linux-kernel - [RFC PATCH 07/10] clk: rockchip: set clk-ddr to GET_RATE

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Date:   Mon, 14 May 2018 23:16:07 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Will Deacon <will.deacon@....com>,
        Heiko Stuebner <heiko@...ech.de>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Sandy Huang <hjc@...k-chips.com>,
        David Airlie <airlied@...ux.ie>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Derek Basehore <dbasehore@...omium.org>,
        linux-clk@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, Lin Huang <hl@...k-chips.com>,
        kernel@...labora.com, Sean Paul <seanpaul@...omium.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [RFC PATCH 07/10] clk: rockchip: set clk-ddr to GET_RATE_NOCACHE.

From: Derek Basehore <dbasehore@...omium.org>

This adds the flag to the clk-ddr in rockchip to not use the cached
rate for get_rate. This is to handle timeout error conditions in SMC
for the set rate function.

Signed-off-by: Derek Basehore <dbasehore@...omium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---

 drivers/clk/rockchip/clk-ddr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c
index de00590af167..dffd5ac5847b 100644
--- a/drivers/clk/rockchip/clk-ddr.c
+++ b/drivers/clk/rockchip/clk-ddr.c
@@ -226,7 +226,7 @@ struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
 	init.num_parents = num_parents;
 
 	init.flags = flags;
-	init.flags |= CLK_SET_RATE_NO_REPARENT;
+	init.flags |= CLK_SET_RATE_NO_REPARENT | CLK_GET_RATE_NOCACHE;
 
 	switch (ddr_flag) {
 	case ROCKCHIP_DDRCLK_SIP:
-- 
2.17.0