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Date: Sat, 30 Dec 2017 01:13:00 +0000 From: Bryan O'Donoghue <pure.logic@...us-software.ie> To: mturquette@...libre.com, sboyd@...eaurora.org, linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org Cc: pure.logic@...us-software.ie, Andy Gross <andy.gross@...aro.org>, David Brown <david.brown@...aro.org>, Abhishek Sahu <absahu@...eaurora.org>, Varadarajan Narayanan <varada@...eaurora.org>, linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org Subject: [PATCH 21/33] clk: qcom: ipq4019: change clk_cpu_div_round_rate() return logic This patch updates the round_rate() logic here to return zero instead of a negative number on error. In conjunction with higher-level changes associated with acting on the return value of clk_ops->round_rate() it is then possible to have clk_ops->round_rate() return values from 1 Hz to ULONG_MAX Hz instead of the current limitation of 1 Hz to LONG_MAX Hz. Signed-off-by: Bryan O'Donoghue <pure.logic@...us-software.ie> Cc: Andy Gross <andy.gross@...aro.org> Cc: David Brown <david.brown@...aro.org> Cc: Abhishek Sahu <absahu@...eaurora.org> Cc: Varadarajan Narayanan <varada@...eaurora.org> Cc: Michael Turquette <mturquette@...libre.com> Cc: Stephen Boyd <sboyd@...eaurora.org> Cc: linux-arm-msm@...r.kernel.org Cc: linux-soc@...r.kernel.org Cc: linux-clk@...r.kernel.org Cc: linux-kernel@...r.kernel.org --- drivers/clk/qcom/gcc-ipq4019.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c index 804231b..943acbc 100644 --- a/drivers/clk/qcom/gcc-ipq4019.c +++ b/drivers/clk/qcom/gcc-ipq4019.c @@ -1268,7 +1268,7 @@ static unsigned long clk_cpu_div_round_rate(struct clk_hw *hw, f = qcom_find_freq(pll->freq_tbl, rate); if (!f) - return -EINVAL; + return 0; p_hw = clk_hw_get_parent_by_index(hw, f->src); *p_rate = clk_hw_get_rate(p_hw); -- 2.7.4
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