diff mbox series

[v3,6/8] scsi: libsas: use sas_phy_match_dev_addr() instead of open coded

Message ID 20220927022941.4029476-7-yanaijie@huawei.com (mailing list archive)
State Superseded
Headers show
Series scsi: libsas: sas address comparation refactor | expand

Commit Message

Jason Yan Sept. 27, 2022, 2:29 a.m. UTC
The sas address comparation of domain device and expander phy is open
coded. Now we can replace it with sas_phy_match_dev_addr().

Signed-off-by: Jason Yan <yanaijie@huawei.com>
---
 drivers/scsi/libsas/sas_expander.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

Comments

Damien Le Moal Sept. 27, 2022, 2:30 a.m. UTC | #1
On 9/27/22 11:29, Jason Yan wrote:
> The sas address comparation of domain device and expander phy is open
> coded. Now we can replace it with sas_phy_match_dev_addr().
> 
> Signed-off-by: Jason Yan <yanaijie@huawei.com>
> ---
>  drivers/scsi/libsas/sas_expander.c | 18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
> index df5a64ad902f..b2b5103c3e76 100644
> --- a/drivers/scsi/libsas/sas_expander.c
> +++ b/drivers/scsi/libsas/sas_expander.c
> @@ -738,9 +738,7 @@ static void sas_ex_get_linkrate(struct domain_device *parent,
>  		    phy->phy_state == PHY_NOT_PRESENT)
>  			continue;
>  
> -		if (SAS_ADDR(phy->attached_sas_addr) ==
> -		    SAS_ADDR(child->sas_addr)) {
> -
> +		if (sas_phy_match_dev_addr(child, phy)) {
>  			child->min_linkrate = min(parent->min_linkrate,
>  						  phy->linkrate);
>  			child->max_linkrate = max(parent->max_linkrate,
> @@ -1012,8 +1010,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
>  		sas_add_parent_port(dev, phy_id);
>  		return 0;
>  	}
> -	if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
> -			    SAS_ADDR(dev->parent->sas_addr))) {
> +	if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
>  		sas_add_parent_port(dev, phy_id);
>  		if (ex_phy->routing_attr == TABLE_ROUTING)
>  			sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
> @@ -1312,7 +1309,7 @@ static int sas_check_parent_topology(struct domain_device *child)
>  		    parent_phy->phy_state == PHY_NOT_PRESENT)
>  			continue;
>  
> -		if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr))
> +		if (sas_phy_match_dev_addr(child, parent_phy))

This changes the test. This should be:

		if (!sas_phy_match_dev_addr(child, parent_phy))

No ?

>  			continue;
>  
>  		child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id];
> @@ -1522,8 +1519,7 @@ static int sas_configure_parent(struct domain_device *parent,
>  		struct ex_phy *phy = &ex_parent->ex_phy[i];
>  
>  		if ((phy->routing_attr == TABLE_ROUTING) &&
> -		    (SAS_ADDR(phy->attached_sas_addr) ==
> -		     SAS_ADDR(child->sas_addr))) {
> +		    sas_phy_match_dev_addr(child, phy)) {
>  			res = sas_configure_phy(parent, i, sas_addr, include);
>  			if (res)
>  				return res;
> @@ -1858,8 +1854,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
>  	if (last) {
>  		list_for_each_entry_safe(child, n,
>  			&ex_dev->children, siblings) {
> -			if (SAS_ADDR(child->sas_addr) ==
> -			    SAS_ADDR(phy->attached_sas_addr)) {
> +			if (sas_phy_match_dev_addr(child, phy)) {
>  				set_bit(SAS_DEV_GONE, &child->state);
>  				if (dev_is_expander(child->dev_type))
>  					sas_unregister_ex_tree(parent->port, child);
> @@ -1941,8 +1936,7 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
>  	if (res)
>  		return res;
>  	list_for_each_entry(child, &dev->ex_dev.children, siblings) {
> -		if (SAS_ADDR(child->sas_addr) ==
> -		    SAS_ADDR(ex_phy->attached_sas_addr)) {
> +		if (sas_phy_match_dev_addr(child, ex_phy)) {
>  			if (dev_is_expander(child->dev_type))
>  				res = sas_discover_bfs_by_root(child);
>  			break;
Jason Yan Sept. 27, 2022, 2:35 a.m. UTC | #2
On 2022/9/27 10:30, Damien Le Moal wrote:
> On 9/27/22 11:29, Jason Yan wrote:
>> The sas address comparation of domain device and expander phy is open
>> coded. Now we can replace it with sas_phy_match_dev_addr().
>>
>> Signed-off-by: Jason Yan <yanaijie@huawei.com>
>> ---
>>   drivers/scsi/libsas/sas_expander.c | 18 ++++++------------
>>   1 file changed, 6 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
>> index df5a64ad902f..b2b5103c3e76 100644
>> --- a/drivers/scsi/libsas/sas_expander.c
>> +++ b/drivers/scsi/libsas/sas_expander.c
>> @@ -738,9 +738,7 @@ static void sas_ex_get_linkrate(struct domain_device *parent,
>>   		    phy->phy_state == PHY_NOT_PRESENT)
>>   			continue;
>>   
>> -		if (SAS_ADDR(phy->attached_sas_addr) ==
>> -		    SAS_ADDR(child->sas_addr)) {
>> -
>> +		if (sas_phy_match_dev_addr(child, phy)) {
>>   			child->min_linkrate = min(parent->min_linkrate,
>>   						  phy->linkrate);
>>   			child->max_linkrate = max(parent->max_linkrate,
>> @@ -1012,8 +1010,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
>>   		sas_add_parent_port(dev, phy_id);
>>   		return 0;
>>   	}
>> -	if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
>> -			    SAS_ADDR(dev->parent->sas_addr))) {
>> +	if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
>>   		sas_add_parent_port(dev, phy_id);
>>   		if (ex_phy->routing_attr == TABLE_ROUTING)
>>   			sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
>> @@ -1312,7 +1309,7 @@ static int sas_check_parent_topology(struct domain_device *child)
>>   		    parent_phy->phy_state == PHY_NOT_PRESENT)
>>   			continue;
>>   
>> -		if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr))
>> +		if (sas_phy_match_dev_addr(child, parent_phy))
> 
> This changes the test. This should be:
> 
> 		if (!sas_phy_match_dev_addr(child, parent_phy))
> 
> No ?

