[PATCH v1 1/3] sh: Cleanup about SPARSE_IRQ

From: Kefeng Wang
Date: Tue Sep 28 2021 - 22:34:26 EST


After commit 37744feebc08 ("sh: remove sh5 support"), sh always
enable SPARSE_IRQ, kill unused MAY_HAVE_SPARSE_IRQ and NR_IRQS
define.

Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
arch/sh/Kconfig | 1 -
arch/sh/include/asm/irq.h | 11 -----------
2 files changed, 12 deletions(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 6904f4bdbf00..70afb30e0b32 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -56,7 +56,6 @@ config SUPERH
select HAVE_STACKPROTECTOR
select HAVE_SYSCALL_TRACEPOINTS
select IRQ_FORCED_THREADING
- select MAY_HAVE_SPARSE_IRQ
select MODULES_USE_ELF_RELA
select NEED_SG_DMA_LENGTH
select NO_DMA if !MMU && !DMA_COHERENT
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 839551ce398c..1c4923502fd4 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -5,17 +5,6 @@
#include <linux/cpumask.h>
#include <asm/machvec.h>

-/*
- * Only legacy non-sparseirq platforms have to set a reasonably sane
- * value here. sparseirq platforms allocate their irq_descs on the fly,
- * so will expand automatically based on the number of registered IRQs.
- */
-#ifdef CONFIG_SPARSE_IRQ
-# define NR_IRQS 8
-#else
-# define NR_IRQS 512
-#endif
-
/*
* This is a special IRQ number for indicating that no IRQ has been
* triggered and to simply ignore the IRQ dispatch. This is a special
--
2.26.2