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Message-Id: <20230726-topic-qcom_reset-v1-2-92de6d3e4c7c@linaro.org>
Date: Wed, 26 Jul 2023 15:26:20 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>,
Andy Gross <agross@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Mike Turquette <mturquette@...aro.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 2/2] clk: qcom: reset: Use the correct type of sleep/delay
based on length
Based on the length of the delay (see: [1]), use the correct sleep/delay
functions.
[1] https://www.kernel.org/doc/Documentation/timers/timers-howto.txt
Fixes: b36ba30c8ac6 ("clk: qcom: Add reset controller support")
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
drivers/clk/qcom/reset.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c
index 0e914ec7aeae..928995c3f369 100644
--- a/drivers/clk/qcom/reset.c
+++ b/drivers/clk/qcom/reset.c
@@ -14,9 +14,15 @@
static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
{
struct qcom_reset_controller *rst = to_qcom_reset_controller(rcdev);
+ u16 delay_us = rst->reset_map[id].udelay ?: 1;
rcdev->ops->assert(rcdev, id);
- udelay(rst->reset_map[id].udelay ?: 1); /* use 1 us as default */
+
+ if (delay_us < 10)
+ udelay(delay_us);
+ else
+ usleep_range(delay_us, delay_us + 5);
+
rcdev->ops->deassert(rcdev, id);
return 0;
}
--
2.41.0
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