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Subject[PATCH v2] net: macb: Applied changes according to review made by Andy Shevchenko.
Date
This patch is sent in regard to recently applied patch
Commit 83a77e9ec4150ee4acc635638f7dedd9da523a26
net: macb: Added PCI wrapper for Platform Driver.

Signed-off-by: Bartosz Folta <bfolta@cadence.com>
---
Changed in v2:
Size of DMA mask is set based on value held by PCI device.
---
drivers/net/ethernet/cadence/macb_pci.c | 27 ++++++++++-----------------
1 file changed, 10 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_pci.c b/drivers/net/ethernet/cadence/macb_pci.c
index 92be2cd..9906fda 100644
--- a/drivers/net/ethernet/cadence/macb_pci.c
+++ b/drivers/net/ethernet/cadence/macb_pci.c
@@ -1,5 +1,5 @@
/**
- * macb_pci.c - Cadence GEM PCI wrapper.
+ * Cadence GEM PCI wrapper.
*
* Copyright (C) 2016 Cadence Design Systems - http://www.cadence.com
*
@@ -45,32 +45,27 @@ static int macb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct macb_platform_data plat_data;
struct resource res[2];

- /* sanity check */
- if (!id)
- return -EINVAL;
-
/* enable pci device */
- err = pci_enable_device(pdev);
+ err = pcim_enable_device(pdev);
if (err < 0) {
- dev_err(&pdev->dev, "Enabling PCI device has failed: 0x%04X",
- err);
- return -EACCES;
+ dev_err(&pdev->dev, "Enabling PCI device has failed: %d", err);
+ return err;
}

pci_set_master(pdev);

/* set up resources */
memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
- res[0].start = pdev->resource[0].start;
- res[0].end = pdev->resource[0].end;
+ res[0].start = pci_resource_start(pdev, 0);
+ res[0].end = pci_resource_end(pdev, 0);
res[0].name = PCI_DRIVER_NAME;
res[0].flags = IORESOURCE_MEM;
- res[1].start = pdev->irq;
+ res[1].start = pci_irq_vector(pdev, 0);
res[1].name = PCI_DRIVER_NAME;
res[1].flags = IORESOURCE_IRQ;

- dev_info(&pdev->dev, "EMAC physical base addr = 0x%p\n",
- (void *)(uintptr_t)pci_resource_start(pdev, 0));
+ dev_info(&pdev->dev, "EMAC physical base addr: %pa\n",
+ &res[0].start);

/* set up macb platform data */
memset(&plat_data, 0, sizeof(plat_data));
@@ -100,7 +95,7 @@ static int macb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
plat_info.num_res = ARRAY_SIZE(res);
plat_info.data = &plat_data;
plat_info.size_data = sizeof(plat_data);
- plat_info.dma_mask = DMA_BIT_MASK(32);
+ plat_info.dma_mask = pdev->dma_mask;

/* register platform device */
plat_dev = platform_device_register_full(&plat_info);
@@ -120,7 +115,6 @@ static int macb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
clk_unregister(plat_data.pclk);

err_pclk_register:
- pci_disable_device(pdev);
return err;
}

@@ -130,7 +124,6 @@ static void macb_remove(struct pci_dev *pdev)
struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev);

platform_device_unregister(plat_dev);
- pci_disable_device(pdev);
clk_unregister(plat_data->pclk);
clk_unregister(plat_data->hclk);
}
--
1.9.1
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