| Message ID | 604a6376-0298-ebcd-ee84-435945370374@web.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] ethernet: axienet: Use devm_platform_ioremap_resource() in axienet_probe() | expand |
> -----Original Message----- > From: Markus Elfring <Markus.Elfring@web.de> > Sent: Friday, September 20, 2019 5:01 PM > To: netdev@vger.kernel.org; linux-arm-kernel@lists.infradead.org; David S. > Miller <davem@davemloft.net>; Michal Simek <michals@xilinx.com>; > Radhey Shyam Pandey <radheys@xilinx.com> > Cc: LKML <linux-kernel@vger.kernel.org>; kernel-janitors@vger.kernel.org > Subject: [PATCH v2] ethernet: axienet: Use > devm_platform_ioremap_resource() in axienet_probe() > > From: Markus Elfring <elfring@users.sourceforge.net> > Date: Fri, 20 Sep 2019 13:17:01 +0200 > > Simplify this function implementation by using the wrapper function > “devm_platform_ioremap_resource” instead of calling the functions > “platform_get_resource” and “devm_ioremap_resource” directly. > > * Thus reduce also a bit of exception handling code here. > * Delete the local variable “res”. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com> Thanks! > --- > > v2: > Further changes were requested by Radhey Shyam Pandey. > https://lore.kernel.org/r/CH2PR02MB700047AFFFE08FE5FD563541C78E0@C > H2PR02MB7000.namprd02.prod.outlook.com/ > > * Updates for three modules were split into a separate patch for each driver. > * The commit description was adjusted. > > > drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 9 +-------- > 1 file changed, 1 insertion(+), 8 deletions(-) > > diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > index 4fc627fb4d11..92783aaaa0a2 100644 > --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > @@ -1787,14 +1787,7 @@ static int axienet_probe(struct platform_device > *pdev) > of_node_put(np); > lp->eth_irq = platform_get_irq(pdev, 0); > } else { > - /* Check for these resources directly on the Ethernet node. > */ > - struct resource *res = platform_get_resource(pdev, > - > IORESOURCE_MEM, 1); > - if (!res) { > - dev_err(&pdev->dev, "unable to get DMA memory > resource\n"); > - goto free_netdev; > - } > - lp->dma_regs = devm_ioremap_resource(&pdev->dev, res); > + lp->dma_regs = devm_platform_ioremap_resource(pdev, 1); > lp->rx_irq = platform_get_irq(pdev, 1); > lp->tx_irq = platform_get_irq(pdev, 0); > lp->eth_irq = platform_get_irq(pdev, 2); > -- > 2.23.0
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 4fc627fb4d11..92783aaaa0a2 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1787,14 +1787,7 @@ static int axienet_probe(struct platform_device *pdev) of_node_put(np); lp->eth_irq = platform_get_irq(pdev, 0); } else { - /* Check for these resources directly on the Ethernet node. */ - struct resource *res = platform_get_resource(pdev, - IORESOURCE_MEM, 1); - if (!res) { - dev_err(&pdev->dev, "unable to get DMA memory resource\n"); - goto free_netdev; - } - lp->dma_regs = devm_ioremap_resource(&pdev->dev, res); + lp->dma_regs = devm_platform_ioremap_resource(pdev, 1); lp->rx_irq = platform_get_irq(pdev, 1); lp->tx_irq = platform_get_irq(pdev, 0); lp->eth_irq = platform_get_irq(pdev, 2);