Oh yes, my mistake. Thank you so much to point that out. Will fix.

Thanks,
Jason

> 
>>   			continue;
>>   
>>   		child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id];
>> @@ -1522,8 +1519,7 @@ static int sas_configure_parent(struct domain_device *parent,
>>   		struct ex_phy *phy = &ex_parent->ex_phy[i];
>>   
>>   		if ((phy->routing_attr == TABLE_ROUTING) &&
>> -		    (SAS_ADDR(phy->attached_sas_addr) ==
>> -		     SAS_ADDR(child->sas_addr))) {
>> +		    sas_phy_match_dev_addr(child, phy)) {
>>   			res = sas_configure_phy(parent, i, sas_addr, include);
>>   			if (res)
>>   				return res;
>> @@ -1858,8 +1854,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
>>   	if (last) {
>>   		list_for_each_entry_safe(child, n,
>>   			&ex_dev->children, siblings) {
>> -			if (SAS_ADDR(child->sas_addr) ==
>> -			    SAS_ADDR(phy->attached_sas_addr)) {
>> +			if (sas_phy_match_dev_addr(child, phy)) {
>>   				set_bit(SAS_DEV_GONE, &child->state);
>>   				if (dev_is_expander(child->dev_type))
>>   					sas_unregister_ex_tree(parent->port, child);
>> @@ -1941,8 +1936,7 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
>>   	if (res)
>>   		return res;
>>   	list_for_each_entry(child, &dev->ex_dev.children, siblings) {
>> -		if (SAS_ADDR(child->sas_addr) ==
>> -		    SAS_ADDR(ex_phy->attached_sas_addr)) {
>> +		if (sas_phy_match_dev_addr(child, ex_phy)) {
>>   			if (dev_is_expander(child->dev_type))
>>   				res = sas_discover_bfs_by_root(child);
>>   			break;
>
diff mbox series

Patch

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index df5a64ad902f..b2b5103c3e76 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -738,9 +738,7 @@  static void sas_ex_get_linkrate(struct domain_device *parent,
 		    phy->phy_state == PHY_NOT_PRESENT)
 			continue;
 
-		if (SAS_ADDR(phy->attached_sas_addr) ==
-		    SAS_ADDR(child->sas_addr)) {
-
+		if (sas_phy_match_dev_addr(child, phy)) {
 			child->min_linkrate = min(parent->min_linkrate,
 						  phy->linkrate);
 			child->max_linkrate = max(parent->max_linkrate,
@@ -1012,8 +1010,7 @@  static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 		sas_add_parent_port(dev, phy_id);
 		return 0;
 	}
-	if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
-			    SAS_ADDR(dev->parent->sas_addr))) {
+	if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
 		sas_add_parent_port(dev, phy_id);
 		if (ex_phy->routing_attr == TABLE_ROUTING)
 			sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
@@ -1312,7 +1309,7 @@  static int sas_check_parent_topology(struct domain_device *child)
 		    parent_phy->phy_state == PHY_NOT_PRESENT)
 			continue;
 
-		if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr))
+		if (sas_phy_match_dev_addr(child, parent_phy))
 			continue;
 
 		child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id];
@@ -1522,8 +1519,7 @@  static int sas_configure_parent(struct domain_device *parent,
 		struct ex_phy *phy = &ex_parent->ex_phy[i];
 
 		if ((phy->routing_attr == TABLE_ROUTING) &&
-		    (SAS_ADDR(phy->attached_sas_addr) ==
-		     SAS_ADDR(child->sas_addr))) {
+		    sas_phy_match_dev_addr(child, phy)) {
 			res = sas_configure_phy(parent, i, sas_addr, include);
 			if (res)
 				return res;
@@ -1858,8 +1854,7 @@  static void sas_unregister_devs_sas_addr(struct domain_device *parent,
 	if (last) {
 		list_for_each_entry_safe(child, n,
 			&ex_dev->children, siblings) {
-			if (SAS_ADDR(child->sas_addr) ==
-			    SAS_ADDR(phy->attached_sas_addr)) {
+			if (sas_phy_match_dev_addr(child, phy)) {
 				set_bit(SAS_DEV_GONE, &child->state);
 				if (dev_is_expander(child->dev_type))
 					sas_unregister_ex_tree(parent->port, child);
@@ -1941,8 +1936,7 @@  static int sas_discover_new(struct domain_device *dev, int phy_id)
 	if (res)
 		return res;
 	list_for_each_entry(child, &dev->ex_dev.children, siblings) {
-		if (SAS_ADDR(child->sas_addr) ==
-		    SAS_ADDR(ex_phy->attached_sas_addr)) {
+		if (sas_phy_match_dev_addr(child, ex_phy)) {
 			if (dev_is_expander(child->dev_type))
 				res = sas_discover_bfs_by_root(child);
 			break;