From patchwork Fri Oct 5 15:39:49 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Afzal Mohammed X-Patchwork-Id: 1554321 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id AF5FB3FE80 for ; Fri, 5 Oct 2012 15:47:15 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TKA3A-0007ko-9u; Fri, 05 Oct 2012 15:42:53 +0000 Received: from bear.ext.ti.com ([192.94.94.41]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TKA0G-0006Vq-Vy for linux-arm-kernel@lists.infradead.org; Fri, 05 Oct 2012 15:39:56 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id q95FdoD2002163; Fri, 5 Oct 2012 10:39:51 -0500 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q95FdoRV011971; Fri, 5 Oct 2012 21:09:50 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Fri, 5 Oct 2012 21:09:50 +0530 Received: from psplinux063.india.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id q95FdnEW007905; Fri, 5 Oct 2012 21:09:49 +0530 From: Afzal Mohammed To: Tony Lindgren , Jon Hunter , Paul Walmsley Subject: [PATCH v8 6/6] ARM: OMAP2+: gpmc: remove cs# in sync clk div calc Date: Fri, 5 Oct 2012 21:09:49 +0530 Message-ID: X-Mailer: git-send-email 1.7.12 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -9.0 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.41 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -2.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Afzal Mohammed , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Divider value for a certain sync clk is determined solely based on gpmc fclk. CS# does not have any role here, thus remove presence of CS# in clock divider calculation API. Signed-off-by: Afzal Mohammed Reviewed-by: Jon Hunter --- arch/arm/mach-omap2/gpmc-onenand.c | 3 +-- arch/arm/mach-omap2/gpmc.c | 4 ++-- arch/arm/plat-omap/include/plat/gpmc.h | 2 +- 3 files changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index ac06e90..544d501 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -182,7 +182,6 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, int min_gpmc_clk_period, t_ces, t_avds, t_avdh, t_ach, t_aavdh, t_rdyo; int div, fclk_offset_ns, fclk_offset, gpmc_clk_ns; int ticks_cez; - int cs = cfg->cs; if (cfg->flags & ONENAND_SYNC_READ) onenand_flags = ONENAND_FLAG_SYNCREAD; @@ -229,7 +228,7 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, break; } - div = gpmc_cs_calc_divider(cs, min_gpmc_clk_period); + div = gpmc_calc_divider(min_gpmc_clk_period); gpmc_clk_ns = gpmc_ticks_to_ns(div); if (gpmc_clk_ns < 15) /* >66Mhz */ onenand_flags |= ONENAND_FLAG_HF; diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index c2d90f6..2cbdcb9 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -328,7 +328,7 @@ static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, return -1 #endif -int gpmc_cs_calc_divider(int cs, unsigned int sync_clk) +int gpmc_calc_divider(unsigned int sync_clk) { int div; u32 l; @@ -348,7 +348,7 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) int div; u32 l; - div = gpmc_cs_calc_divider(cs, t->sync_clk); + div = gpmc_calc_divider(t->sync_clk); if (div < 0) return div; diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h index b7c9ea6..1cafbfd 100644 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ b/arch/arm/plat-omap/include/plat/gpmc.h @@ -179,7 +179,7 @@ extern unsigned long gpmc_get_fclk_period(void); extern void gpmc_cs_write_reg(int cs, int idx, u32 val); extern u32 gpmc_cs_read_reg(int cs, int idx); -extern int gpmc_cs_calc_divider(int cs, unsigned int sync_clk); +extern int gpmc_calc_divider(unsigned int sync_clk); extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t); extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base); extern void gpmc_cs_free(int cs);