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Message-Id: <adbcde9034d752dcdbf90e995aaa14f85c33c9c3.1716965617.git.ysato@users.sourceforge.jp>
Date: Wed, 29 May 2024 17:00:51 +0900
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: linux-sh@...r.kernel.org
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Damien Le Moal <dlemoal@...nel.org>,
Niklas Cassel <cassel@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
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Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
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Subject: [DO NOT MERGE v8 05/36] sh: GENERIC_IRQ_CHIP support for CONFIG_OF=y
Remove unused function prototype.
Add helper update_sr_imask. use for SH7751 irq driver.
Add stub intc_finalize.
Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
---
arch/sh/include/asm/io.h | 2 ++
arch/sh/include/asm/irq.h | 10 ++++++++--
arch/sh/kernel/cpu/Makefile | 5 +----
arch/sh/kernel/cpu/irq/imask.c | 17 +++++++++++++++++
include/linux/sh_intc.h | 7 ++++++-
5 files changed, 34 insertions(+), 7 deletions(-)
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index cf5eab840d57..5c544cf5201b 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -121,7 +121,9 @@ __BUILD_MEMORY_STRING(__raw_, q, u64)
#define ioport_map ioport_map
#define ioport_unmap ioport_unmap
+#ifndef CONFIG_SH_DEVICE_TREE
#define pci_iounmap pci_iounmap
+#endif
#define ioread8 ioread8
#define ioread16 ioread16
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 0f384b1f45ca..3d897229dcc4 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -16,8 +16,8 @@
/*
* Simple Mask Register Support
*/
-extern void make_maskreg_irq(unsigned int irq);
-extern unsigned short *irq_mask_register;
+
+void update_sr_imask(unsigned int irq, bool enable);
/*
* PINT IRQs
@@ -54,4 +54,10 @@ extern void irq_finish(unsigned int irq);
#include <asm-generic/irq.h>
+/* SH3/4 INTC stuff */
+/* IRL level 0 - 15 */
+#define NR_IRL 15
+/* IRL0 -> IRQ16 */
+#define IRL_BASE_IRQ 16
+
#endif /* __ASM_SH_IRQ_H */
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index e00ebf134985..ad12807fae9c 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -20,7 +20,4 @@ ifndef CONFIG_COMMON_CLK
obj-y += clock.o
obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o
endif
-ifndef CONFIG_GENERIC_IRQ_CHIP
-obj-y += irq/
-endif
-obj-y += init.o fpu.o pfc.o proc.o
+obj-y += init.o fpu.o pfc.o proc.o irq/
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index 572585c3f2fd..7589ca7c506c 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -51,6 +51,7 @@ static inline void set_interrupt_registers(int ip)
: "t");
}
+#ifndef CONFIG_GENERIC_IRQ_CHIP
static void mask_imask_irq(struct irq_data *data)
{
unsigned int irq = data->irq;
@@ -83,3 +84,19 @@ void make_imask_irq(unsigned int irq)
irq_set_chip_and_handler_name(irq, &imask_irq_chip, handle_level_irq,
"level");
}
+#else
+void update_sr_imask(unsigned int irq, bool enable)
+{
+ if (enable) {
+ set_bit(irq, imask_mask);
+ interrupt_priority = IMASK_PRIORITY -
+ find_first_bit(imask_mask, IMASK_PRIORITY);
+ } else {
+ clear_bit(irq, imask_mask);
+ if (interrupt_priority < IMASK_PRIORITY - irq)
+ interrupt_priority = IMASK_PRIORITY - irq;
+ }
+ set_interrupt_registers(interrupt_priority);
+}
+EXPORT_SYMBOL(update_sr_imask);
+#endif
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index 27ae79191bdc..994b5b05a0d7 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -139,8 +139,13 @@ struct intc_desc symbol __initdata = { \
int register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
int intc_irq_lookup(const char *chipname, intc_enum enum_id);
+#ifndef CONFIG_SH_DEVICE_TREE
void intc_finalize(void);
-
+#else
+static inline void intc_finalize(void)
+{
+}
+#endif
#ifdef CONFIG_INTC_USERIMASK
int register_intc_userimask(unsigned long addr);
#else
--
2.39.2
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