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* [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code
@ 2019-12-19  0:44 Bart Van Assche
  2019-12-19  8:09 ` Daniel Wagner
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Bart Van Assche @ 2019-12-19  0:44 UTC (permalink / raw)
  To: Martin K . Petersen, James E . J . Bottomley
  Cc: linux-scsi, Christoph Hellwig, Bart Van Assche, Himanshu Madhani,
	Quinn Tran, Martin Wilck, Daniel Wagner, Roman Bolshakov

This patch fixes the following sparse warnings:

drivers/scsi/qla2xxx/qla_mbx.c:120:21: warning: restricted pci_channel_state_t degrades to integer
drivers/scsi/qla2xxx/qla_mbx.c:120:37: warning: restricted pci_channel_state_t degrades to integer

This patch does not change any functionality. From include/linux/pci.h:

enum pci_channel_state {
	/* I/O channel is in normal state */
	pci_channel_io_normal = (__force pci_channel_state_t) 1,

	/* I/O to channel is blocked */
	pci_channel_io_frozen = (__force pci_channel_state_t) 2,

	/* PCI card is dead */
	pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
};

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Daniel Wagner <dwagner@suse.de>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 5 ++---
 drivers/scsi/qla2xxx/qla_mr.c  | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index b7c1108c48e2..935af77e519f 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -117,10 +117,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 
 	ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
 
-	if (ha->pdev->error_state > pci_channel_io_frozen) {
+	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
 		ql_log(ql_log_warn, vha, 0x1001,
-		    "error_state is greater than pci_channel_io_frozen, "
-		    "exiting.\n");
+		    "PCI channel failed permanently, exiting.\n");
 		return QLA_FUNCTION_TIMEOUT;
 	}
 
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 605b59c76c90..5f7efdb0cce7 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -53,10 +53,9 @@ qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
 	struct qla_hw_data *ha = vha->hw;
 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 
-	if (ha->pdev->error_state > pci_channel_io_frozen) {
+	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
 		ql_log(ql_log_warn, vha, 0x115c,
-		    "error_state is greater than pci_channel_io_frozen, "
-		    "exiting.\n");
+		    "PCI channel failed permanently, exiting.\n");
 		return QLA_FUNCTION_TIMEOUT;
 	}
 

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code
  2019-12-19  0:44 [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
@ 2019-12-19  8:09 ` Daniel Wagner
  2019-12-19 22:39 ` [EXT] " Himanshu Madhani
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: Daniel Wagner @ 2019-12-19  8:09 UTC (permalink / raw)
  To: Bart Van Assche
  Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
	Christoph Hellwig, Himanshu Madhani, Quinn Tran, Martin Wilck,
	Roman Bolshakov

On Wed, Dec 18, 2019 at 04:44:12PM -0800, Bart Van Assche wrote:
> This patch fixes the following sparse warnings:
> 
> drivers/scsi/qla2xxx/qla_mbx.c:120:21: warning: restricted pci_channel_state_t degrades to integer
> drivers/scsi/qla2xxx/qla_mbx.c:120:37: warning: restricted pci_channel_state_t degrades to integer
> 
> This patch does not change any functionality. From include/linux/pci.h:
> 
> enum pci_channel_state {
> 	/* I/O channel is in normal state */
> 	pci_channel_io_normal = (__force pci_channel_state_t) 1,
> 
> 	/* I/O to channel is blocked */
> 	pci_channel_io_frozen = (__force pci_channel_state_t) 2,
> 
> 	/* PCI card is dead */
> 	pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
> };
> 
> Cc: Himanshu Madhani <hmadhani@marvell.com>
> Cc: Quinn Tran <qutran@marvell.com>
> Cc: Martin Wilck <mwilck@suse.com>
> Cc: Daniel Wagner <dwagner@suse.de>
> Cc: Roman Bolshakov <r.bolshakov@yadro.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>

