diff mbox

[v2,RESEND,18/23] pm8001: Use pci_enable_msix_exact() instead of pci_enable_msix()

Message ID 9bfa1f22a2a59814a4d520bbcce6eba1b6979b31.1405533479.git.agordeev@redhat.com
State Not Applicable
Headers show

Commit Message

Alexander Gordeev July 16, 2014, 6:05 p.m. UTC
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range()  or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: xjtuwjp@gmail.com
Cc: lindar_liu@usish.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
---
 drivers/scsi/pm8001/pm8001_init.c |   39 +++++++++++++++++++------------------
 1 files changed, 20 insertions(+), 19 deletions(-)

Comments

Alexander Gordeev July 26, 2014, 8:33 a.m. UTC | #1
On Wed, Jul 16, 2014 at 08:05:22PM +0200, Alexander Gordeev wrote:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enable_msi_range()  or pci_enable_msi_exact()
> and pci_enable_msix_range() or pci_enable_msix_exact()
> interfaces.

Hi Jack, Lindar,

Could you please review this patch?

Thanks!

> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
> Cc: xjtuwjp@gmail.com
> Cc: lindar_liu@usish.com
> Cc: linux-scsi@vger.kernel.org
> Cc: linux-pci@vger.kernel.org
> ---
>  drivers/scsi/pm8001/pm8001_init.c |   39 +++++++++++++++++++------------------
>  1 files changed, 20 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
> index e837ece..4057c24 100644
> --- a/drivers/scsi/pm8001/pm8001_init.c
> +++ b/drivers/scsi/pm8001/pm8001_init.c
> @@ -729,34 +729,35 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
>  		sizeof(pm8001_ha->msix_entries[0]);
>  	for (i = 0; i < max_entry ; i++)
>  		pm8001_ha->msix_entries[i].entry = i;
> -	rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries,
> +	rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
>  		number_of_intr);
>  	pm8001_ha->number_of_intr = number_of_intr;
> -	if (!rc) {
> -		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
> -			"pci_enable_msix request ret:%d no of intr %d\n",
> -					rc, pm8001_ha->number_of_intr));
> +	if (rc)
> +		return rc;
>  
> +	PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
> +		"pci_enable_msix_exact request ret:%d no of intr %d\n",
> +				rc, pm8001_ha->number_of_intr));
>  
> -		for (i = 0; i < number_of_intr; i++) {
> -			snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
> -					DRV_NAME"%d", i);
> -			pm8001_ha->irq_vector[i].irq_id = i;
> -			pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
> +	for (i = 0; i < number_of_intr; i++) {
> +		snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
> +				DRV_NAME"%d", i);
> +		pm8001_ha->irq_vector[i].irq_id = i;
> +		pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
>  
> -			rc = request_irq(pm8001_ha->msix_entries[i].vector,
> -				pm8001_interrupt_handler_msix, flag,
> -				intr_drvname[i], &(pm8001_ha->irq_vector[i]));
> -			if (rc) {
> -				for (j = 0; j < i; j++)
> -					free_irq(
> -					pm8001_ha->msix_entries[j].vector,
> +		rc = request_irq(pm8001_ha->msix_entries[i].vector,
> +			pm8001_interrupt_handler_msix, flag,
> +			intr_drvname[i], &(pm8001_ha->irq_vector[i]));
> +		if (rc) {
> +			for (j = 0; j < i; j++) {
> +				free_irq(pm8001_ha->msix_entries[j].vector,
>  					&(pm8001_ha->irq_vector[i]));
> -				pci_disable_msix(pm8001_ha->pdev);
> -				break;
>  			}
> +			pci_disable_msix(pm8001_ha->pdev);
> +			break;
>  		}
>  	}
> +
>  	return rc;
>  }
>  #endif
> -- 
> 1.7.7.6
>
Jack Wang July 27, 2014, 10:29 a.m. UTC | #2
Hi Alex,

Looks Ok for me.
Please feel free to add my:
Reviewed-by: Jack Wang <xjtuwjp@gmail.com>

