From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754072AbcEJBBi (ORCPT ); Mon, 9 May 2016 21:01:38 -0400 Received: from anholt.net ([50.246.234.109]:33176 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753942AbcEJBBg (ORCPT ); Mon, 9 May 2016 21:01:36 -0400 From: Eric Anholt To: Michael Turquette , Stephen Boyd Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , Eric Anholt Subject: [PATCH 2/3] clk: bcm2835: Mark GPIO clocks enabled at boot as critical. Date: Mon, 9 May 2016 18:01:29 -0700 Message-Id: <1462842090-2017-3-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1462842090-2017-1-git-send-email-eric@anholt.net> References: <1462842090-2017-1-git-send-email-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These divide off of PLLD_PER and are used for the ethernet and wifi PHYs source PLLs. Neither of them is currently represented by a phy device that would grab the clock for us. This keeps other drivers from killing the networking PHYs when they disable their own clocks and trigger PLLD_PER's refcount going to 0. Signed-off-by: Eric Anholt --- drivers/clk/bcm/clk-bcm2835.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index d9db03cb3fd8..1091012ecec6 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -1708,13 +1708,15 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .div_reg = CM_GP1DIV, .int_bits = 12, .frac_bits = 12, + .flags = CLK_IS_CRITICAL, .is_mash_clock = true), [BCM2835_CLOCK_GP2] = REGISTER_PER_CLK( .name = "gp2", .ctl_reg = CM_GP2CTL, .div_reg = CM_GP2DIV, .int_bits = 12, - .frac_bits = 12), + .frac_bits = 12, + .flags = CLK_IS_CRITICAL), /* HDMI state machine */ [BCM2835_CLOCK_HSM] = REGISTER_PER_CLK( -- 2.8.0.rc3