From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Georgi Djakov <georgi.djakov@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Mikko Perttunen <cyndis@kapsi.fi>,
Viresh Kumar <vireshk@kernel.org>,
Peter Geis <pgwipeout@gmail.com>,
Nicolas Chauvet <kwizart@gmail.com>,
Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org
Subject: [PATCH v9 03/17] memory: tegra124-emc: Continue probing if timings are missing in device-tree
Date: Mon, 16 Nov 2020 00:29:08 +0300 [thread overview]
Message-ID: <20201115212922.4390-4-digetx@gmail.com> (raw)
In-Reply-To: <20201115212922.4390-1-digetx@gmail.com>
EMC driver will become mandatory after turning it into interconnect
provider because interconnect users, like display controller driver, will
fail to probe using newer device-trees that have interconnect properties.
Thus make EMC driver to probe even if timings are missing in device-tree.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/memory/tegra/tegra124-emc.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index edfbf6d6d357..8fb8c1af25c9 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -1201,23 +1201,15 @@ static int tegra_emc_probe(struct platform_device *pdev)
ram_code = tegra_read_ram_code();
np = tegra_emc_find_node_by_ram_code(pdev->dev.of_node, ram_code);
- if (!np) {
- dev_err(&pdev->dev,
- "no memory timings for RAM code %u found in DT\n",
- ram_code);
- return -ENOENT;
- }
-
- err = tegra_emc_load_timings_from_dt(emc, np);
- of_node_put(np);
- if (err)
- return err;
-
- if (emc->num_timings == 0) {
- dev_err(&pdev->dev,
- "no memory timings for RAM code %u registered\n",
- ram_code);
- return -ENOENT;
+ if (np) {
+ err = tegra_emc_load_timings_from_dt(emc, np);
+ of_node_put(np);
+ if (err)
+ return err;
+ } else {
+ dev_info(&pdev->dev,
+ "no memory timings for RAM code %u found in DT\n",
+ ram_code);
}
err = emc_init(emc);
--
2.29.2
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next prev parent reply other threads:[~2020-11-16 1:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-15 21:29 [PATCH v9 00/17] Introduce memory interconnect for NVIDIA Tegra SoCs Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 01/17] memory: tegra30: Support interconnect framework Dmitry Osipenko
2020-11-17 20:24 ` Georgi Djakov
2020-11-17 22:02 ` Dmitry Osipenko
2020-11-18 15:30 ` Georgi Djakov
2020-11-19 12:07 ` Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 02/17] memory: tegra124-emc: Make driver modular Dmitry Osipenko
2020-11-15 21:29 ` Dmitry Osipenko [this message]
2020-11-15 21:29 ` [PATCH v9 04/17] memory: tegra124: Support interconnect framework Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 05/17] drm/tegra: dc: Support memory bandwidth management Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 06/17] drm/tegra: dc: Extend debug stats with total number of events Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 07/17] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree Dmitry Osipenko
2020-11-17 10:07 ` Viresh Kumar
2020-11-17 14:17 ` Dmitry Osipenko
2020-11-18 4:21 ` Viresh Kumar
2020-11-19 21:04 ` Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 08/17] PM / devfreq: tegra30: Separate configurations per-SoC generation Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 09/17] PM / devfreq: tegra20: Deprecate in a favor of emc-stat based driver Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 10/17] ARM: tegra: Correct EMC registers size in Tegra20 device-tree Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 11/17] ARM: tegra: Add interconnect properties to " Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 12/17] ARM: tegra: Add interconnect properties to Tegra30 device-tree Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 13/17] ARM: tegra: Add interconnect properties to Tegra124 device-tree Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 14/17] ARM: tegra: Add nvidia, memory-controller phandle to Tegra20 EMC device-tree Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 15/17] ARM: tegra: Add EMC OPP properties to Tegra20 device-trees Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 16/17] ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes Dmitry Osipenko
2020-11-15 21:29 ` [PATCH v9 17/17] ARM: tegra: Add EMC OPP and ICC properties to Tegra124 " Dmitry Osipenko
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