From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 10/10] CLK: TI: always enable DESHDCP clock
Date: Wed, 20 May 2015 12:34:23 -0700 [thread overview]
Message-ID: <555CE1BF.4050506@codeaurora.org> (raw)
In-Reply-To: <555C74E8.5010105@ti.com>
On 05/20/15 04:50, Tero Kristo wrote:
>
>>>
>>> @@ -348,5 +348,10 @@ int __init dra7xx_dt_clk_init(void)
>>> if (rc)
>>> pr_err("%s: failed to set USB_DPLL M2 OUT\n", __func__);
>>>
>>> + hdcp_ck = clk_get_sys(NULL, "dss_deshdcp_clk");
>>> + rc = clk_prepare_enable(hdcp_ck);
>>> + if (rc)
>>> + pr_err("%s: failed to set dss_deshdcp_clk\n", __func__);
>>> +
>>> return rc;
>>> }
>>>
>>
>> You should rather use the assigned-clock properties in DT to accomplish
>> this, the manual clock tweaks under the drivers/clk/ti/clk-* files
>> should be converted to DT setup also.
>
> Now that I sent this, I realize we only have support to set_parent /
> set_rate through the assigned-clock props, no enable. Any plans to
> extend this support Mike/Stephen?
>
>
Enable falls under the "critical clocks" discussion that is ongoing. I
assume that this is some sort of critical clock that can't be turned off?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-05-20 19:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-06 10:08 [PATCHv3 00/10] ARM: DRA7: add display support Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 01/10] arm/dts: dra7xx: add 'ti, set-rate-parent' for dss_dss_clk Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 02/10] ARM: DRA7: hwmod: add DMM hwmod description Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 03/10] ARM: DRA7: hwmod: set DSS submodule parent hwmods Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 04/10] ARM: OMAP: display: change compat names to array Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 05/10] ARM: OMAP2+: display: detect DRA7 DSS Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 06/10] arm/dts: dra7.dtsi: add DSS support Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 07/10] arm/dts: dra72-evm.dts: add HDMI Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 08/10] arm/dts: am57xx-beagle-x15.dts: " Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 09/10] arm: dra7: add DESHDCP clock Tomi Valkeinen
2015-05-06 10:08 ` [PATCHv3 10/10] CLK: TI: always enable " Tomi Valkeinen
2015-05-20 11:47 ` Tero Kristo
2015-05-20 11:50 ` Tero Kristo
2015-05-20 19:34 ` Stephen Boyd [this message]
2015-05-21 3:06 ` Paul Walmsley
2015-05-22 6:27 ` Tomi Valkeinen
2015-05-28 4:22 ` Michael Turquette
2015-05-28 6:25 ` Tero Kristo
2015-05-28 22:49 ` Stephen Boyd
2015-05-27 9:11 ` Tomi Valkeinen
2015-06-03 16:19 ` Michael Turquette
2015-05-20 8:24 ` [PATCHv3 00/10] ARM: DRA7: add display support Tomi Valkeinen
2015-06-01 5:46 ` Paul Walmsley
2015-06-01 6:21 ` Tomi Valkeinen
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