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[212.204.172.199]) by smtp.gmail.com with ESMTPSA id w2sm39361075edb.4.2018.01.01.11.43.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 Jan 2018 11:43:46 -0800 (PST) From: Bryan O'Donoghue To: mturquette@baylibre.com, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: Bryan O'Donoghue , Eugeniy Paltsev Subject: [PATCH v3 32/34] clk: ARC: change hsdk_pll_round_rate () return logic Date: Mon, 1 Jan 2018 19:43:11 +0000 Message-Id: <1514835793-1104-33-git-send-email-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514835793-1104-1-git-send-email-pure.logic@nexus-software.ie> References: <1514835793-1104-1-git-send-email-pure.logic@nexus-software.ie> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Cc: Eugeniy Paltsev Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/clk-hsdk-pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/clk-hsdk-pll.c b/drivers/clk/clk-hsdk-pll.c index 62c8e18..7bff5e3 100644 --- a/drivers/clk/clk-hsdk-pll.c +++ b/drivers/clk/clk-hsdk-pll.c @@ -201,7 +201,7 @@ static unsigned long hsdk_pll_round_rate(struct clk_hw *hw, unsigned long rate, const struct hsdk_pll_cfg *pll_cfg = clk->pll_devdata->pll_cfg; if (pll_cfg[0].rate == 0) - return -EINVAL; + return 0; best_rate = pll_cfg[0].rate;