From patchwork Mon Aug 27 16:10:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 10577403 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8CADD920 for ; Mon, 27 Aug 2018 16:10:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 80CB529E09 for ; Mon, 27 Aug 2018 16:10:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7B66729E5F; Mon, 27 Aug 2018 16:10:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 000AE29E49 for ; Mon, 27 Aug 2018 16:10:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727111AbeH0T5k (ORCPT ); Mon, 27 Aug 2018 15:57:40 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:29781 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727100AbeH0T5j (ORCPT ); Mon, 27 Aug 2018 15:57:39 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 41zcKz4mLVz9ttmM; Mon, 27 Aug 2018 18:10:15 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id 9ipMeZYZad-c; Mon, 27 Aug 2018 18:10:15 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 41zcKz4D67z9ttlx; Mon, 27 Aug 2018 18:10:15 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 062B48B7D5; Mon, 27 Aug 2018 18:10:24 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id JlP-wpgLAu3P; Mon, 27 Aug 2018 18:10:23 +0200 (CEST) Received: from pc16082vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.3]) by messagerie.si.c-s.fr (Postfix) with ESMTP id BD88D8B7D1; Mon, 27 Aug 2018 18:10:23 +0200 (CEST) Received: by pc16082vm.idsi0.si.c-s.fr (Postfix, from userid 0) id B7B9D711E6; Mon, 27 Aug 2018 16:10:23 +0000 (UTC) Message-Id: In-Reply-To: References: From: Christophe Leroy Subject: [PATCH v2 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU) To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Bartlomiej Zolnierkiewicz , Jens Axboe Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-block@vger.kernel.org, linux-m68k@lists.linux-m68k.org Date: Mon, 27 Aug 2018 16:10:23 +0000 (UTC) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP _PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- v2: removed unnecessary includes headers drivers/video/fbdev/controlfb.c | 5 +---- drivers/video/fbdev/platinumfb.c | 5 +---- drivers/video/fbdev/valkyriefb.c | 12 ++++++------ 3 files changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c index 8d14b29aafea..9cb0ef7ac29e 100644 --- a/drivers/video/fbdev/controlfb.c +++ b/drivers/video/fbdev/controlfb.c @@ -48,9 +48,7 @@ #include #include #include -#include #include -#include #include #include "macmodes.h" @@ -715,8 +713,7 @@ static int __init control_of_init(struct device_node *dp) goto error_out; } /* map at most 8MB for the frame buffer */ - p->frame_buffer = __ioremap(p->frame_buffer_phys, 0x800000, - _PAGE_WRITETHRU); + p->frame_buffer = ioremap_wt(p->frame_buffer_phys, 0x800000); if (!p->control_regs_phys || !request_mem_region(p->control_regs_phys, p->control_regs_size, diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c index 377d3399a3ad..bf6b7fb83cf4 100644 --- a/drivers/video/fbdev/platinumfb.c +++ b/drivers/video/fbdev/platinumfb.c @@ -32,9 +32,7 @@ #include #include #include -#include #include -#include #include "macmodes.h" #include "platinumfb.h" @@ -577,8 +575,7 @@ static int platinumfb_probe(struct platform_device* odev) /* frame buffer - map only 4MB */ pinfo->frame_buffer_phys = pinfo->rsrc_fb.start; - pinfo->frame_buffer = __ioremap(pinfo->rsrc_fb.start, 0x400000, - _PAGE_WRITETHRU); + pinfo->frame_buffer = ioremap_wt(pinfo->rsrc_fb.start, 0x400000); pinfo->base_frame_buffer = pinfo->frame_buffer; /* registers */ diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c index 275fb98236d3..d51c3a8009cb 100644 --- a/drivers/video/fbdev/valkyriefb.c +++ b/drivers/video/fbdev/valkyriefb.c @@ -54,13 +54,11 @@ #include #include #include -#include #ifdef CONFIG_MAC #include #else #include #endif -#include #include "macmodes.h" #include "valkyriefb.h" @@ -318,7 +316,7 @@ static void __init valkyrie_choose_mode(struct fb_info_valkyrie *p) int __init valkyriefb_init(void) { struct fb_info_valkyrie *p; - unsigned long frame_buffer_phys, cmap_regs_phys, flags; + unsigned long frame_buffer_phys, cmap_regs_phys; int err; char *option = NULL; @@ -337,7 +335,6 @@ int __init valkyriefb_init(void) /* Hardcoded addresses... welcome to 68k Macintosh country :-) */ frame_buffer_phys = 0xf9000000; cmap_regs_phys = 0x50f24000; - flags = IOMAP_NOCACHE_SER; /* IOMAP_WRITETHROUGH?? */ #else /* ppc (!CONFIG_MAC) */ { struct device_node *dp; @@ -354,7 +351,6 @@ int __init valkyriefb_init(void) frame_buffer_phys = r.start; cmap_regs_phys = r.start + 0x304000; - flags = _PAGE_WRITETHRU; } #endif /* ppc (!CONFIG_MAC) */ @@ -369,7 +365,11 @@ int __init valkyriefb_init(void) } p->total_vram = 0x100000; p->frame_buffer_phys = frame_buffer_phys; - p->frame_buffer = __ioremap(frame_buffer_phys, p->total_vram, flags); +#ifdef CONFIG_MAC + p->frame_buffer = ioremap_nocache(frame_buffer_phys, p->total_vram); +#else + p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram); +#endif p->cmap_regs_phys = cmap_regs_phys; p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000); p->valkyrie_regs_phys = cmap_regs_phys+0x6000;