AuxXxilium/linux_dsm_epyc7002
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Merge branch 'topic/renesas' into for-linus

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This commit is contained in:
Vinod Koul 2018-06-04 10:28:54 +05:30
commit d39dae11c7
3 changed files with 26 additions and 31 deletions
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1
Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt
View File

@ -28,6 +28,7 @@ Required Properties:
- "renesas,dmac-r8a7796" (R-Car M3-W)
- "renesas,dmac-r8a77970" (R-Car V3M)
- "renesas,dmac-r8a77980" (R-Car V3H)
- "renesas,dmac-r8a77995" (R-Car D3)
- reg: base address and length of the registers block for the DMAC

2
Documentation/devicetree/bindings/dma/renesas,usb-dmac.txt
View File

@ -12,6 +12,8 @@ Required Properties:
- "renesas,r8a7795-usb-dmac" (R-Car H3)
- "renesas,r8a7796-usb-dmac" (R-Car M3-W)
- "renesas,r8a77965-usb-dmac" (R-Car M3-N)
- "renesas,r8a77990-usb-dmac" (R-Car E3)
- "renesas,r8a77995-usb-dmac" (R-Car D3)
- reg: base address and length of the registers block for the DMAC
- interrupts: interrupt specifiers for the DMAC, one for each entry in
interrupt-names.

54
drivers/dma/sh/shdmac.c
View File

@ -443,7 +443,6 @@ static bool sh_dmae_reset(struct sh_dmae_device *shdev)
return ret;
}
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
static irqreturn_t sh_dmae_err(int irq, void *data)
{
struct sh_dmae_device *shdev = data;
@ -454,7 +453,6 @@ static irqreturn_t sh_dmae_err(int irq, void *data)
sh_dmae_reset(shdev);
return IRQ_HANDLED;
}
#endif
static bool sh_dmae_desc_completed(struct shdma_chan *schan,
struct shdma_desc *sdesc)
@ -686,11 +684,8 @@ static int sh_dmae_probe(struct platform_device *pdev)
const struct sh_dmae_pdata *pdata;
unsigned long chan_flag[SH_DMAE_MAX_CHANNELS] = {};
int chan_irq[SH_DMAE_MAX_CHANNELS];
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
unsigned long irqflags = 0;
int errirq;
#endif
int err, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
int err, errirq, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
struct sh_dmae_device *shdev;
struct dma_device *dma_dev;
struct resource *chan, *dmars, *errirq_res, *chanirq_res;
@ -792,33 +787,32 @@ static int sh_dmae_probe(struct platform_device *pdev)
if (err)
goto rst_err;
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
if (IS_ENABLED(CONFIG_CPU_SH4) || IS_ENABLED(CONFIG_ARCH_RENESAS)) {
chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
if (!chanirq_res)
if (!chanirq_res)
chanirq_res = errirq_res;
else
irqres++;
if (chanirq_res == errirq_res ||
(errirq_res->flags & IORESOURCE_BITS) == IORESOURCE_IRQ_SHAREABLE)
irqflags = IRQF_SHARED;
errirq = errirq_res->start;
err = devm_request_irq(&pdev->dev, errirq, sh_dmae_err,
irqflags, "DMAC Address Error", shdev);
if (err) {
dev_err(&pdev->dev,
"DMA failed requesting irq #%d, error %d\n",
errirq, err);
goto eirq_err;
}
} else {
chanirq_res = errirq_res;
else
irqres++;
if (chanirq_res == errirq_res ||
(errirq_res->flags & IORESOURCE_BITS) == IORESOURCE_IRQ_SHAREABLE)
irqflags = IRQF_SHARED;
errirq = errirq_res->start;
err = devm_request_irq(&pdev->dev, errirq, sh_dmae_err, irqflags,
"DMAC Address Error", shdev);
if (err) {
dev_err(&pdev->dev,
"DMA failed requesting irq #%d, error %d\n",
errirq, err);
goto eirq_err;
}
#else
chanirq_res = errirq_res;
#endif /* CONFIG_CPU_SH4 || CONFIG_ARCH_SHMOBILE */
if (chanirq_res->start == chanirq_res->end &&
!platform_get_resource(pdev, IORESOURCE_IRQ, 1)) {
/* Special case - all multiplexed */
@ -884,9 +878,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
chan_probe_err:
sh_dmae_chan_remove(shdev);
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
eirq_err:
#endif
rst_err:
spin_lock_irq(&sh_dmae_lock);
list_del_rcu(&shdev->node);