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[212.204.172.199]) by smtp.gmail.com with ESMTPSA id w2sm39361075edb.4.2018.01.01.11.43.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 Jan 2018 11:43:43 -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 , Jun Nie , Baoyou Xie , Shawn Guo , linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 29/34] clk: zte: change zx_audio_round_rate() return logic Date: Mon, 1 Jan 2018 19:43:08 +0000 Message-Id: <1514835793-1104-30-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: Jun Nie Cc: Baoyou Xie Cc: Shawn Guo Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-arm-kernel@lists.infradead.org Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/zte/clk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/zte/clk.c b/drivers/clk/zte/clk.c index df91842..6afdc4a 100644 --- a/drivers/clk/zte/clk.c +++ b/drivers/clk/zte/clk.c @@ -247,7 +247,7 @@ static unsigned long zx_audio_round_rate(struct clk_hw *hw, unsigned long rate, u32 reg; if (rate * 2 > *prate) - return -EINVAL; + return 0; reg = calc_reg(*prate, rate); return calc_rate(reg, *prate);