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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>,
	Geert Uytterhoeven <geert+renesas@glider.be>
Subject: [PATCH v1 1/3] sh: Cleanup about SPARSE_IRQ
Date: Wed, 29 Sep 2021 10:35:20 +0800	[thread overview]
Message-ID: <20210929023522.57732-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20210929023522.57732-1-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.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 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


  reply	other threads:[~2021-09-29  2:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-29  2:35 [PATCH v2 0/3] Cleanup MAY_HAVE_SPARSE_IRQ Kefeng Wang
2021-09-29  2:35 ` Kefeng Wang [this message]
2021-09-29  2:35 ` [PATCH v2 2/3] csky: Kill MAY_HAVE_SPARSE_IRQ Kefeng Wang
2021-09-29  2:35 ` [PATCH v3 3/3] genirq: Cleanup Kconfig Kefeng Wang
2021-09-29  7:21 ` [PATCH v2 0/3] Cleanup MAY_HAVE_SPARSE_IRQ Geert Uytterhoeven
2021-09-29  8:12   ` Kefeng Wang
2021-10-19 12:30 ` Kefeng Wang

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