Thanks,
Jack

2014-07-26 10:33 GMT+02:00 Alexander Gordeev <agordeev@redhat.com>:
> On Wed, Jul 16, 2014 at 08:05:22PM +0200, Alexander Gordeev wrote:
>> As result of deprecation of MSI-X/MSI enablement functions
>> pci_enable_msix() and pci_enable_msi_block() all drivers
>> using these two interfaces need to be updated to use the
>> new pci_enable_msi_range()  or pci_enable_msi_exact()
>> and pci_enable_msix_range() or pci_enable_msix_exact()
>> interfaces.
>
> Hi Jack, Lindar,
>
> Could you please review this patch?
>
> Thanks!
>
>> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
>> Cc: xjtuwjp@gmail.com
>> Cc: lindar_liu@usish.com
>> Cc: linux-scsi@vger.kernel.org
>> Cc: linux-pci@vger.kernel.org
>> ---
>>  drivers/scsi/pm8001/pm8001_init.c |   39 +++++++++++++++++++------------------
>>  1 files changed, 20 insertions(+), 19 deletions(-)
>>
>> diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
>> index e837ece..4057c24 100644
>> --- a/drivers/scsi/pm8001/pm8001_init.c
>> +++ b/drivers/scsi/pm8001/pm8001_init.c
>> @@ -729,34 +729,35 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
>>               sizeof(pm8001_ha->msix_entries[0]);
>>       for (i = 0; i < max_entry ; i++)
>>               pm8001_ha->msix_entries[i].entry = i;
>> -     rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries,
>> +     rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
>>               number_of_intr);
>>       pm8001_ha->number_of_intr = number_of_intr;
>> -     if (!rc) {
>> -             PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
>> -                     "pci_enable_msix request ret:%d no of intr %d\n",
>> -                                     rc, pm8001_ha->number_of_intr));
>> +     if (rc)
>> +             return rc;
>>
>> +     PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
>> +             "pci_enable_msix_exact request ret:%d no of intr %d\n",
>> +                             rc, pm8001_ha->number_of_intr));
>>
>> -             for (i = 0; i < number_of_intr; i++) {
>> -                     snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
>> -                                     DRV_NAME"%d", i);
>> -                     pm8001_ha->irq_vector[i].irq_id = i;
>> -                     pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
>> +     for (i = 0; i < number_of_intr; i++) {
>> +             snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
>> +                             DRV_NAME"%d", i);
>> +             pm8001_ha->irq_vector[i].irq_id = i;
>> +             pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
>>
>> -                     rc = request_irq(pm8001_ha->msix_entries[i].vector,
>> -                             pm8001_interrupt_handler_msix, flag,
>> -                             intr_drvname[i], &(pm8001_ha->irq_vector[i]));
>> -                     if (rc) {
>> -                             for (j = 0; j < i; j++)
>> -                                     free_irq(
>> -                                     pm8001_ha->msix_entries[j].vector,
>> +             rc = request_irq(pm8001_ha->msix_entries[i].vector,
>> +                     pm8001_interrupt_handler_msix, flag,
>> +                     intr_drvname[i], &(pm8001_ha->irq_vector[i]));
>> +             if (rc) {
>> +                     for (j = 0; j < i; j++) {
>> +                             free_irq(pm8001_ha->msix_entries[j].vector,
>>                                       &(pm8001_ha->irq_vector[i]));
>> -                             pci_disable_msix(pm8001_ha->pdev);
>> -                             break;
>>                       }
>> +                     pci_disable_msix(pm8001_ha->pdev);
>> +                     break;
>>               }
>>       }
>> +
>>       return rc;
>>  }
>>  #endif
>> --
>> 1.7.7.6
>>
>
> --
> Regards,
> Alexander Gordeev
> agordeev@redhat.com
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diff mbox

Patch

diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index e837ece..4057c24 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -729,34 +729,35 @@  static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
 		sizeof(pm8001_ha->msix_entries[0]);
 	for (i = 0; i < max_entry ; i++)
 		pm8001_ha->msix_entries[i].entry = i;
-	rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries,
+	rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
 		number_of_intr);
 	pm8001_ha->number_of_intr = number_of_intr;
-	if (!rc) {
-		PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
-			"pci_enable_msix request ret:%d no of intr %d\n",
-					rc, pm8001_ha->number_of_intr));
+	if (rc)
+		return rc;
 
+	PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
+		"pci_enable_msix_exact request ret:%d no of intr %d\n",
+				rc, pm8001_ha->number_of_intr));
 
-		for (i = 0; i < number_of_intr; i++) {
-			snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
-					DRV_NAME"%d", i);
-			pm8001_ha->irq_vector[i].irq_id = i;
-			pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
+	for (i = 0; i < number_of_intr; i++) {
+		snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
+				DRV_NAME"%d", i);
+		pm8001_ha->irq_vector[i].irq_id = i;
+		pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
 
-			rc = request_irq(pm8001_ha->msix_entries[i].vector,
-				pm8001_interrupt_handler_msix, flag,
-				intr_drvname[i], &(pm8001_ha->irq_vector[i]));
-			if (rc) {
-				for (j = 0; j < i; j++)
-					free_irq(
-					pm8001_ha->msix_entries[j].vector,
+		rc = request_irq(pm8001_ha->msix_entries[i].vector,
+			pm8001_interrupt_handler_msix, flag,
+			intr_drvname[i], &(pm8001_ha->irq_vector[i]));
+		if (rc) {
+			for (j = 0; j < i; j++) {
+				free_irq(pm8001_ha->msix_entries[j].vector,
 					&(pm8001_ha->irq_vector[i]));
-				pci_disable_msix(pm8001_ha->pdev);
-				break;
 			}
+			pci_disable_msix(pm8001_ha->pdev);
+			break;
 		}
 	}
+
 	return rc;
 }
 #endif