.lldd_lu_reset = mvs_lu_reset,
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11 changes: 0 additions & 11 deletions drivers/scsi/mvsas/mv_sas.c
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Expand Up @@ -1550,17 +1550,6 @@ int mvs_abort_task_set(struct domain_device *dev, u8 *lun)
return rc;
}

int mvs_clear_aca(struct domain_device *dev, u8 *lun)
{
int rc = TMF_RESP_FUNC_FAILED;
struct mvs_tmf_task tmf_task;

tmf_task.tmf = TMF_CLEAR_ACA;
rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);

return rc;
}

int mvs_clear_task_set(struct domain_device *dev, u8 *lun)
{
int rc = TMF_RESP_FUNC_FAILED;
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1 change: 0 additions & 1 deletion drivers/scsi/mvsas/mv_sas.h
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Expand Up @@ -441,7 +441,6 @@ int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time);
int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags);
int mvs_abort_task(struct sas_task *task);
int mvs_abort_task_set(struct domain_device *dev, u8 *lun);
int mvs_clear_aca(struct domain_device *dev, u8 *lun);
int mvs_clear_task_set(struct domain_device *dev, u8 * lun);
void mvs_port_formed(struct asd_sas_phy *sas_phy);
void mvs_port_deformed(struct asd_sas_phy *sas_phy);
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1 change: 0 additions & 1 deletion drivers/scsi/pm8001/pm8001_init.c
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Expand Up @@ -123,7 +123,6 @@ static struct sas_domain_function_template pm8001_transport_ops = {

.lldd_abort_task = pm8001_abort_task,
.lldd_abort_task_set = pm8001_abort_task_set,
.lldd_clear_aca = pm8001_clear_aca,
.lldd_clear_task_set = pm8001_clear_task_set,
.lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset,
.lldd_lu_reset = pm8001_lu_reset,
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8 changes: 0 additions & 8 deletions drivers/scsi/pm8001/pm8001_sas.c
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Expand Up @@ -1358,14 +1358,6 @@ int pm8001_abort_task_set(struct domain_device *dev, u8 *lun)
return pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
}

int pm8001_clear_aca(struct domain_device *dev, u8 *lun)
{
struct pm8001_tmf_task tmf_task;

tmf_task.tmf = TMF_CLEAR_ACA;
return pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
}

int pm8001_clear_task_set(struct domain_device *dev, u8 *lun)
{
struct pm8001_tmf_task tmf_task;
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1 change: 0 additions & 1 deletion drivers/scsi/pm8001/pm8001_sas.h
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Expand Up @@ -649,7 +649,6 @@ int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
int pm8001_abort_task(struct sas_task *task);
int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
int pm8001_dev_found(struct domain_device *dev);
void pm8001_dev_gone(struct domain_device *dev);
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1 change: 0 additions & 1 deletion include/scsi/libsas.h
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Expand Up @@ -636,7 +636,6 @@ struct sas_domain_function_template {
/* Task Management Functions. Must be called from process context. */
int (*lldd_abort_task)(struct sas_task *);
int (*lldd_abort_task_set)(struct domain_device *, u8 *lun);
int (*lldd_clear_aca)(struct domain_device *, u8 *lun);
int (*lldd_clear_task_set)(struct domain_device *, u8 *lun);
int (*lldd_I_T_nexus_reset)(struct domain_device *);
int (*lldd_ata_check_ready)(struct domain_device *);
Expand Down

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