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[109.252.192.83]) by smtp.gmail.com with ESMTPSA id n24sm569223ljg.99.2020.11.04.08.56.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 08:56:45 -0800 (PST) From: Dmitry Osipenko To: Michael Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] clk: Add enable-state column to clk summary Date: Wed, 4 Nov 2020 19:56:31 +0300 Message-Id: <20201104165631.22295-1-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add "enable state" column to the clk summary. It's handy to know actual hardware state of all clocks for debugging purposes. In conjunction with clk_ignore_unused, this tells us what unused clocks are left on after bootloader without disabling the clocks. It's also s useful debugging information for cases where firmware touches clocks. Signed-off-by: Dmitry Osipenko --- drivers/clk/clk.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index f83dac54ed85..07fbdea488bc 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2931,7 +2931,8 @@ static void clk_summary_show_one(struct seq_file *s, struct clk_core *c, else seq_puts(s, "-----"); - seq_printf(s, " %6d\n", clk_core_get_scaled_duty_cycle(c, 100000)); + seq_printf(s, " %6d", clk_core_get_scaled_duty_cycle(c, 100000)); + seq_printf(s, " %7d\n", clk_core_is_enabled(c)); } static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c, @@ -2950,9 +2951,9 @@ static int clk_summary_show(struct seq_file *s, void *data) struct clk_core *c; struct hlist_head **lists = (struct hlist_head **)s->private; - seq_puts(s, " enable prepare protect duty\n"); - seq_puts(s, " clock count count count rate accuracy phase cycle\n"); - seq_puts(s, "---------------------------------------------------------------------------------------------\n"); + seq_puts(s, " enable prepare protect duty enable\n"); + seq_puts(s, " clock count count count rate accuracy phase cycle state\n"); + seq_puts(s, "-----------------------------------------------------------------------------------------------------\n"); clk_prepare_lock(); -- 2.27.0