From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Paul Walmsley <paul@pwsan.com>
Cc: linux-arm-kernel@lists.arm.linux.org.uk,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
Tony Lindgren <tony@atomide.com>,
Tero Kristo <tero.kristo@nokia.com>
Subject: Re: [PATCH C 08/13] OMAP3 clock: put DPLL into bypass if bypass rate = clk->rate, not hardware rate
Date: Thu, 29 Jan 2009 10:35:06 +0000 [thread overview]
Message-ID: <20090129103506.GC12627@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20090128190829.12092.86115.stgit@localhost.localdomain>
On Wed, Jan 28, 2009 at 12:08:32PM -0700, Paul Walmsley wrote:
> When a non-CORE DPLL is enabled via omap3_noncore_dpll_enable(), use
> the user's desired rate in clk->rate to determine whether to put the
> DPLL into bypass or lock mode, rather than reading the DPLL's current
> idle state from its hardware registers.
>
> This fixes a bug observed when leaving retention. Non-CORE DPLLs were
> not being relocked when downstream clocks re-enabled; rather, the DPLL
> entered bypass mode.
>
> Problem reported by Tero Kristo <tero.kristo@nokia.com>.
>
> linux-omap source commit is 8b1f0bd44fe490ec631230c8c040753a2bda8caa.
>
> Signed-off-by: Paul Walmsley <paul@pwsan.com>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
> Cc: Tero Kristo <tero.kristo@nokia.com>
Patch 6 did it this way. Patch 7 changed it to use omap2_get_dpll_rate()
and this patch changes it back. What's the point of submitting all this
detail? It's just pure noise. Collapse these three patches into one
please.
next prev parent reply other threads:[~2009-01-29 10:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-28 19:08 [PATCH C 00/13] OMAP clock, C of F: DPLL updates Paul Walmsley
2009-01-28 19:08 ` [PATCH C 01/13] OMAP3 clock: fix DPLL jitter correction and rate programming Paul Walmsley
2009-01-28 19:08 ` [PATCH C 02/13] OMAP3 clock: DPLL{1,2}_FCLK clksel can divide by 4 Paul Walmsley
2009-01-28 19:08 ` [PATCH C 03/13] OMAP3 clock: convert dpll_data.idlest_bit to idlest_mask Paul Walmsley
2009-01-28 19:08 ` [PATCH C 04/13] OMAP3 clock: note the bypass source clock for DPLLs Paul Walmsley
2009-01-28 19:08 ` [PATCH C 05/13] OMAP2/3 clock: fix DPLL rate calculation Paul Walmsley
2009-01-29 10:27 ` Russell King
2009-01-28 19:08 ` [PATCH C 06/13] OMAP3 clock: DPLLs should enter bypass if new rate is sys_ck Paul Walmsley
2009-01-29 10:30 ` Russell King - ARM Linux
2009-01-29 12:39 ` Russell King - ARM Linux
2009-01-30 5:47 ` Paul Walmsley
2009-02-09 11:19 ` Russell King - ARM Linux
2009-01-28 19:08 ` [PATCH C 07/13] OMAP3 clock: recalculate DPLL subtree after bypass entry/exit Paul Walmsley
2009-01-29 10:33 ` Russell King - ARM Linux
2009-01-28 19:08 ` [PATCH C 08/13] OMAP3 clock: put DPLL into bypass if bypass rate = clk->rate, not hardware rate Paul Walmsley
2009-01-29 10:35 ` Russell King - ARM Linux [this message]
2009-01-28 19:08 ` [PATCH C 09/13] OMAP3 clock: fix non-CORE DPLL rate assignment bugs Paul Walmsley
2009-01-29 10:38 ` Russell King - ARM Linux
2009-01-28 19:08 ` [PATCH C 10/13] OMAP3 clock: remove unnecessary dpll_data dereferences Paul Walmsley
2009-01-28 19:08 ` [PATCH C 11/13] OMAP3 clock: optimize DPLL rate rounding algorithm Paul Walmsley
2009-01-28 19:08 ` [PATCH C 12/13] OMAP3 clock: avoid invalid FREQSEL values during DPLL rate rounding Paul Walmsley
2009-01-28 19:08 ` [PATCH C 13/13] OMAP3 clock: disable DPLL autoidle while waiting for DPLL to lock Paul Walmsley
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