From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Thomas Gleixner <tglx@linutronix.de>, Guo Ren <guoren@kernel.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>, <linux-sh@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-csky@vger.kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 1/3] sh: Cleanup about SPARSE_IRQ
Date: Mon, 27 Sep 2021 16:14:00 +0800 [thread overview]
Message-ID: <20210927081402.191717-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20210927081402.191717-1-wangkefeng.wang@huawei.com>
After commit 37744feebc08 ("sh: remove sh5 support"), sh always
enable SPARSE_IRQ, kill unused MAY_HAVE_SPARSE_IRQ and NR_IRQS
define under !CONFIG_SPARSE_IRQ.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
arch/sh/Kconfig | 1 -
arch/sh/include/asm/irq.h | 9 ---------
2 files changed, 10 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..5a7b6e324e4c 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -5,16 +5,7 @@
#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
--
2.26.2
next prev parent reply other threads:[~2021-09-27 8:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 8:13 [PATCH 0/3] Cleanup MAY_HAVE_SPARSE_IRQ Kefeng Wang
2021-09-27 8:14 ` Kefeng Wang [this message]
2021-09-27 14:29 ` [PATCH 1/3] sh: Cleanup about SPARSE_IRQ Geert Uytterhoeven
2021-09-27 8:14 ` [PATCH 2/3] csky: Use SPARSE_IRQ Kefeng Wang
2021-09-28 3:39 ` Guo Ren
2021-09-28 4:47 ` Kefeng Wang
2021-09-27 8:14 ` [PATCH 3/3] genirq: Cleanup Kconfig Kefeng Wang
2021-09-27 12:09 ` [PATCH 0/3] Cleanup MAY_HAVE_SPARSE_IRQ Guo Ren
2021-09-27 12:35 ` Kefeng Wang
2021-09-27 14:08 ` Guo Ren
2021-09-28 5:08 ` Guo Ren
2021-09-28 5:43 ` Kefeng Wang
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