From patchwork Thu Jan 9 00:28:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 11324917 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 91768138C for ; Thu, 9 Jan 2020 00:29:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6FFCA20720 for ; Thu, 9 Jan 2020 00:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727308AbgAIA3A (ORCPT ); Wed, 8 Jan 2020 19:29:00 -0500 Received: from relmlor1.renesas.com ([210.160.252.171]:25335 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726438AbgAIA3A (ORCPT ); Wed, 8 Jan 2020 19:29:00 -0500 Date: 09 Jan 2020 09:28:59 +0900 X-IronPort-AV: E=Sophos;i="5.69,411,1571670000"; d="scan'208";a="36230870" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 09 Jan 2020 09:28:59 +0900 Received: from morimoto-PC.renesas.com (unknown [10.166.18.140]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 117054009BEC; Thu, 9 Jan 2020 09:28:59 +0900 (JST) Message-ID: <87lfqhscac.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH][repost] sh: clkfwk: remove r8/r16/r32 User-Agent: Wanderlust/2.15.9 Emacs/24.5 Mule/6.0 To: Yoshinori Sato , Rich Felker , Andrew Morton Cc: Linux-SH , Linux-Renesas In-Reply-To: <87o8vdsceg.wl-kuninori.morimoto.gx@renesas.com> References: <87o8vdsceg.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org From: Kuninori Morimoto SH will get below warning ${LINUX}/drivers/sh/clk/cpg.c: In function 'r8': ${LINUX}/drivers/sh/clk/cpg.c:41:17: warning: passing argument 1 of 'ioread8' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return ioread8(addr); ^~~~ In file included from ${LINUX}/arch/sh/include/asm/io.h:21, from ${LINUX}/include/linux/io.h:13, from ${LINUX}/drivers/sh/clk/cpg.c:14: ${LINUX}/include/asm-generic/iomap.h:29:29: note: expected 'void *' but argument is of type 'const void *' extern unsigned int ioread8(void __iomem *); ^~~~~~~~~~~~~~ We don't need "const" for r8/r16/r32. And we don't need r8/r16/r32 themselvs. This patch cleanup these. Signed-off-by: Kuninori Morimoto Reviewed-by: Geert Uytterhoeven --- drivers/sh/clk/cpg.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c index eeb028b9..a5cacfe 100644 --- a/drivers/sh/clk/cpg.c +++ b/drivers/sh/clk/cpg.c @@ -36,36 +36,21 @@ static void sh_clk_write(int value, struct clk *clk) iowrite32(value, clk->mapped_reg); } -static unsigned int r8(const void __iomem *addr) -{ - return ioread8(addr); -} - -static unsigned int r16(const void __iomem *addr) -{ - return ioread16(addr); -} - -static unsigned int r32(const void __iomem *addr) -{ - return ioread32(addr); -} - static int sh_clk_mstp_enable(struct clk *clk) { sh_clk_write(sh_clk_read(clk) & ~(1 << clk->enable_bit), clk); if (clk->status_reg) { - unsigned int (*read)(const void __iomem *addr); + unsigned int (*read)(void __iomem *addr); int i; void __iomem *mapped_status = (phys_addr_t)clk->status_reg - (phys_addr_t)clk->enable_reg + clk->mapped_reg; if (clk->flags & CLK_ENABLE_REG_8BIT) - read = r8; + read = ioread8; else if (clk->flags & CLK_ENABLE_REG_16BIT) - read = r16; + read = ioread16; else - read = r32; + read = ioread32; for (i = 1000; (read(mapped_status) & (1 << clk->enable_bit)) && i;