From: Vince Hsu <vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
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Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org,
viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
Vince Hsu <vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH v2 06/17] clk: tegra: remove TEGRA_PLL_USE_LOCK for PLLD/PLLD2
Date: Thu, 12 Mar 2015 20:15:07 +0800 [thread overview]
Message-ID: <1426162518-7405-7-git-send-email-vinceh@nvidia.com> (raw)
In-Reply-To: <1426162518-7405-1-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Tegra114 has a HW bug that the PLLD/PLLD2 lock bit cannot be asserted when
the DIS power domain is during up-powergating process but the clamp to this
domain is not removed yet. That causes a timeout and aborts the power
sequence, although the PLLD/PLLD2 has already locked. To remove the false
alarm, we don't use the lock for PLLD/PLLD2. Just wait 1ms and treat the
clocks as locked.
Signed-off-by: Vince Hsu <vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
drivers/clk/tegra/clk-tegra114.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index d0766423a5d6..e6a480e0dcb6 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -456,8 +456,7 @@ static struct tegra_clk_pll_params pll_d_params = {
.lock_delay = 1000,
.div_nmp = &pllp_nmp,
.freq_table = pll_d_freq_table,
- .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
- TEGRA_PLL_USE_LOCK,
+ .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON,
};
static struct tegra_clk_pll_params pll_d2_params = {
@@ -474,8 +473,7 @@ static struct tegra_clk_pll_params pll_d2_params = {
.lock_delay = 1000,
.div_nmp = &pllp_nmp,
.freq_table = pll_d_freq_table,
- .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
- TEGRA_PLL_USE_LOCK,
+ .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON,
};
static struct pdiv_map pllu_p[] = {
--
2.1.4
next prev parent reply other threads:[~2015-03-12 12:15 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 12:15 [PATCH v2 00/17] Add generic PM domain support for Tegra SoCs Vince Hsu
2015-03-12 12:15 ` [PATCH v2 01/17] reset: add of_reset_control_get_by_index() Vince Hsu
[not found] ` <1426162518-7405-2-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-03-12 15:01 ` Philipp Zabel
2015-03-13 3:04 ` Vince Hsu
2015-03-12 12:15 ` [PATCH v2 02/17] memory: tegra: add mc flush support Vince Hsu
2015-03-12 12:15 ` [PATCH v2 03/17] memory: tegra: add flush operation for Tegra30 memory clients Vince Hsu
2015-03-12 12:15 ` [PATCH v2 04/17] memory: tegra: add flush operation for Tegra114 " Vince Hsu
2015-03-12 12:15 ` [PATCH v2 05/17] memory: tegra: add flush operation for Tegra124 " Vince Hsu
2015-03-12 12:15 ` [PATCH v2 07/17] soc: tegra: pmc: Add generic PM domain support Vince Hsu
2015-04-06 22:37 ` Kevin Hilman
2015-04-08 8:06 ` Thierry Reding
2015-03-12 12:15 ` [PATCH v2 08/17] ARM: tegra: add PM domain device nodes to Tegra30 DT Vince Hsu
2015-03-12 12:15 ` [PATCH v2 09/17] ARM: tegra: add PM domain device nodes to Tegra114 DT Vince Hsu
2015-03-12 12:15 ` [PATCH v2 11/17] ARM: tegra: add GPU power supply to Jetson TK1 DT Vince Hsu
2015-03-12 12:15 ` [PATCH v2 12/17] drm/tegra: dc: remove the power sequence from driver Vince Hsu
[not found] ` <1426162518-7405-1-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-03-12 12:15 ` Vince Hsu [this message]
2015-03-12 12:15 ` [PATCH v2 10/17] ARM: tegra: add PM domain device nodes to Tegra124 DT Vince Hsu
2015-03-12 12:15 ` [PATCH v2 13/17] PCI: tegra: remove the power sequence from driver Vince Hsu
2015-03-12 12:15 ` [PATCH v2 14/17] ata: ahci_tegra: remove " Vince Hsu
2015-03-12 12:19 ` Tejun Heo
[not found] ` <20150312121912.GJ25944-piEFEHQLUPpN0TnZuCh8vA@public.gmane.org>
2015-03-12 12:23 ` Vince Hsu
[not found] ` <55018536.2050904-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-03-12 12:33 ` Hans de Goede
2015-03-12 12:15 ` [PATCH v2 15/17] drm/tegra: remove GR3D " Vince Hsu
2015-03-12 12:15 ` [PATCH v2 16/17] ARM: tegra: select PM_GENERIC_DOMAINS Vince Hsu
2015-03-12 12:15 ` [PATCH v2 17/17] soc/tegra: remove lagacy powergate APIs Vince Hsu
[not found] ` <1426162518-7405-18-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-03-12 12:45 ` Thierry Reding
2015-03-12 13:11 ` Vince Hsu
2015-03-12 16:18 ` Peter De Schrijver
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