Reviewed-by: Daniel Wagner <dwagner@suse.de>

> ---
>  drivers/scsi/qla2xxx/qla_mbx.c | 5 ++---
>  drivers/scsi/qla2xxx/qla_mr.c  | 5 ++---
>  2 files changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
> index b7c1108c48e2..935af77e519f 100644
> --- a/drivers/scsi/qla2xxx/qla_mbx.c
> +++ b/drivers/scsi/qla2xxx/qla_mbx.c
> @@ -117,10 +117,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
>  
>  	ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
>  
> -	if (ha->pdev->error_state > pci_channel_io_frozen) {
> +	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
>  		ql_log(ql_log_warn, vha, 0x1001,
> -		    "error_state is greater than pci_channel_io_frozen, "
> -		    "exiting.\n");
> +		    "PCI channel failed permanently, exiting.\n");
>  		return QLA_FUNCTION_TIMEOUT;
>  	}
>  
> diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
> index 605b59c76c90..5f7efdb0cce7 100644
> --- a/drivers/scsi/qla2xxx/qla_mr.c
> +++ b/drivers/scsi/qla2xxx/qla_mr.c
> @@ -53,10 +53,9 @@ qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
>  	struct qla_hw_data *ha = vha->hw;
>  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
>  
> -	if (ha->pdev->error_state > pci_channel_io_frozen) {
> +	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
>  		ql_log(ql_log_warn, vha, 0x115c,
> -		    "error_state is greater than pci_channel_io_frozen, "
> -		    "exiting.\n");
> +		    "PCI channel failed permanently, exiting.\n");
>  		return QLA_FUNCTION_TIMEOUT;
>  	}
>  

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [EXT] [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code
  2019-12-19  0:44 [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
  2019-12-19  8:09 ` Daniel Wagner
@ 2019-12-19 22:39 ` Himanshu Madhani
  2019-12-19 23:05 ` Roman Bolshakov
  2019-12-19 23:55 ` Martin K. Petersen
  3 siblings, 0 replies; 5+ messages in thread
From: Himanshu Madhani @ 2019-12-19 22:39 UTC (permalink / raw)
  To: Bart Van Assche, Martin K . Petersen, James E . J . Bottomley
  Cc: linux-scsi, Christoph Hellwig, Quinn Tran, Martin Wilck,
	Daniel Wagner, Roman Bolshakov



On 12/18/19, 6:44 PM, "Bart Van Assche" <bvanassche@acm.org> wrote:

    External Email
    
    ----------------------------------------------------------------------
    This patch fixes the following sparse warnings:
    
    drivers/scsi/qla2xxx/qla_mbx.c:120:21: warning: restricted pci_channel_state_t degrades to integer
    drivers/scsi/qla2xxx/qla_mbx.c:120:37: warning: restricted pci_channel_state_t degrades to integer
    
    This patch does not change any functionality. From include/linux/pci.h:
    
    enum pci_channel_state {
    	/* I/O channel is in normal state */
    	pci_channel_io_normal = (__force pci_channel_state_t) 1,
    
    	/* I/O to channel is blocked */
    	pci_channel_io_frozen = (__force pci_channel_state_t) 2,
    
    	/* PCI card is dead */
    	pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
    };
    
    Cc: Himanshu Madhani <hmadhani@marvell.com>
    Cc: Quinn Tran <qutran@marvell.com>
    Cc: Martin Wilck <mwilck@suse.com>
    Cc: Daniel Wagner <dwagner@suse.de>
    Cc: Roman Bolshakov <r.bolshakov@yadro.com>
    Signed-off-by: Bart Van Assche <bvanassche@acm.org>
    ---
     drivers/scsi/qla2xxx/qla_mbx.c | 5 ++---
     drivers/scsi/qla2xxx/qla_mr.c  | 5 ++---
     2 files changed, 4 insertions(+), 6 deletions(-)
    
    diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
    index b7c1108c48e2..935af77e519f 100644
    --- a/drivers/scsi/qla2xxx/qla_mbx.c
    +++ b/drivers/scsi/qla2xxx/qla_mbx.c
    @@ -117,10 +117,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
     
     	ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
     
    -	if (ha->pdev->error_state > pci_channel_io_frozen) {
    +	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
     		ql_log(ql_log_warn, vha, 0x1001,
    -		    "error_state is greater than pci_channel_io_frozen, "
    -		    "exiting.\n");
    +		    "PCI channel failed permanently, exiting.\n");
     		return QLA_FUNCTION_TIMEOUT;
     	}
     
    diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
    index 605b59c76c90..5f7efdb0cce7 100644
    --- a/drivers/scsi/qla2xxx/qla_mr.c
    +++ b/drivers/scsi/qla2xxx/qla_mr.c
    @@ -53,10 +53,9 @@ qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
     	struct qla_hw_data *ha = vha->hw;
     	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
     
