Message ID | 20200403212114.15565-2-ykaukab@suse.de (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | [1/2] cpufreq: qoriq: convert to a platform driver | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (d0c12846a3a24cd6d68b608c866712bc7e471634) |
snowpatch_ozlabs/build-ppc64le | success | Build succeeded |
snowpatch_ozlabs/build-ppc64be | success | Build succeeded |
snowpatch_ozlabs/build-ppc64e | success | Build succeeded |
snowpatch_ozlabs/build-pmac32 | warning | Upstream build failed, couldn't test patch |
snowpatch_ozlabs/checkpatch | warning | total: 0 errors, 0 warnings, 2 checks, 66 lines checked |
snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
> -----Original Message----- > From: Mian Yousaf Kaukab <ykaukab@suse.de> > Sent: 2020年4月4日 5:21 > To: linux-pm@vger.kernel.org; Andy Tang <andy.tang@nxp.com>; > shawnguo@kernel.org; Leo Li <leoyang.li@nxp.com> > Cc: viresh.kumar@linaro.org; linux-kernel@vger.kernel.org; > linux-arm-kernel@lists.infradead.org; linuxppc-dev@lists.ozlabs.org; Mian > Yousaf Kaukab <ykaukab@suse.de> > Subject: [EXT] [PATCH 2/2] clk: qoriq: add cpufreq platform device > > Caution: EXT Email > > Add a platform device for qoirq-cpufreq driver for the compatible clockgen > blocks. > > Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> > --- > drivers/clk/clk-qoriq.c | 30 +++++++++++++++++++++++++++--- > 1 file changed, 27 insertions(+), 3 deletions(-) > > diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index > d5946f7486d6..374afcab89af 100644 > --- a/drivers/clk/clk-qoriq.c > +++ b/drivers/clk/clk-qoriq.c > @@ -95,6 +95,7 @@ struct clockgen { > }; > For both patches, Reviewed-by: Yuantian Tang <andy.tang@nxp.com> BR, Andy
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index d5946f7486d6..374afcab89af 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -95,6 +95,7 @@ struct clockgen { }; static struct clockgen clockgen; +static bool add_cpufreq_dev __initdata; static void cg_out(struct clockgen *cg, u32 val, u32 __iomem *reg) { @@ -1019,7 +1020,7 @@ static void __init create_muxes(struct clockgen *cg) } } -static void __init clockgen_init(struct device_node *np); +static void __init _clockgen_init(struct device_node *np, bool legacy); /* * Legacy nodes may get probed before the parent clockgen node. @@ -1030,7 +1031,7 @@ static void __init clockgen_init(struct device_node *np); static void __init legacy_init_clockgen(struct device_node *np) { if (!clockgen.node) - clockgen_init(of_get_parent(np)); + _clockgen_init(of_get_parent(np), true); } /* Legacy node */ @@ -1447,7 +1448,7 @@ static bool __init has_erratum_a4510(void) } #endif -static void __init clockgen_init(struct device_node *np) +static void __init _clockgen_init(struct device_node *np, bool legacy) { int i, ret; bool is_old_ls1021a = false; @@ -1516,12 +1517,35 @@ static void __init clockgen_init(struct device_node *np) __func__, np, ret); } + /* Don't create cpufreq device for legacy clockgen blocks */ + add_cpufreq_dev = !legacy; + return; err: iounmap(clockgen.regs); clockgen.regs = NULL; } +static void __init clockgen_init(struct device_node *np) +{ + _clockgen_init(np, false); +} + +static int __init clockgen_cpufreq_init(void) +{ + struct platform_device *pdev; + + if (add_cpufreq_dev) { + pdev = platform_device_register_simple("qoriq-cpufreq", -1, + NULL, 0); + if (IS_ERR(pdev)) + pr_err("Couldn't register qoriq-cpufreq err=%ld\n", + PTR_ERR(pdev)); + } + return 0; +} +device_initcall(clockgen_cpufreq_init); + CLK_OF_DECLARE(qoriq_clockgen_1, "fsl,qoriq-clockgen-1.0", clockgen_init); CLK_OF_DECLARE(qoriq_clockgen_2, "fsl,qoriq-clockgen-2.0", clockgen_init); CLK_OF_DECLARE(qoriq_clockgen_b4420, "fsl,b4420-clockgen", clockgen_init);
Add a platform device for qoirq-cpufreq driver for the compatible clockgen blocks. Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> --- drivers/clk/clk-qoriq.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-)