linux-kernel - [PATCH] clk: stm32mp1: Add CLK_IGNORE_UNUSED to ck_sys

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1524556723-26926-1-git-send-email-gabriel.fernandez@st.com>
Date:   Tue, 24 Apr 2018 09:58:43 +0200
From:   <gabriel.fernandez@...com>
To:     <sboyd@...nel.org>, Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Alexandre Torgue <alexandre.torgue@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <olivier.bideau@...com>, Loic PALLARDY <loic.pallardy@...com>,
        benjamin GAIGNARD <benjamin.gaignard@...com>,
        Gabriel Fernandez <gabriel.fernandez@...com>
Subject: [PATCH] clk: stm32mp1: Add CLK_IGNORE_UNUSED to ck_sys_dbg clock

From: Gabriel Fernandez <gabriel.fernandez@...com>

Don't disable the dbg clock if was set by bootloader.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...com>
---
 drivers/clk/clk-stm32mp1.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index edd3cf4..35dabf1 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -1988,7 +1988,8 @@ enum {
 		  _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)),
 
 	/* Debug clocks */
-	GATE(CK_DBG, "ck_sys_dbg", "ck_axi", 0, RCC_DBGCFGR, 8, 0),
+	GATE(CK_DBG, "ck_sys_dbg", "ck_axi", CLK_IGNORE_UNUSED,
+	     RCC_DBGCFGR, 8, 0),
 
 	COMPOSITE(CK_TRACE, "ck_trace", ck_trace_src, CLK_OPS_PARENT_ENABLE,
 		  _GATE(RCC_DBGCFGR, 9, 0),
-- 
1.9.1