ath79: 5.15: drop unused res variable from pci ar724x OF convert patch

Drop unused res variable from pci ar724x OF convert patch fixing
compilation warning:

arch/mips/pci/pci-ar724x.c: In function 'ar724x_pci_probe':
arch/mips/pci/pci-ar724x.c:387:26: error: unused variable 'res' [-Werror=unused-variable]
  387 |         struct resource *res;
      |                          ^~~
cc1: all warnings being treated as errors

Signed-off-by: Christian Marangi <[email protected]>

target/linux/ath79/patches-5.15/0020-MIPS-pci-ar724x-convert-to-OF.patch

@@ -154,7 +154,15 @@ Signed-off-by: John Crispin <[email protected]>
  	irq_set_chained_handler_and_data(apc->irq, ar724x_pci_irq_handler,
  					 apc);
  }
-@@ -388,29 +396,11 @@ static int ar724x_pci_probe(struct platf
+@@ -360,7 +368,6 @@ static void ar724x_pci_hw_init(struct ar
+ static int ar724x_pci_probe(struct platform_device *pdev)
+ {
+ 	struct ar724x_pci_controller *apc;
+-	struct resource *res;
+ 	int id;
+ 
+ 	id = pdev->id;
+@@ -388,29 +395,11 @@ static int ar724x_pci_probe(struct platf
  	if (apc->irq < 0)
  		return -EINVAL;
  
@@ -186,7 +194,7 @@ Signed-off-by: John Crispin <[email protected]>
  
  	/*
  	 * Do the full PCIE Root Complex Initialization Sequence if the PCIe
-@@ -432,10 +422,16 @@ static int ar724x_pci_probe(struct platf
+@@ -432,10 +421,16 @@ static int ar724x_pci_probe(struct platf
  	return 0;
  }
  

target/linux/ath79/patches-5.15/0062-MIPS-pci-ar724x-add-QCA9550-reset-sequence.patch

@@ -96,7 +96,7 @@ Signed-off-by: David Bauer <[email protected]>
  
  	/* set PCIE Application Control to ready */
  	app = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_APP);
-@@ -396,6 +412,14 @@ static int ar724x_pci_probe(struct platf
+@@ -395,6 +411,14 @@ static int ar724x_pci_probe(struct platf
  	if (apc->irq < 0)
  		return -EINVAL;
  
@@ -111,7 +111,7 @@ Signed-off-by: David Bauer <[email protected]>
  	apc->np = pdev->dev.of_node;
  	apc->pci_controller.pci_ops = &ar724x_pci_ops;
  	apc->pci_controller.io_resource = &apc->io_res;
-@@ -406,7 +430,7 @@ static int ar724x_pci_probe(struct platf
+@@ -405,7 +429,7 @@ static int ar724x_pci_probe(struct platf
  	 * Do the full PCIE Root Complex Initialization Sequence if the PCIe
  	 * host controller is in reset.
  	 */
@@ -120,7 +120,7 @@ Signed-off-by: David Bauer <[email protected]>
  		ar724x_pci_hw_init(apc);
  
  	apc->link_up = ar724x_pci_check_link(apc);
-@@ -424,6 +448,7 @@ static int ar724x_pci_probe(struct platf
+@@ -423,6 +447,7 @@ static int ar724x_pci_probe(struct platf
  
  static const struct of_device_id ar724x_pci_ids[] = {
  	{ .compatible = "qcom,ar7240-pci" },