[PATCH fpga 5/9] fpga zynq: Remove priv->dev

Moritz Fischer moritz.fischer at ettus.com
Mon Nov 14 09:20:38 PST 2016


Hi Jason,

this one could be independent of the other patches, this is cleanup and
could be merged before the rest (that's still in discussion) if you pull it out.

On Mon, Nov 14, 2016 at 7:13 AM, atull <atull at opensource.altera.com> wrote:
> On Wed, 9 Nov 2016, Jason Gunthorpe wrote:
>
> Hi Jason,
>
>     Acked-by: Alan Tull <atull at opensource.altera.com>
>
> Alan
>
>> socfpga uses mgr->dev for debug prints, there should be consistency
>> here, so standardize on that. The only other use was for dma
>> which can be replaced with mgr->dev.parent.
>>
>> Signed-off-by: Jason Gunthorpe <jgunthorpe at obsidianresearch.com>

Modulo the comments above:

Acked-by: Moritz Fischer <moritz.fischer at ettus.com>
>> ---
>>  drivers/fpga/zynq-fpga.c | 22 ++++++++++------------
>>  1 file changed, 10 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
>> index 3ffc5fcc3072..ac2deae92dbd 100644
>> --- a/drivers/fpga/zynq-fpga.c
>> +++ b/drivers/fpga/zynq-fpga.c
>> @@ -118,7 +118,6 @@
>>  #define FPGA_RST_NONE_MASK           0x0
>>
>>  struct zynq_fpga_priv {
>> -     struct device *dev;
>>       int irq;
>>       struct clk *clk;
>>
>> @@ -188,7 +187,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>        * least the sync word and something else to do anything.
>>        */
>>       if (count <= 4 || (count % 4) != 0) {
>> -             dev_err(priv->dev,
>> +             dev_err(&mgr->dev,
>>                       "Invalid bitstream size, must be multiples of 4 bytes\n");
>>               return -EINVAL;
>>       }
>> @@ -200,7 +199,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>       /* don't globally reset PL if we're doing partial reconfig */
>>       if (!(flags & FPGA_MGR_PARTIAL_RECONFIG)) {
>>               if (!zynq_fpga_has_sync(buf, count)) {
>> -                     dev_err(priv->dev,
>> +                     dev_err(&mgr->dev,
>>                               "Invalid bitstream, could not find a sync word. Bitstream must be a byte swaped .bin file\n");
>>                       err = -EINVAL;
>>                       goto out_err;
>> @@ -233,7 +232,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>                                            INIT_POLL_DELAY,
>>                                            INIT_POLL_TIMEOUT);
>>               if (err) {
>> -                     dev_err(priv->dev, "Timeout waiting for PCFG_INIT\n");
>> +                     dev_err(&mgr->dev, "Timeout waiting for PCFG_INIT\n");
>>                       goto out_err;
>>               }
>>
>> @@ -247,7 +246,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>                                            INIT_POLL_DELAY,
>>                                            INIT_POLL_TIMEOUT);
>>               if (err) {
>> -                     dev_err(priv->dev, "Timeout waiting for !PCFG_INIT\n");
>> +                     dev_err(&mgr->dev, "Timeout waiting for !PCFG_INIT\n");
>>                       goto out_err;
>>               }
>>
>> @@ -261,7 +260,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>                                            INIT_POLL_DELAY,
>>                                            INIT_POLL_TIMEOUT);
>>               if (err) {
>> -                     dev_err(priv->dev, "Timeout waiting for PCFG_INIT\n");
>> +                     dev_err(&mgr->dev, "Timeout waiting for PCFG_INIT\n");
>>                       goto out_err;
>>               }
>>       }
>> @@ -278,7 +277,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr, u32 flags,
>>       /* check that we have room in the command queue */
>>       status = zynq_fpga_read(priv, STATUS_OFFSET);
>>       if (status & STATUS_DMA_Q_F) {
>> -             dev_err(priv->dev, "DMA command queue full\n");
>> +             dev_err(&mgr->dev, "DMA command queue full\n");
>>               err = -EBUSY;
>>               goto out_err;
>>       }
>> @@ -309,7 +308,8 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr,
>>
>>       priv = mgr->priv;
>>
>> -     kbuf = dma_alloc_coherent(priv->dev, count, &dma_addr, GFP_KERNEL);
>> +     kbuf =
>> +         dma_alloc_coherent(mgr->dev.parent, count, &dma_addr, GFP_KERNEL);
>>       if (!kbuf)
>>               return -ENOMEM;
>>
>> @@ -356,7 +356,7 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr,
>>       goto out_clk;
>>
>>  out_report:
>> -     dev_err(priv->dev,
>> +     dev_err(&mgr->dev,
>>               "%s: INT_STS:0x%x CTRL:0x%x LOCK:0x%x INT_MASK:0x%x STATUS:0x%x MCTRL:0x%x\n",
>>               why,
>>               intr_status,
>> @@ -368,7 +368,7 @@ out_report:
>>  out_clk:
>>       clk_disable(priv->clk);
>>  out_free:
>> -     dma_free_coherent(priv->dev, count, kbuf, dma_addr);
>> +     dma_free_coherent(mgr->dev.parent, count, kbuf, dma_addr);
>>       return err;
>>  }
>>
>> @@ -445,8 +445,6 @@ static int zynq_fpga_probe(struct platform_device *pdev)
>>       if (!priv)
>>               return -ENOMEM;
>>
>> -     priv->dev = dev;
>> -
>>       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>>       priv->io_base = devm_ioremap_resource(dev, res);
>>       if (IS_ERR(priv->io_base))
>> --
>> 2.1.4
>>
>>
Cheers,

Moritz



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