linux-dev/drivers/memory/tegra/tegra124-emc.c, branch master

OPP: Migrate set-supported-hw API to use set-config helpers

2022-07-08T05:57:48Z

Now that we have a central API to handle all OPP table configurations, migrate the set-supported-hw family of helpers to use the new infrastructure. The return type and parameter to the APIs change a bit due to this, update the current users as well in the same commit in order to avoid breaking builds. Signed-off-by: Viresh Kumar

memory: tegra: Delete dead debugfs checking code

2021-06-10T07:18:15Z

The debugfs_create_dir() function does not return NULL, it returns error pointers. But in normal situations like this where the caller is not dereferencing "emc->debugfs.root" then we are not supposed to check the return. So instead of fixing these checks, we should delete them. Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/YMCQDTSyG8UuQoh0@mwanda Signed-off-by: Krzysztof Kozlowski

memory: tegra: Fix compilation warnings on 64bit platforms

2021-06-01T11:42:53Z

Fix compilation warning on 64bit platforms caused by implicit promotion of 32bit signed integer to a 64bit unsigned value which happens after enabling compile-testing of the EMC drivers. Reported-by: kernel test robot Reviewed-by: Nathan Chancellor Reviewed-by: Krzysztof Kozlowski Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding

memory: tegra: Print out info-level once per driver probe

2021-04-01T17:58:22Z

Probing of EMC drivers may be deferred and in this case we get duplicated info messages during kernel boot. Use dev_info_once() helper to silence the duplicated messages. Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20210330230445.26619-7-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski

memory: tegra: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE

2021-04-01T17:58:22Z

Fix the following coccicheck warning: drivers/memory/tegra/tegra124-emc.c:1207:0-23: WARNING: tegra_emc_debug_min_rate_fops should be defined with DEFINE_DEBUGFS_ATTRIBUTE Signed-off-by: Yang Li Link: https://lore.kernel.org/r/1614243958-55847-1-git-send-email-yang.lee@linux.alibaba.com Signed-off-by: Krzysztof Kozlowski

memory: tegra: Remove calls to dev_pm_opp_set_clkname()

2021-01-29T06:59:01Z

There is no point calling dev_pm_opp_set_clkname() with the "name" parameter set to NULL, this is already done by the OPP core at setup time and should work as it is. Signed-off-by: Viresh Kumar Reviewed-by: Dmitry Osipenko Tested-by: Dmitry Osipenko Link: https://lore.kernel.org/r/0f22cc1791d8b88c50a9790c2dc19455b34ec7b0.1611742564.git.viresh.kumar@linaro.org Signed-off-by: Krzysztof Kozlowski

memory: tegra124: Support interconnect framework

2021-01-05T17:03:22Z

Now Internal and External memory controllers are memory interconnection providers. This allows us to use interconnect API for tuning of memory configuration. EMC driver now supports OPPs and DVFS. Tested-by: Nicolas Chauvet Acked-by: Georgi Djakov Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20201228154920.18846-4-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski

memory: tegra124-emc: Continue probing if timings are missing in device-tree

2021-01-05T17:01:23Z

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. Tested-by: Nicolas Chauvet Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20201228154920.18846-3-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski

memory: tegra124-emc: Make driver modular

2021-01-05T17:00:09Z

Add modularization support to the Tegra124 EMC driver, which now can be compiled as a loadable kernel module. Note that EMC clock must be registered at clk-init time, otherwise PLLM will be disabled as unused clock at boot time if EMC driver is compiled as a module. Hence add a prepare/complete callbacks. similarly to what is done for the Tegra20/30 EMC drivers. Tested-by: Nicolas Chauvet Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20201228154920.18846-2-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski

memory: tegra: Use devm_platform_ioremap_resource()

2020-11-26T17:50:35Z

Use devm_platform_ioremap_resource() helper which makes code a bit cleaner. Signed-off-by: Dmitry Osipenko Acked-by: Thierry Reding Link: https://lore.kernel.org/r/20201104164923.21238-30-digetx@gmail.com Signed-off-by: Krzysztof Kozlowski