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From: Peng Fan <peng.fan@nxp.com>
To: "sboyd@kernel.org" <sboyd@kernel.org>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
	"festevam@gmail.com" <festevam@gmail.com>,
	Abel Vesa <abel.vesa@nxp.com>
Cc: Aisheng Dong <aisheng.dong@nxp.com>, Peng Fan <peng.fan@nxp.com>,
	Alice Guo <alice.guo@nxp.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	dl-linux-imx <linux-imx@nxp.com>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	Leonard Crestez <leonard.crestez@nxp.com>,
	"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH] clk: imx: clk-composite-7ulp: add lock
Date: Thu, 21 Nov 2019 10:30:39 +0000	[thread overview]
Message-ID: <1574332142-7130-1-git-send-email-peng.fan@nxp.com> (raw)

From: Peng Fan <peng.fan@nxp.com>

Add lock to mux/gate/divider to protect the access to the register

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk-composite-7ulp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/imx/clk-composite-7ulp.c b/drivers/clk/imx/clk-composite-7ulp.c
index 060f8600ea0d..d8c6e48207c5 100644
--- a/drivers/clk/imx/clk-composite-7ulp.c
+++ b/drivers/clk/imx/clk-composite-7ulp.c
@@ -41,6 +41,7 @@ struct clk_hw *imx7ulp_clk_composite(const char *name,
 		mux->reg = reg;
 		mux->shift = PCG_PCS_SHIFT;
 		mux->mask = PCG_PCS_MASK;
+		mux->lock = &imx_ccm_lock;
 	}
 
 	if (rate_present) {
@@ -58,6 +59,7 @@ struct clk_hw *imx7ulp_clk_composite(const char *name,
 		fd->nwidth = PCG_PCD_WIDTH;
 		fd->nmask = PCG_PCD_MASK;
 		fd->flags = CLK_FRAC_DIVIDER_ZERO_BASED;
+		fd->lock = &imx_ccm_lock;
 	}
 
 	if (gate_present) {
@@ -70,6 +72,7 @@ struct clk_hw *imx7ulp_clk_composite(const char *name,
 		gate_hw = &gate->hw;
 		gate->reg = reg;
 		gate->bit_idx = PCG_CGC_SHIFT;
+		gate->lock = &imx_ccm_lock;
 	}
 
 	hw = clk_hw_register_composite(NULL, name, parent_names, num_parents,
-- 
2.16.4


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             reply	other threads:[~2019-11-21 10:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-21 10:30 Peng Fan [this message]
2019-11-21 16:46 ` [PATCH] clk: imx: clk-composite-7ulp: add lock Fabio Estevam

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