    -	if (ha->pdev->error_state > pci_channel_io_frozen) {
    +	if (ha->pdev->error_state == pci_channel_io_perm_failure) {
     		ql_log(ql_log_warn, vha, 0x115c,
    -		    "error_state is greater than pci_channel_io_frozen, "
    -		    "exiting.\n");
    +		    "PCI channel failed permanently, exiting.\n");
     		return QLA_FUNCTION_TIMEOUT;
     	}
     
Looks Good. 

Acked-by: Himanshu Madhani <hmadhani@marvell.com>



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code
  2019-12-19  0:44 [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
  2019-12-19  8:09 ` Daniel Wagner
  2019-12-19 22:39 ` [EXT] " Himanshu Madhani
@ 2019-12-19 23:05 ` Roman Bolshakov
  2019-12-19 23:55 ` Martin K. Petersen
  3 siblings, 0 replies; 5+ messages in thread
From: Roman Bolshakov @ 2019-12-19 23:05 UTC (permalink / raw)
  To: Bart Van Assche
  Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
	Christoph Hellwig, Himanshu Madhani, Quinn Tran, Martin Wilck,
	Daniel Wagner

On Wed, Dec 18, 2019 at 04:44:12PM -0800, Bart Van Assche wrote:
> This patch fixes the following sparse warnings:
> 
> drivers/scsi/qla2xxx/qla_mbx.c:120:21: warning: restricted pci_channel_state_t degrades to integer
> drivers/scsi/qla2xxx/qla_mbx.c:120:37: warning: restricted pci_channel_state_t degrades to integer
> 
> This patch does not change any functionality. From include/linux/pci.h:
> 
> enum pci_channel_state {
> 	/* I/O channel is in normal state */
> 	pci_channel_io_normal = (__force pci_channel_state_t) 1,
> 
> 	/* I/O to channel is blocked */
> 	pci_channel_io_frozen = (__force pci_channel_state_t) 2,
> 
> 	/* PCI card is dead */
> 	pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
> };
> 
> Cc: Himanshu Madhani <hmadhani@marvell.com>
> Cc: Quinn Tran <qutran@marvell.com>
> Cc: Martin Wilck <mwilck@suse.com>
> Cc: Daniel Wagner <dwagner@suse.de>
> Cc: Roman Bolshakov <r.bolshakov@yadro.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>  drivers/scsi/qla2xxx/qla_mbx.c | 5 ++---
>  drivers/scsi/qla2xxx/qla_mr.c  | 5 ++---
>  2 files changed, 4 insertions(+), 6 deletions(-)
> 

Hi Bart,

Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>

Thank you,
Roman

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code
  2019-12-19  0:44 [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
                   ` (2 preceding siblings ...)
  2019-12-19 23:05 ` Roman Bolshakov
@ 2019-12-19 23:55 ` Martin K. Petersen
  3 siblings, 0 replies; 5+ messages in thread
From: Martin K. Petersen @ 2019-12-19 23:55 UTC (permalink / raw)
  To: Bart Van Assche
  Cc: Martin K . Petersen, James E . J . Bottomley, linux-scsi,
	Christoph Hellwig, Himanshu Madhani, Quinn Tran, Martin Wilck,
	Daniel Wagner, Roman Bolshakov


Bart,

> This patch fixes the following sparse warnings:
>
> drivers/scsi/qla2xxx/qla_mbx.c:120:21: warning: restricted pci_channel_state_t degrades to integer
> drivers/scsi/qla2xxx/qla_mbx.c:120:37: warning: restricted pci_channel_state_t degrades to integer

Applied to 5.6/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-12-19 23:55 UTC | newest]

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2019-12-19  0:44 [PATCH] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
2019-12-19  8:09 ` Daniel Wagner
2019-12-19 22:39 ` [EXT] " Himanshu Madhani
2019-12-19 23:05 ` Roman Bolshakov
2019-12-19 23:55 ` Martin K. Petersen

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