From patchwork Wed Jun 12 09:39:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 10989223 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 7E15413AF for ; Wed, 12 Jun 2019 09:39:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 66133289B7 for ; Wed, 12 Jun 2019 09:39:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5AA0D28A0B; Wed, 12 Jun 2019 09:39:30 +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 DD7B7289B7 for ; Wed, 12 Jun 2019 09:39:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437602AbfFLJj0 (ORCPT ); Wed, 12 Jun 2019 05:39:26 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:58175 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437577AbfFLJjX (ORCPT ); Wed, 12 Jun 2019 05:39:23 -0400 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1haziz-00053v-A7; Wed, 12 Jun 2019 11:39:21 +0200 From: Philipp Zabel To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Hans Verkuil , Boris Brezillon , Ezequiel Garcia , Nicolas Dufresne , Jonas Karlman , devicetree@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH v5 07/10] media: hantro: allow arbitrary number of clocks Date: Wed, 12 Jun 2019 11:39:12 +0200 Message-Id: <20190612093915.18973-8-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190612093915.18973-1-p.zabel@pengutronix.de> References: <20190612093915.18973-1-p.zabel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Dynamically allocate clocks and move clock names out of struct hantro_variant. This lifts the four clock limit and allows to use ARRAY_SIZE() to fill .num_clocks to reduce the risk of mismatches. Signed-off-by: Philipp Zabel Reviewed-by: Boris Brezillon --- Changes since v4 [1]: - Rebased onto media-tree master [1] https://patchwork.linuxtv.org/patch/56808/ --- drivers/staging/media/hantro/hantro.h | 6 ++---- drivers/staging/media/hantro/hantro_drv.c | 5 +++++ drivers/staging/media/hantro/rk3288_vpu_hw.c | 8 ++++++-- drivers/staging/media/hantro/rk3399_vpu_hw.c | 8 ++++++-- 4 files changed, 19 insertions(+), 8 deletions(-) diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h index 5c2f87272ce2..62dcca9ff19c 100644 --- a/drivers/staging/media/hantro/hantro.h +++ b/drivers/staging/media/hantro/hantro.h @@ -25,8 +25,6 @@ #include "hantro_hw.h" -#define HANTRO_MAX_CLOCKS 4 - #define MPEG2_MB_DIM 16 #define MPEG2_MB_WIDTH(w) DIV_ROUND_UP(w, MPEG2_MB_DIM) #define MPEG2_MB_HEIGHT(h) DIV_ROUND_UP(h, MPEG2_MB_DIM) @@ -88,7 +86,7 @@ struct hantro_variant { int (*runtime_resume)(struct hantro_dev *vpu); const struct hantro_irq *irqs; int num_irqs; - const char *clk_names[HANTRO_MAX_CLOCKS]; + const char * const *clk_names; int num_clocks; const char * const *reg_names; int num_regs; @@ -182,7 +180,7 @@ struct hantro_dev { struct hantro_func *decoder; struct platform_device *pdev; struct device *dev; - struct clk_bulk_data clocks[HANTRO_MAX_CLOCKS]; + struct clk_bulk_data *clocks; void __iomem **reg_bases; void __iomem *enc_base; void __iomem *dec_base; diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index fc8f3ed8e80c..1d3af881d088 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -687,6 +687,11 @@ static int hantro_probe(struct platform_device *pdev) INIT_DELAYED_WORK(&vpu->watchdog_work, hantro_watchdog); + vpu->clocks = devm_kcalloc(&pdev->dev, vpu->variant->num_clocks, + sizeof(*vpu->clocks), GFP_KERNEL); + if (!vpu->clocks) + return -ENOMEM; + for (i = 0; i < vpu->variant->num_clocks; i++) vpu->clocks[i].id = vpu->variant->clk_names[i]; ret = devm_clk_bulk_get(&pdev->dev, vpu->variant->num_clocks, diff --git a/drivers/staging/media/hantro/rk3288_vpu_hw.c b/drivers/staging/media/hantro/rk3288_vpu_hw.c index c5473bc1ac29..bcacc4f51093 100644 --- a/drivers/staging/media/hantro/rk3288_vpu_hw.c +++ b/drivers/staging/media/hantro/rk3288_vpu_hw.c @@ -166,6 +166,10 @@ static const struct hantro_irq rk3288_irqs[] = { { "vdpu", rk3288_vdpu_irq }, }; +static const char * const rk3288_clk_names[] = { + "aclk", "hclk" +}; + const struct hantro_variant rk3288_vpu_variant = { .enc_offset = 0x0, .enc_fmts = rk3288_vpu_enc_fmts, @@ -178,6 +182,6 @@ const struct hantro_variant rk3288_vpu_variant = { .irqs = rk3288_irqs, .num_irqs = ARRAY_SIZE(rk3288_irqs), .init = rk3288_vpu_hw_init, - .clk_names = {"aclk", "hclk"}, - .num_clocks = 2 + .clk_names = rk3288_clk_names, + .num_clocks = ARRAY_SIZE(rk3288_clk_names) }; diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw.c b/drivers/staging/media/hantro/rk3399_vpu_hw.c index 965030e21ea9..5718f8063542 100644 --- a/drivers/staging/media/hantro/rk3399_vpu_hw.c +++ b/drivers/staging/media/hantro/rk3399_vpu_hw.c @@ -165,6 +165,10 @@ static const struct hantro_irq rk3399_irqs[] = { { "vdpu", rk3399_vdpu_irq }, }; +static const char * const rk3399_clk_names[] = { + "aclk", "hclk" +}; + const struct hantro_variant rk3399_vpu_variant = { .enc_offset = 0x0, .enc_fmts = rk3399_vpu_enc_fmts, @@ -177,6 +181,6 @@ const struct hantro_variant rk3399_vpu_variant = { .irqs = rk3399_irqs, .num_irqs = ARRAY_SIZE(rk3399_irqs), .init = rk3399_vpu_hw_init, - .clk_names = {"aclk", "hclk"}, - .num_clocks = 2 + .clk_names = rk3399_clk_names, + .num_clocks = ARRAY_SIZE(rk3399_clk_names) };