- 25 Sep, 2023 1 commit
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Stephan Gerhold authored
Document power-domains and operating-points-v2 to allow making performance state votes for certain clock frequencies of the SPI QUP controller. Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
Stephan Gerhold <stephan.gerhold@kernkonzept.com> Link: https://lore.kernel.org/r/20230919-spi-qup-dvfs-v2-1-1bac2e9ab8db@kernkonzept.comSigned-off-by:
Mark Brown <broonie@kernel.org>
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- 22 Sep, 2023 1 commit
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Kees Cook authored
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct pci1xxxx_spi. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Mark Brown <broonie@kernel.org> Cc: linux-spi@vger.kernel.org Signed-off-by:
Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20230922175322.work.170-kees@kernel.orgSigned-off-by:
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- 18 Sep, 2023 2 commits
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Bartosz Golaszewski authored
Currently the bcm2835 SPI driver uses functions that are available exclusively to GPIO providers as a way to handle a platform quirk. Let's use a slightly better alternative that avoids poking around in GPIOLIB's internals and use GPIO lookup tables. Link: https://www.spinics.net/lists/linux-gpio/msg36218.htmlSigned-off-by:
Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230911161553.24313-1-brgl@bgdev.plSigned-off-by:
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Uwe Kleine-König authored
Both callers of spi_stop_queue() (i.e. spi_destroy_queue() and spi_controller_suspend()) already emit an error message if spi_stop_queue() fails. Another warning in this case isn't helpful, so drop it. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20230916161235.1050176-1-u.kleine-koenig@pengutronix.deSigned-off-by:
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- 15 Sep, 2023 1 commit
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Rob Herring authored
In order to validate SPI peripherals, SPI controller-specific child node properties need to be in a separate schema, spi-peripheral-props.yaml, which SPI peripheral schemas reference. Move the arm,pl022 child properties to their own schema file and add a $ref in spi-peripheral-props.yaml. Signed-off-by:
Rob Herring <robh@kernel.org> Reviewed-by:
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- 11 Sep, 2023 35 commits
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Mark Brown authored
Merge series from Li Zetao <lizetao1@huawei.com>: Commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks") provides a new helper function for prepared and enabled clocks when a driver keeps a clock prepared (or enabled) during the whole lifetime of the driver. So where drivers get clocks and enable them immediately, it can be combined into a single function devm_clk_get_*(). Moreover, the unprepare and disable function has been registered to devm_clk_state, and before devm_clk_state is released, the clocks will be unprepareed and disable, so it is unnecessary to unprepare and disable clocks explicitly when remove drivers or in the error handling path.
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Mark Brown authored
Merge series from Yang Yingliang <yangyingliang@huawei.com>: I'm trying to rename the legacy name to modern name used in SPI drivers, this is part3 patchset. After introducing devm_spi_alloc_host/spi_alloc_host(), the legacy named function devm_spi_alloc_master/spi_alloc_master() can be replaced. And also change other legacy name master/slave to modern name host/target or controller. Each patch compile test passed.
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Mark Brown authored
Merge series from Andy Shevchenko <andriy.shevchenko@linux.intel.com>: A few cleanups to the spidev.c to utilize existing APIs and make it use less amount of Lines of Code. No functional change intended.
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Dhruva Gole authored
Add runtime pm support to cadence-qspi driver, this allows the driver to suspend whenever it's is not actively being used thus reducing active power consumed by the system. Also, with the use of devm_pm_runtime_enable we no longer need the fallback probe_pm_failed that used to pm_runtime_disable Co-developed-by:
Apurva Nandan <a-nandan@ti.com> Signed-off-by:
Dhruva Gole <d-gole@ti.com> Link: https://lore.kernel.org/r/20230829062706.786637-1-d-gole@ti.comSigned-off-by:
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Zhang Shurong authored
This func misses checking for platform_get_irq()'s call and may passes the negative error codes to request_irq(), which takes unsigned IRQ #, causing it to fail with -EINVAL, overriding an original error code. Fix this by stop calling request_irq() with invalid IRQ #s. Fixes: dc4dc360 ("spi: tegra: add spi driver for SLINK controller") Signed-off-by:
Zhang Shurong <zhang_shurong@foxmail.com> Reviewed-by:
Helen Koike <helen.koike@collabora.com> Link: https://lore.kernel.org/r/tencent_73FCC06A3D1C14EE5175253C6FB46A07B709@qq.comSigned-off-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by:
Li Zetao <lizetao1@huawei.com> Link: https://lore.kernel.org/r/20230823133938.1359106-26-lizetao1@huawei.comSigned-off-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Moreover, the label "err_no_clk_en" is no used, drop it for clean code. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Also, devm_clk_get_optional() and clk_prepare_enable() can now be replaced by devm_clk_get_optional_enabled().Moreover, the two functions mtk_snand_enable_clk() and mtk_snand_disable_clk() no longer are used, drop them for clean code. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Moreover, the lable "out_clk" no longer makes sense, rename it to "out_pm". Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Also, devm_clk_get_optional() and clk_prepare_enable() can now be replaced by devm_clk_get_optional_enabled(). Moreover, the lable "out_clk" no longer makes sense, rename it to "out_reset". Signed-off-by:
Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20230823133938.1359106-13-lizetao1@huawei.comSigned-off-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com> Signed-off-by:
Cédric Le Goater <clg@kaod.org> Link: https://lore.kernel.org/r/20230823133938.1359106-4-lizetao1@huawei.comSigned-off-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare() can now be replaced by devm_clk_get_prepared() when driver prepares the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare the clocks explicitly. Signed-off-by:
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Li Zetao authored
Since commit 7ef9651e ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Reviewed-by:
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Andy Shevchenko authored
The temporary variable tmp is not used outside of the SPI_IOC_RD_MODE* cases, hence we can optimize its use. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by:
Lukas Wunner <lukas@wunner.de> Reviewed-by:
Alexander Sverdlin <alexander.sverdlin@siemens.com> Link: https://lore.kernel.org/r/20230824162209.2890440-4-andriy.shevchenko@linux.intel.comSigned-off-by:
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Andy Shevchenko authored
spidev_ioctl() checks if there is an SPI chip select is driven by GPIO. Instead of current code, we can call spi_get_csgpiod(). Signed-off-by:
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Andy Shevchenko authored
Instead of defining a local controller variable inside an indented block, move the definition to the top of spidev_ioctl() and reuse it in the SPI_IOC_RD_MODE* and SPI_IOC_WR_MODE* cases. This drops unneeded indentation and reduces amount of LoCs. Signed-off-by:
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Yang Yingliang authored
Change legacy name master/slave to modern name host/target or controller. No functional changed. Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20230823033003.3407403-22-yangyingliang@huawei.comSigned-off-by:
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Yang Yingliang authored
Change legacy name master to modern name host or controller. No functional changed. Signed-off-by:
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