[PATCH v1] ARM: imx: avic: Convert to using IRQCHIP_DECLARE
From: Saravana Kannan <hidden>
Date: 2021-01-31 20:57:45
Remove a lot of boilerplate code. Also address boot issues on imx25 with
fw_devlink=on that were reported by Martin.
Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
Reported-by: Martin Kaiser <redacted>
Signed-off-by: Saravana Kannan <redacted>
---
I've compile tested this for imx25 and imx27. But I don't have any
devices to test this on.
-Saravana
arch/arm/mach-imx/avic.c | 16 +++++++++++++++-
arch/arm/mach-imx/common.h | 1 -
arch/arm/mach-imx/mach-imx1.c | 11 -----------
arch/arm/mach-imx/mach-imx25.c | 12 ------------
arch/arm/mach-imx/mach-imx27.c | 12 ------------
arch/arm/mach-imx/mach-imx31.c | 1 -
arch/arm/mach-imx/mach-imx35.c | 1 -
arch/arm/mach-imx/mm-imx3.c | 24 ------------------------
8 files changed, 15 insertions(+), 63 deletions(-)
diff --git a/arch/arm/mach-imx/avic.c b/arch/arm/mach-imx/avic.c
index 322caa21bcb3..e67e1c2799d1 100644
--- a/arch/arm/mach-imx/avic.c
+++ b/arch/arm/mach-imx/avic.c@@ -7,6 +7,7 @@ #include <linux/module.h> #include <linux/irq.h> #include <linux/irqdomain.h> +#include <linux/irqchip.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h>
@@ -162,7 +163,7 @@ static void __exception_irq_entry avic_handle_irq(struct pt_regs *regs) * interrupts. It registers the interrupt enable and disable functions * to the kernel for each interrupt source. */ -void __init mxc_init_irq(void __iomem *irqbase) +static void __init mxc_init_irq(void __iomem *irqbase) { struct device_node *np; int irq_base;
@@ -220,3 +221,16 @@ void __init mxc_init_irq(void __iomem *irqbase) printk(KERN_INFO "MXC IRQ initialized\n"); } + +static int __init imx_avic_init(struct device_node *node, + struct device_node *parent) +{ + void __iomem *avic_base; + + avic_base = of_iomap(node, 0); + BUG_ON(!avic_base); + mxc_init_irq(avic_base); + return 0; +} + +IRQCHIP_DECLARE(imx_avic, "fsl,imx31-avic", imx_avic_init);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 2d76e2c6c99e..e988b0978a42 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h@@ -22,7 +22,6 @@ void mx35_map_io(void); void imx21_init_early(void); void imx31_init_early(void); void imx35_init_early(void); -void mxc_init_irq(void __iomem *); void mx31_init_irq(void); void mx35_init_irq(void); void mxc_set_cpu_type(unsigned int type);
diff --git a/arch/arm/mach-imx/mach-imx1.c b/arch/arm/mach-imx/mach-imx1.c
index 32df3b8012f9..8eca92d66a2e 100644
--- a/arch/arm/mach-imx/mach-imx1.c
+++ b/arch/arm/mach-imx/mach-imx1.c@@ -17,16 +17,6 @@ static void __init imx1_init_early(void) mxc_set_cpu_type(MXC_CPU_MX1); } -static void __init imx1_init_irq(void) -{ - void __iomem *avic_addr; - - avic_addr = ioremap(MX1_AVIC_ADDR, SZ_4K); - WARN_ON(!avic_addr); - - mxc_init_irq(avic_addr); -} - static const char * const imx1_dt_board_compat[] __initconst = { "fsl,imx1", NULL
@@ -34,7 +24,6 @@ static const char * const imx1_dt_board_compat[] __initconst = { DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)") .init_early = imx1_init_early, - .init_irq = imx1_init_irq, .dt_compat = imx1_dt_board_compat, .restart = mxc_restart, MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c
index 95de48a1aa7d..51927bd08aef 100644
--- a/arch/arm/mach-imx/mach-imx25.c
