From patchwork Sat Sep 19 02:51:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qinglang Miao X-Patchwork-Id: 11786589 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 8D24D618 for ; Sat, 19 Sep 2020 02:51:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7DA9C208DB for ; Sat, 19 Sep 2020 02:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726390AbgISCvl (ORCPT ); Fri, 18 Sep 2020 22:51:41 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:43042 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726009AbgISCvi (ORCPT ); Fri, 18 Sep 2020 22:51:38 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id BBB30DF5AD78B628E014; Sat, 19 Sep 2020 10:51:35 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Sat, 19 Sep 2020 10:51:26 +0800 From: Qinglang Miao To: Rob Clark , Sean Paul , David Airlie , Daniel Vetter CC: , , , , "Qinglang Miao" Subject: [PATCH -next v2] drm/msm/dpu: Convert to DEFINE_SHOW_ATTRIBUTE Date: Sat, 19 Sep 2020 10:51:58 +0800 Message-ID: <20200919025158.17264-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by: Qinglang Miao --- v2: based on linux-next(20200917), and can be applied to mainline cleanly now. drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 15 +--------- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 29 ++------------------ drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 15 ++-------- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 17 ++---------- 4 files changed, 8 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c index f1bc6a1af..84ea09d96 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c @@ -288,19 +288,6 @@ static void dpu_disable_all_irqs(struct dpu_kms *dpu_kms) } #ifdef CONFIG_DEBUG_FS -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \ -static int __prefix ## _open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, __prefix ## _show, inode->i_private); \ -} \ -static const struct file_operations __prefix ## _fops = { \ - .owner = THIS_MODULE, \ - .open = __prefix ## _open, \ - .release = single_release, \ - .read = seq_read, \ - .llseek = seq_lseek, \ -} - static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v) { struct dpu_irq *irq_obj = s->private; @@ -328,7 +315,7 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v) return 0; } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_core_irq); +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq); void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms, struct dentry *parent) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 6169148b3..f56414a06 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1177,23 +1177,7 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data) return 0; } -static int _dpu_debugfs_status_open(struct inode *inode, struct file *file) -{ - return single_open(file, _dpu_debugfs_status_show, inode->i_private); -} - -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \ -static int __prefix ## _open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, __prefix ## _show, inode->i_private); \ -} \ -static const struct file_operations __prefix ## _fops = { \ - .owner = THIS_MODULE, \ - .open = __prefix ## _open, \ - .release = single_release, \ - .read = seq_read, \ - .llseek = seq_lseek, \ -} +DEFINE_SHOW_ATTRIBUTE(_dpu_debugfs_status); static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v) { @@ -1210,25 +1194,18 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v) return 0; } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_crtc_debugfs_state); +DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_state); static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc) { struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); - static const struct file_operations debugfs_status_fops = { - .open = _dpu_debugfs_status_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - }; - dpu_crtc->debugfs_root = debugfs_create_dir(dpu_crtc->name, crtc->dev->primary->debugfs_root); debugfs_create_file("status", 0400, dpu_crtc->debugfs_root, - dpu_crtc, &debugfs_status_fops); + dpu_crtc, &_dpu_debugfs_status_fops); debugfs_create_file("state", 0600, dpu_crtc->debugfs_root, &dpu_crtc->base, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index bd6def436..da192e275 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1880,24 +1880,13 @@ static int _dpu_encoder_status_show(struct seq_file *s, void *data) return 0; } -static int _dpu_encoder_debugfs_status_open(struct inode *inode, - struct file *file) -{ - return single_open(file, _dpu_encoder_status_show, inode->i_private); -} +DEFINE_SHOW_ATTRIBUTE(_dpu_encoder_status); static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); int i; - static const struct file_operations debugfs_status_fops = { - .open = _dpu_encoder_debugfs_status_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - }; - char name[DPU_NAME_SIZE]; if (!drm_enc->dev) { @@ -1913,7 +1902,7 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) /* don't error check these */ debugfs_create_file("status", 0600, - dpu_enc->debugfs_root, dpu_enc, &debugfs_status_fops); + dpu_enc->debugfs_root, dpu_enc, &_dpu_encoder_status_fops); for (i = 0; i < dpu_enc->num_phys_encs; i++) if (dpu_enc->phys_encs[i]->ops.late_register) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 5abf0047c..0649d1dee 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -85,30 +85,17 @@ static int _dpu_danger_signal_status(struct seq_file *s, return 0; } -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \ -static int __prefix ## _open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, __prefix ## _show, inode->i_private); \ -} \ -static const struct file_operations __prefix ## _fops = { \ - .owner = THIS_MODULE, \ - .open = __prefix ## _open, \ - .release = single_release, \ - .read = seq_read, \ - .llseek = seq_lseek, \ -} - static int dpu_debugfs_danger_stats_show(struct seq_file *s, void *v) { return _dpu_danger_signal_status(s, true); } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_danger_stats); +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_danger_stats); static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v) { return _dpu_danger_signal_status(s, false); } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_safe_stats); +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_safe_stats); static void dpu_debugfs_danger_init(struct dpu_kms *dpu_kms, struct dentry *parent)