From: Philipp Zabel <p.zabel@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>, barebox@lists.infradead.org
Cc: pza@pengutronix.de
Subject: Re: [PATCH v2 3/5] clk: imx6: Mask mmdc_ch1 handshake for periph2_sel and mmdc_ch1_axi_podf
Date: Thu, 23 May 2019 12:01:33 +0200 [thread overview]
Message-ID: <1558605693.5135.6.camel@pengutronix.de> (raw)
In-Reply-To: <20190521155626.9906-4-a.fatoum@pengutronix.de>
On Tue, 2019-05-21 at 17:56 +0200, Ahmad Fatoum wrote:
> From: Philipp Zabel <p.zabel@pengutronix.de>
>
> MMDC CH1 is not used on i.MX6Q, so the handshake needed to change the
> parent of periph2_sel or the divider of mmdc_ch1_axi_podf will never
> succeed.
> Disable the handshake mechanism to allow changing the frequency of
> mmdc_ch1_axi, allowing to use it as a possible source for the LDB DI
> clock.
>
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
> [afa: ported to barebox from Linux commit f13abeff2c]
> [afa: moved call site to where it would've been moved in following commit]
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
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next prev parent reply other threads:[~2019-05-23 10:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 15:56 [PATCH v2 0/5] clk: imx6: work around LDB hang caused by ERR009219 Ahmad Fatoum
2019-05-21 15:56 ` [PATCH v2 1/5] clk: imx6: remove quirky clk_set_parent(LDB_diN_sel, pll5_video_div) Ahmad Fatoum
2019-05-23 10:01 ` Philipp Zabel
2019-05-23 10:28 ` Ahmad Fatoum
2019-05-26 21:55 ` Andrey Smirnov
2019-05-27 6:29 ` Ahmad Fatoum
2019-05-27 6:50 ` Andrey Smirnov
2019-05-27 7:23 ` Ahmad Fatoum
2019-05-27 7:28 ` Andrey Smirnov
2019-05-27 7:49 ` Ahmad Fatoum
2019-05-27 8:02 ` Andrey Smirnov
2019-05-27 9:19 ` Ahmad Fatoum
2019-05-27 7:25 ` Andrey Smirnov
2019-05-27 7:39 ` Ahmad Fatoum
2019-05-21 15:56 ` [PATCH v2 2/5] clk: imx6: Make the LDB_DI0 and LDB_DI1 clocks read-only Ahmad Fatoum
2019-05-23 10:01 ` Philipp Zabel
2019-05-27 7:01 ` Andrey Smirnov
2019-05-27 7:38 ` Ahmad Fatoum
2019-05-21 15:56 ` [PATCH v2 3/5] clk: imx6: Mask mmdc_ch1 handshake for periph2_sel and mmdc_ch1_axi_podf Ahmad Fatoum
2019-05-23 10:01 ` Philipp Zabel [this message]
2019-05-21 15:56 ` [PATCH v2 4/5] clk: imx6: Fix procedure to switch the parent of LDB_DI_CLK Ahmad Fatoum
2019-05-23 10:03 ` Philipp Zabel
2019-05-26 21:58 ` Andrey Smirnov
2019-05-27 7:04 ` Andrey Smirnov
2019-05-21 15:56 ` [PATCH v2 5/5] clk: imx6: define an enum for ldb mux inputs Ahmad Fatoum
2019-05-23 10:03 ` Philipp Zabel
2019-05-23 10:35 ` Ahmad Fatoum
2019-05-26 21:59 ` [PATCH v2 0/5] clk: imx6: work around LDB hang caused by ERR009219 Andrey Smirnov
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