From patchwork Thu Jul 28 14:28:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 12931401 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49A2DC25B07 for ; Thu, 28 Jul 2022 14:36:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232859AbiG1OgU (ORCPT ); Thu, 28 Jul 2022 10:36:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229628AbiG1OfO (ORCPT ); Thu, 28 Jul 2022 10:35:14 -0400 Received: from mail.baikalelectronics.com (unknown [87.245.175.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 345944330E for ; Thu, 28 Jul 2022 07:34:34 -0700 (PDT) Received: from mail (mail.baikal.int [192.168.51.25]) by mail.baikalelectronics.com (Postfix) with ESMTP id B598D5BFA; Thu, 28 Jul 2022 17:31:27 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.baikalelectronics.com B598D5BFA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baikalelectronics.ru; s=mail; t=1659018687; bh=qcOb5ZXVjeCzOT8E2zsmlDWQ09EIKAIu1zgK2goMQRM=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=b9QWiXHCecSdkpYv/2SYAEc3Lk/ke5R58bGfo5oEqVgGI1XXl/fZRDOdHt0aYYfuI mdDlW68ipJA5MJUGn0J1HlMfEExHJupr83CkjZdCjY6EIiRhyE7/ByFAKSN9r9EHyl JukKks3M4iojmE4ZPF9w0SCQHn8cuux6+HNrrKjA= Received: from localhost (192.168.53.207) by mail (192.168.51.25) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 28 Jul 2022 17:29:02 +0300 From: Serge Semin To: Gustavo Pimentel , Vinod Koul , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , Jingoo Han , Frank Li , Manivannan Sadhasivam CC: Serge Semin , Serge Semin , Alexey Malahov , Pavel Parkhomenko , =?utf-8?q?Krzys?= =?utf-8?q?ztof_Wilczy=C5=84ski?= , , , Subject: [PATCH v4 18/24] dmaengine: dw-edma: Use DMA-engine device DebugFS subdirectory Date: Thu, 28 Jul 2022 17:28:35 +0300 Message-ID: <20220728142841.12305-19-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20220728142841.12305-1-Sergey.Semin@baikalelectronics.ru> References: <20220728142841.12305-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Since all DW eDMA read and write channels are now installed in a framework of a single DMA-engine device, we can freely move all the DW eDMA-specific DebugFS nodes into a ready-to-use DMA-engine DebugFS subdirectory. It's created during the DMA-device registration and can be found in the dma_device.dbg_dev_root field. Signed-off-by: Serge Semin Reviewed-by: Manivannan Sadhasivam Tested-by: Manivannan Sadhasivam Acked-By: Vinod Koul --- drivers/dma/dw-edma/dw-edma-core.c | 3 --- drivers/dma/dw-edma/dw-edma-core.h | 3 --- drivers/dma/dw-edma/dw-edma-v0-core.c | 5 ----- drivers/dma/dw-edma/dw-edma-v0-core.h | 1 - drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 16 ++++------------ drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 5 ----- 6 files changed, 4 insertions(+), 29 deletions(-) diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index f5124e7b50cf..7ba3b60c960c 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -1050,9 +1050,6 @@ int dw_edma_remove(struct dw_edma_chip *chip) list_del(&chan->vc.chan.device_node); } - /* Turn debugfs off */ - dw_edma_v0_core_debugfs_off(dw); - return 0; } EXPORT_SYMBOL_GPL(dw_edma_remove); diff --git a/drivers/dma/dw-edma/dw-edma-core.h b/drivers/dma/dw-edma/dw-edma-core.h index b576a8fff45a..e3ad3e372b55 100644 --- a/drivers/dma/dw-edma/dw-edma-core.h +++ b/drivers/dma/dw-edma/dw-edma-core.h @@ -111,9 +111,6 @@ struct dw_edma { raw_spinlock_t lock; /* Only for legacy */ struct dw_edma_chip *chip; -#ifdef CONFIG_DEBUG_FS - struct dentry *debugfs; -#endif /* CONFIG_DEBUG_FS */ }; struct dw_edma_sg { diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c index 607647dacc29..bb017d37c9ad 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-core.c +++ b/drivers/dma/dw-edma/dw-edma-v0-core.c @@ -512,8 +512,3 @@ void dw_edma_v0_core_debugfs_on(struct dw_edma *dw) { dw_edma_v0_debugfs_on(dw); } - -void dw_edma_v0_core_debugfs_off(struct dw_edma *dw) -{ - dw_edma_v0_debugfs_off(dw); -} diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.h b/drivers/dma/dw-edma/dw-edma-v0-core.h index 75aec6d31b21..ab96a1f48080 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-core.h +++ b/drivers/dma/dw-edma/dw-edma-v0-core.h @@ -23,6 +23,5 @@ void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first); int dw_edma_v0_core_device_config(struct dw_edma_chan *chan); /* eDMA debug fs callbacks */ void dw_edma_v0_core_debugfs_on(struct dw_edma *dw); -void dw_edma_v0_core_debugfs_off(struct dw_edma *dw); #endif /* _DW_EDMA_V0_CORE_H */ diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c index e6cf608d121b..d12c607433bf 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c +++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c @@ -268,7 +268,7 @@ static void dw_edma_debugfs_regs(struct dw_edma *dw) struct dentry *regs_dent; int nr_entries; - regs_dent = debugfs_create_dir(REGISTERS_STR, dw->debugfs); + regs_dent = debugfs_create_dir(REGISTERS_STR, dw->dma.dbg_dev_root); nr_entries = ARRAY_SIZE(debugfs_regs); dw_edma_debugfs_create_x32(dw, debugfs_regs, nr_entries, regs_dent); @@ -282,17 +282,9 @@ void dw_edma_v0_debugfs_on(struct dw_edma *dw) if (!debugfs_initialized()) return; - dw->debugfs = debugfs_create_dir(dw->name, NULL); - - debugfs_create_u32("mf", 0444, dw->debugfs, &dw->chip->mf); - debugfs_create_u16("wr_ch_cnt", 0444, dw->debugfs, &dw->wr_ch_cnt); - debugfs_create_u16("rd_ch_cnt", 0444, dw->debugfs, &dw->rd_ch_cnt); + debugfs_create_u32("mf", 0444, dw->dma.dbg_dev_root, &dw->chip->mf); + debugfs_create_u16("wr_ch_cnt", 0444, dw->dma.dbg_dev_root, &dw->wr_ch_cnt); + debugfs_create_u16("rd_ch_cnt", 0444, dw->dma.dbg_dev_root, &dw->rd_ch_cnt); dw_edma_debugfs_regs(dw); } - -void dw_edma_v0_debugfs_off(struct dw_edma *dw) -{ - debugfs_remove_recursive(dw->debugfs); - dw->debugfs = NULL; -} diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.h b/drivers/dma/dw-edma/dw-edma-v0-debugfs.h index 3391b86edf5a..fb3342d97d6d 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.h +++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.h @@ -13,15 +13,10 @@ #ifdef CONFIG_DEBUG_FS void dw_edma_v0_debugfs_on(struct dw_edma *dw); -void dw_edma_v0_debugfs_off(struct dw_edma *dw); #else static inline void dw_edma_v0_debugfs_on(struct dw_edma *dw) { } - -static inline void dw_edma_v0_debugfs_off(struct dw_edma *dw) -{ -} #endif /* CONFIG_DEBUG_FS */ #endif /* _DW_EDMA_V0_DEBUG_FS_H */