* [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
@ 2019-07-30 13:20 ` Peter Ujfalusi
0 siblings, 0 replies; 6+ messages in thread
From: Peter Ujfalusi @ 2019-07-30 13:20 UTC (permalink / raw)
To: vkoul; +Cc: dan.j.williams, dmaengine, linux-arm-kernel, linux-omap
While the compiler does not have problem with how it is implemented,
checkpatch does give en ERROR for this arrangement.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/dma/ti/edma.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index fe468e2f7e67..6f2d6c592663 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -1832,7 +1832,6 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
struct dma_tx_state *txstate)
{
struct edma_chan *echan = to_edma_chan(chan);
- struct virt_dma_desc *vdesc;
struct dma_tx_state txstate_tmp;
enum dma_status ret;
unsigned long flags;
@@ -1846,12 +1845,18 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
if (!txstate)
txstate = &txstate_tmp;
- txstate->residue = 0;
spin_lock_irqsave(&echan->vchan.lock, flags);
- if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie)
+ if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie) {
txstate->residue = edma_residue(echan->edesc);
- else if ((vdesc = vchan_find_desc(&echan->vchan, cookie)))
- txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ } else {
+ struct virt_dma_desc *vdesc = vchan_find_desc(&echan->vchan,
+ cookie);
+
+ if (vdesc)
+ txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ else
+ txstate->residue = 0;
+ }
/*
* Mark the cookie completed if the residue is 0 for non cyclic
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
@ 2019-07-30 13:20 ` Peter Ujfalusi
0 siblings, 0 replies; 6+ messages in thread
From: Peter Ujfalusi @ 2019-07-30 13:20 UTC (permalink / raw)
To: vkoul; +Cc: dmaengine, dan.j.williams, linux-omap, linux-arm-kernel
While the compiler does not have problem with how it is implemented,
checkpatch does give en ERROR for this arrangement.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/dma/ti/edma.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index fe468e2f7e67..6f2d6c592663 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -1832,7 +1832,6 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
struct dma_tx_state *txstate)
{
struct edma_chan *echan = to_edma_chan(chan);
- struct virt_dma_desc *vdesc;
struct dma_tx_state txstate_tmp;
enum dma_status ret;
unsigned long flags;
@@ -1846,12 +1845,18 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
if (!txstate)
txstate = &txstate_tmp;
- txstate->residue = 0;
spin_lock_irqsave(&echan->vchan.lock, flags);
- if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie)
+ if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie) {
txstate->residue = edma_residue(echan->edesc);
- else if ((vdesc = vchan_find_desc(&echan->vchan, cookie)))
- txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ } else {
+ struct virt_dma_desc *vdesc = vchan_find_desc(&echan->vchan,
+ cookie);
+
+ if (vdesc)
+ txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ else
+ txstate->residue = 0;
+ }
/*
* Mark the cookie completed if the residue is 0 for non cyclic
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
@ 2019-07-30 13:20 ` Peter Ujfalusi
0 siblings, 0 replies; 6+ messages in thread
From: Peter Ujfalusi @ 2019-07-30 13:20 UTC (permalink / raw)
To: vkoul; +Cc: dmaengine, dan.j.williams, linux-omap, linux-arm-kernel
While the compiler does not have problem with how it is implemented,
checkpatch does give en ERROR for this arrangement.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/dma/ti/edma.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index fe468e2f7e67..6f2d6c592663 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -1832,7 +1832,6 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
struct dma_tx_state *txstate)
{
struct edma_chan *echan = to_edma_chan(chan);
- struct virt_dma_desc *vdesc;
struct dma_tx_state txstate_tmp;
enum dma_status ret;
unsigned long flags;
@@ -1846,12 +1845,18 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
if (!txstate)
txstate = &txstate_tmp;
- txstate->residue = 0;
spin_lock_irqsave(&echan->vchan.lock, flags);
- if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie)
+ if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie) {
txstate->residue = edma_residue(echan->edesc);
- else if ((vdesc = vchan_find_desc(&echan->vchan, cookie)))
- txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ } else {
+ struct virt_dma_desc *vdesc = vchan_find_desc(&echan->vchan,
+ cookie);
+
+ if (vdesc)
+ txstate->residue = to_edma_desc(&vdesc->tx)->residue;
+ else
+ txstate->residue = 0;
+ }
/*
* Mark the cookie completed if the residue is 0 for non cyclic
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
2019-07-30 13:20 ` Peter Ujfalusi
(?)
@ 2019-09-04 4:36 ` Vinod Koul
-1 siblings, 0 replies; 6+ messages in thread
From: Vinod Koul @ 2019-09-04 4:36 UTC (permalink / raw)
To: Peter Ujfalusi; +Cc: dan.j.williams, dmaengine, linux-arm-kernel, linux-omap
On 30-07-19, 16:20, Peter Ujfalusi wrote:
> While the compiler does not have problem with how it is implemented,
> checkpatch does give en ERROR for this arrangement.
Applied, thanks
--
~Vinod
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
@ 2019-09-04 4:36 ` Vinod Koul
0 siblings, 0 replies; 6+ messages in thread
From: Vinod Koul @ 2019-09-04 4:36 UTC (permalink / raw)
To: Peter Ujfalusi; +Cc: dmaengine, dan.j.williams, linux-omap, linux-arm-kernel
On 30-07-19, 16:20, Peter Ujfalusi wrote:
> While the compiler does not have problem with how it is implemented,
> checkpatch does give en ERROR for this arrangement.
Applied, thanks
--
~Vinod
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition'
@ 2019-09-04 4:36 ` Vinod Koul
0 siblings, 0 replies; 6+ messages in thread
From: Vinod Koul @ 2019-09-04 4:36 UTC (permalink / raw)
To: Peter Ujfalusi; +Cc: dmaengine, dan.j.williams, linux-omap, linux-arm-kernel
On 30-07-19, 16:20, Peter Ujfalusi wrote:
> While the compiler does not have problem with how it is implemented,
> checkpatch does give en ERROR for this arrangement.
Applied, thanks
--
~Vinod
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-09-04 4:37 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-07-30 13:20 [PATCH] dmaengine: ti: edma: Remove 'Assignment in if condition' Peter Ujfalusi
2019-07-30 13:20 ` Peter Ujfalusi
2019-07-30 13:20 ` Peter Ujfalusi
2019-09-04 4:36 ` Vinod Koul
2019-09-04 4:36 ` Vinod Koul
2019-09-04 4:36 ` Vinod Koul
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