Subject: [PATCH v3 5/8] powerpc/85xx: p2020: Unify .setup_arch and .init_IRQ callbacks

From: Pali Rohár <[email-masked]>
Date: Sat, 18 Feb 2023 12:14:02 +0100

Make just one .setup_arch and one .init_IRQ callback implementation for all
P2020 board code. This deduplicate repeated and same code.

Signed-off-by: Pali Rohár <[email-masked]>
---
 arch/powerpc/platforms/85xx/p2020.c | 58 +++++------------------------
 1 file changed, 9 insertions(+), 49 deletions(-)

diff --git a/arch/powerpc/platforms/85xx/p2020.c b/arch/powerpc/platforms/85xx/p2020.c
index 1cc468dc4caf..1033b7bb05cc 100644
--- a/arch/powerpc/platforms/85xx/p2020.c
+++ b/arch/powerpc/platforms/85xx/p2020.c
@@ -42,8 +42,6 @@
 #define DBG(fmt, args...)
 #endif
 
-#ifdef CONFIG_MPC85xx_DS
-
 static void mpc85xx_8259_cascade(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -86,7 +84,7 @@ static void __init mpc85xx_8259_init(void)
 	irq_set_chained_handler(cascade_irq, mpc85xx_8259_cascade);
 }
 
-static void __init mpc85xx_ds_pic_init(void)
+static void __init p2020_pic_init(void)
 {
 	struct mpic *mpic;
 
@@ -138,58 +136,20 @@ static void __init mpc85xx_ds_uli_init(void)
 #endif
 }
 
-#endif /* CONFIG_MPC85xx_DS */
-
-#ifdef CONFIG_MPC85xx_RDB
-static void __init mpc85xx_rdb_pic_init(void)
-{
-	struct mpic *mpic;
-
-	mpic = mpic_alloc(NULL, 0,
-	  MPIC_BIG_ENDIAN |
-	  MPIC_SINGLE_DEST_CPU,
-	  0, 256, " OpenPIC  ");
-
-	BUG_ON(mpic == NULL);
-	mpic_init(mpic);
-}
-#endif /* CONFIG_MPC85xx_RDB */
-
 /*
  * Setup the architecture
  */
-#ifdef CONFIG_MPC85xx_DS
-static void __init mpc85xx_ds_setup_arch(void)
+static void __init p2020_setup_arch(void)
 {
-	if (ppc_md.progress)
-		ppc_md.progress("mpc85xx_ds_setup_arch()", 0);
-
 	swiotlb_detect_4g();
 	fsl_pci_assign_primary();
 	mpc85xx_ds_uli_init();
 	mpc85xx_smp_init();
 
-	printk("MPC85xx DS board from Freescale Semiconductor\n");
-}
-#endif /* CONFIG_MPC85xx_DS */
-
-#ifdef CONFIG_MPC85xx_RDB
-static void __init mpc85xx_rdb_setup_arch(void)
-{
-	if (ppc_md.progress)
-		ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
-
-	mpc85xx_smp_init();
-
-	fsl_pci_assign_primary();
-
 #ifdef CONFIG_QUICC_ENGINE
 	mpc85xx_qe_par_io_init();
-#endif	/* CONFIG_QUICC_ENGINE */
-
-	printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
+#endif
 }
-#endif /* CONFIG_MPC85xx_RDB */
 
 #ifdef CONFIG_MPC85xx_DS
 machine_arch_initcall(p2020_ds, mpc85xx_common_publish_devices);
@@ -230,8 +190,8 @@ static int __init p2020_rdb_pc_probe(void)
 define_machine(p2020_ds) {
 	.name			= "P2020 DS",
 	.probe			= p2020_ds_probe,
-	.setup_arch		= mpc85xx_ds_setup_arch,
-	.init_IRQ		= mpc85xx_ds_pic_init,
+	.setup_arch		= p2020_setup_arch,
+	.init_IRQ		= p2020_pic_init,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
@@ -246,8 +206,8 @@ define_machine(p2020_ds) {
 define_machine(p2020_rdb) {
 	.name			= "P2020 RDB",
 	.probe			= p2020_rdb_probe,
-	.setup_arch		= mpc85xx_rdb_setup_arch,
-	.init_IRQ		= mpc85xx_rdb_pic_init,
+	.setup_arch		= p2020_setup_arch,
+	.init_IRQ		= p2020_pic_init,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
@@ -260,8 +220,8 @@ define_machine(p2020_rdb) {
 define_machine(p2020_rdb_pc) {
 	.name			= "P2020RDB-PC",
 	.probe			= p2020_rdb_pc_probe,
-	.setup_arch		= mpc85xx_rdb_setup_arch,
-	.init_IRQ		= mpc85xx_rdb_pic_init,
+	.setup_arch		= p2020_setup_arch,
+	.init_IRQ		= p2020_pic_init,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
-- 
2.20.1