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dmaengine fix for 4.17-rc6

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- qcom bam runtime_pm fix
  - My email update
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Merge tag 'dmaengine-fix-4.17-rc6' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fix from Vinod Koul:

 - qcom bam runtime_pm fix

 - email update for Vinod

* tag 'dmaengine-fix-4.17-rc6' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: qcom: bam_dma: check if the runtime pm enabled
  dmaengine: Update email address for Vinod
This commit is contained in:
Linus Torvalds 2018-05-19 09:54:02 -07:00
commit 0b449a441d
2 changed files with 14 additions and 6 deletions
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2
MAINTAINERS
View File

@ -4309,7 +4309,7 @@ F: Documentation/driver-api/dma-buf.rst
T: git git://anongit.freedesktop.org/drm/drm-misc
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
M: Vinod Koul <vinod.koul@intel.com>
M: Vinod Koul <vkoul@kernel.org>
L: dmaengine@vger.kernel.org
Q: https://patchwork.kernel.org/project/linux-dmaengine/list/
S: Maintained

18
drivers/dma/qcom/bam_dma.c
View File

@ -524,6 +524,14 @@ static int bam_alloc_chan(struct dma_chan *chan)
return 0;
}
static int bam_pm_runtime_get_sync(struct device *dev)
{
if (pm_runtime_enabled(dev))
return pm_runtime_get_sync(dev);
return 0;
}
/**
* bam_free_chan - Frees dma resources associated with specific channel
* @chan: specified channel
@ -539,7 +547,7 @@ static void bam_free_chan(struct dma_chan *chan)
unsigned long flags;
int ret;
ret = pm_runtime_get_sync(bdev->dev);
ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;
@ -720,7 +728,7 @@ static int bam_pause(struct dma_chan *chan)
unsigned long flag;
int ret;
ret = pm_runtime_get_sync(bdev->dev);
ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@ -746,7 +754,7 @@ static int bam_resume(struct dma_chan *chan)
unsigned long flag;
int ret;
ret = pm_runtime_get_sync(bdev->dev);
ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@ -852,7 +860,7 @@ static irqreturn_t bam_dma_irq(int irq, void *data)
if (srcs & P_IRQ)
tasklet_schedule(&bdev->task);
ret = pm_runtime_get_sync(bdev->dev);
ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@ -969,7 +977,7 @@ static void bam_start_dma(struct bam_chan *bchan)
if (!vd)
return;
ret = pm_runtime_get_sync(bdev->dev);
ret = bam_pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;