+++ b/arch/arm/mach-imx/mach-imx25.c@@ -22,17 +22,6 @@ static void __init imx25_dt_init(void) imx_aips_allow_unprivileged_access("fsl,imx25-aips"); } -static void __init mx25_init_irq(void) -{ - struct device_node *np; - void __iomem *avic_base; - - np = of_find_compatible_node(NULL, NULL, "fsl,avic"); - avic_base = of_iomap(np, 0); - BUG_ON(!avic_base); - mxc_init_irq(avic_base); -} - static const char * const imx25_dt_board_compat[] __initconst = { "fsl,imx25", NULL
@@ -42,6 +31,5 @@ DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)") .init_early = imx25_init_early, .init_machine = imx25_dt_init, .init_late = imx25_pm_init, - .init_irq = mx25_init_irq, .dt_compat = imx25_dt_board_compat, MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx27.c b/arch/arm/mach-imx/mach-imx27.c
index 262422a9c196..e325c9468105 100644
--- a/arch/arm/mach-imx/mach-imx27.c
+++ b/arch/arm/mach-imx/mach-imx27.c@@ -56,17 +56,6 @@ static void __init imx27_init_early(void) mxc_set_cpu_type(MXC_CPU_MX27); } -static void __init mx27_init_irq(void) -{ - void __iomem *avic_base; - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,avic"); - avic_base = of_iomap(np, 0); - BUG_ON(!avic_base); - mxc_init_irq(avic_base); -} - static const char * const imx27_dt_board_compat[] __initconst = { "fsl,imx27", NULL
@@ -75,7 +64,6 @@ static const char * const imx27_dt_board_compat[] __initconst = { DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)") .map_io = mx27_map_io, .init_early = imx27_init_early, - .init_irq = mx27_init_irq, .init_late = imx27_pm_init, .dt_compat = imx27_dt_board_compat, MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx31.c b/arch/arm/mach-imx/mach-imx31.c
index dc69dfe600df..e9a1092b6093 100644
--- a/arch/arm/mach-imx/mach-imx31.c
+++ b/arch/arm/mach-imx/mach-imx31.c@@ -14,6 +14,5 @@ static const char * const imx31_dt_board_compat[] __initconst = { DT_MACHINE_START(IMX31_DT, "Freescale i.MX31 (Device Tree Support)") .map_io = mx31_map_io, .init_early = imx31_init_early, - .init_irq = mx31_init_irq, .dt_compat = imx31_dt_board_compat, MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx35.c b/arch/arm/mach-imx/mach-imx35.c
index ec5c3068715c..0fc08218b77d 100644
--- a/arch/arm/mach-imx/mach-imx35.c
+++ b/arch/arm/mach-imx/mach-imx35.c@@ -27,6 +27,5 @@ DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)") .l2c_aux_mask = ~0, .map_io = mx35_map_io, .init_early = imx35_init_early, - .init_irq = mx35_init_irq, .dt_compat = imx35_dt_board_compat, MACHINE_END
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 5056438e5b42..28db97289ee8 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c@@ -109,18 +109,6 @@ void __init imx31_init_early(void) mx3_ccm_base = of_iomap(np, 0); BUG_ON(!mx3_ccm_base); } - -void __init mx31_init_irq(void) -{ - void __iomem *avic_base; - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx31-avic"); - avic_base = of_iomap(np, 0); - BUG_ON(!avic_base); - - mxc_init_irq(avic_base); -} #endif /* ifdef CONFIG_SOC_IMX31 */ #ifdef CONFIG_SOC_IMX35
@@ -158,16 +146,4 @@ void __init imx35_init_early(void) mx3_ccm_base = of_iomap(np, 0); BUG_ON(!mx3_ccm_base); } - -void __init mx35_init_irq(void) -{ - void __iomem *avic_base; - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx35-avic"); - avic_base = of_iomap(np, 0); - BUG_ON(!avic_base); - - mxc_init_irq(avic_base); -} #endif /* ifdef CONFIG_SOC_IMX35 */
--
2.30.0.365.g02bc693789-goog
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