From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rhyland Klein Subject: [PATCH 6/9] clk: tegra210: fix pllx dyn step calculation Date: Fri, 8 Jan 2016 13:37:08 -0500 Message-ID: <1452278231-9546-7-git-send-email-rklein@nvidia.com> References: <1452278231-9546-1-git-send-email-rklein@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1452278231-9546-1-git-send-email-rklein-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter De Schrijver Cc: Mike Turquette , Stephen Warren , Stephen Boyd , Thierry Reding , Alexandre Courbot , Bill Huang , Jim Lin , Benson Leung , linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rhyland Klein List-Id: linux-tegra@vger.kernel.org The logic for calculating the input rate used when figuring out the proper dynamic steps for pllx was incorrect. It is supposed to be calculated using parent_rate / m but it was just using the parent rate directly, therefore using the wrong step values. Signed-off-by: Rhyland Klein --- drivers/clk/tegra/clk-tegra210.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 2a7faa357130..5d8fac7052f2 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -780,13 +780,13 @@ static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) { unsigned long input_rate; - if (!IS_ERR_OR_NULL(hw->clk)) { + /* cf rate */ + if (!IS_ERR_OR_NULL(hw->clk)) input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); - /* cf rate */ - input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); - } else { + else input_rate = 38400000; - } + + input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); switch (input_rate) { case 12000000: -- 1.9.1