Re: [PATCH 38/39] dmaengine: ste_dma40: Fetch the number of physical channels from DT

2013-05-30 Thread Linus Walleij 
On Wed, May 15, 2013 at 11:52 AM, Lee Jones lee.jo...@linaro.org wrote:

 Some platforms insist on obscure physical channel availability. This
 information is currently passed though platform data in internal BSP
 kernels. Once those platforms land, they'll need to configure them
 appropriately, so we may as well add the infrastructure.

 Cc: Vinod Koul vinod.k...@intel.com
 Cc: Dan Williams d...@fb.com
 Cc: Per Forlin per.for...@stericsson.com
 Cc: Rabin Vincent ra...@rab.in
 Signed-off-by: Lee Jones lee.jo...@linaro.org

Patch applied with Vinod's ACK.

Yours,
Linus Walleij
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Re: [PATCH 38/39] dmaengine: ste_dma40: Fetch the number of physical channels from DT

2013-05-16 Thread Vinod Koul 
On Wed, May 15, 2013 at 10:52:01AM +0100, Lee Jones wrote:
 Some platforms insist on obscure physical channel availability. This
 information is currently passed though platform data in internal BSP
 kernels. Once those platforms land, they'll need to configure them
 appropriately, so we may as well add the infrastructure.
 
 Cc: Vinod Koul vinod.k...@intel.com
 Cc: Dan Williams d...@fb.com
 Cc: Per Forlin per.for...@stericsson.com
 Cc: Rabin Vincent ra...@rab.in
 Signed-off-by: Lee Jones lee.jo...@linaro.org
 ---
Acked-by: Vinod Koul vinod.k...@intel.com

  drivers/dma/ste_dma40.c |7 ++-
  1 file changed, 6 insertions(+), 1 deletion(-)
 
 diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
 index ae462d3..4e528dd 100644
 --- a/drivers/dma/ste_dma40.c
 +++ b/drivers/dma/ste_dma40.c
 @@ -3482,7 +3482,7 @@ static int __init d40_of_probe(struct platform_device 
 *pdev,
  struct device_node *np)
  {
   struct stedma40_platform_data *pdata;
 - int num_memcpy = 0;
 + int num_phy = 0, num_memcpy = 0;
   const const __be32 *list;
  
   pdata = devm_kzalloc(pdev-dev,
 @@ -3491,6 +3491,11 @@ static int __init d40_of_probe(struct platform_device 
 *pdev,
   if (!pdata)
   return -ENOMEM;
  
 + /* If absent this value will be obtained from h/w. */
 + of_property_read_u32(np, dma-channels, num_phy);
 + if (num_phy  0)
 + pdata-num_of_phy_chans = num_phy;
 +
   list = of_get_property(np, memcpy-channels, num_memcpy);
   num_memcpy /= sizeof(*list);
  
 -- 
 1.7.10.4
 
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[PATCH 38/39] dmaengine: ste_dma40: Fetch the number of physical channels from DT

2013-05-15 Thread Lee Jones 
Some platforms insist on obscure physical channel availability. This
information is currently passed though platform data in internal BSP
kernels. Once those platforms land, they'll need to configure them
appropriately, so we may as well add the infrastructure.

Cc: Vinod Koul vinod.k...@intel.com
Cc: Dan Williams d...@fb.com
Cc: Per Forlin per.for...@stericsson.com
Cc: Rabin Vincent ra...@rab.in
Signed-off-by: Lee Jones lee.jo...@linaro.org
---
 drivers/dma/ste_dma40.c |7 ++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index ae462d3..4e528dd 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3482,7 +3482,7 @@ static int __init d40_of_probe(struct platform_device 
*pdev,
   struct device_node *np)
 {
struct stedma40_platform_data *pdata;
-   int num_memcpy = 0;
+   int num_phy = 0, num_memcpy = 0;
const const __be32 *list;
 
pdata = devm_kzalloc(pdev-dev,
@@ -3491,6 +3491,11 @@ static int __init d40_of_probe(struct platform_device 
*pdev,
if (!pdata)
return -ENOMEM;
 
+   /* If absent this value will be obtained from h/w. */
+   of_property_read_u32(np, dma-channels, num_phy);
+   if (num_phy  0)
+   pdata-num_of_phy_chans = num_phy;
+
list = of_get_property(np, memcpy-channels, num_memcpy);
num_memcpy /= sizeof(*list);
 
-- 
1.7.10.4

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