Re: [PATCH 3/5] drivers: clk-qoriq: Add clockgen support for lx2160a
From: Scott Wood <oss@buserror.net>
Date: 2018-08-30 17:44:25
Also in:
linux-arm-kernel, linux-clk, linux-devicetree, linux-pm, lkml
On Thu, 2018-08-30 at 07:36 +0000, Vabhav Sharma wrote:
quoted
-----Original Message----- From: linux-kernel-owner@vger.kernel.org <linux-kernel- owner@vger.kernel.org> On Behalf Of Scott Wood Sent: Wednesday, August 29, 2018 5:49 AM To: Vabhav Sharma <redacted>; linux- kernel@vger.kernel.org; devicetree@vger.kernel.org; robh+dt@kernel.org; mark.rutland@arm.com; linuxppc-dev@lists.ozlabs.org; linux-arm- kernel@lists.infradead.org; mturquette@baylibre.com; sboyd@kernel.org; rjw@rjwysocki.net; viresh.kumar@linaro.org; linux-clk@vger.kernel.org; linux-pm@vger.kernel.org; linux-kernel-owner@vger.kernel.org; catalin.marinas@arm.com; will.deacon@arm.com; gregkh@linuxfoundation.org; arnd@arndb.de; kstewart@linuxfoundation.org; yamada.masahiro@socionext.com Cc: Yogesh Narayan Gaur <redacted>; Andy Tang [off-list ref]; Udit Kumar [off-list ref]; linux@armlinux.org.uk; Varun Sethi [off-list ref] Subject: Re: [PATCH 3/5] drivers: clk-qoriq: Add clockgen support for lx2160a On Mon, 2018-08-20 at 12:17 +0530, Vabhav Sharma wrote:quoted
From: Yogesh Gaur <redacted> Add clockgen support for lx2160a. Added entry for compat 'fsl,lx2160a-clockgen'. As LX2160A is 16 core, so modified value for NUM_CMUX Signed-off-by: Tang Yuantian <redacted> Signed-off-by: Yogesh Gaur <redacted> Signed-off-by: Vabhav Sharma <redacted> --- drivers/clk/clk-qoriq.c | 14 +++++++++++++- drivers/cpufreq/qoriq-cpufreq.c | 1 + 2 files changed, 14 insertions(+), 1 deletion(-)diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index3a1812f..fc6e308 100644--- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c@@ -60,7 +60,7 @@ struct clockgen_muxinfo { }; #define NUM_HWACCEL 5 -#define NUM_CMUX 8 +#define NUM_CMUX 16 struct clockgen;@@ -570,6 +570,17 @@ static const struct clockgen_chipinfo chipinfo[] ={ .flags = CG_VER3 | CG_LITTLE_ENDIAN, }, { + .compat = "fsl,lx2160a-clockgen", + .cmux_groups = { + &clockgen2_cmux_cga12, &clockgen2_cmux_cgb + }, + .cmux_to_group = { + 0, 0, 0, 0, 1, 1, 1, 1, -1 + }, + .pll_mask = 0x37, + .flags = CG_VER3 | CG_LITTLE_ENDIAN, + },Why are you increasing NUM_CMUX beyond 8 for a chip that only has 8 entries in cmux_to_group?Configuration is 16 cores,8 cluster with 2 cores in each cluster
So? This is about cmuxes, not cores. You're increasing the array without ever using the new size. -Scott