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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id o11sm5532224pgd.58.2020.04.24.13.01.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Apr 2020 13:01:55 -0700 (PDT) From: Mathieu Poirier To: bjorn.andersson@linaro.org, ohad@wizery.com Cc: loic.pallardy@st.com, arnaud.pouliquen@st.com, s-anna@ti.com, linux-remoteproc@vger.kernel.org, corbet@lwn.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 14/14] remoteproc: Expose synchronisation flags via debugfs Date: Fri, 24 Apr 2020 14:01:35 -0600 Message-Id: <20200424200135.28825-15-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200424200135.28825-1-mathieu.poirier@linaro.org> References: <20200424200135.28825-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Add a debugfs entry that reflects the value of the current synchronisation flags used by the remoteproc core. Signed-off-by: Mathieu Poirier --- drivers/remoteproc/remoteproc_debugfs.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 732770e92b99..3dde24e62cd8 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -291,6 +291,25 @@ static int rproc_carveouts_show(struct seq_file *seq, void *p) DEFINE_SHOW_ATTRIBUTE(rproc_carveouts); + /* Expose synchronisation states via debugfs */ +static int rproc_sync_flags_show(struct seq_file *seq, void *p) +{ + struct rproc *rproc = seq->private; + + seq_printf(seq, "Sync with rproc: %s\n", + rproc->sync_with_rproc ? "true" : "false"); + seq_printf(seq, "On init: %s\n", + rproc->sync_flags.on_init ? "true" : "false"); + seq_printf(seq, "After stop: %s\n", + rproc->sync_flags.after_stop ? "true" : "false"); + seq_printf(seq, "After crash: %s\n", + rproc->sync_flags.after_crash ? "true" : "false"); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(rproc_sync_flags); + void rproc_remove_trace_file(struct dentry *tfile) { debugfs_remove(tfile); @@ -337,6 +356,8 @@ void rproc_create_debug_dir(struct rproc *rproc) rproc, &rproc_rsc_table_fops); debugfs_create_file("carveout_memories", 0400, rproc->dbg_dir, rproc, &rproc_carveouts_fops); + debugfs_create_file("sync_flags", 0400, rproc->dbg_dir, + rproc, &rproc_sync_flags_fops); } void __init rproc_init_debugfs(void) -- 2.20.1