| Message ID | 20220314141643.22184-1-u.kleine-koenig@pengutronix.de (mailing list archive) |
|---|---|
| Headers | show |
| Series | clk: provide new devm helpers for prepared and enabled clocks | expand |
On Mon, Mar 14, 2022 at 5:14 PM Uwe Kleine-König <u.kleine-koenig@pengutronix.de> wrote: > > Hello, > > this is another try to convince the relevant people that > devm_clk_get_enabled() is a nice idea. Compared to v7 (back in May 2021) this > series is rebased to v5.17-rc8 and converts quite some drivers that open code > devm_clk_get_enabled() up to now (patches #3 - #11). > > A concern about devm_clk_get_enabled() in v7 was that it helps people to be > lazy and I agree that in some situations when devm_clk_get_enabled() is used it > would be more efficient and sensible to care to only enable the clk when really > needed. > > On the other hand, the function is right for some users, e.g. the watchdog > drivers. For the others it's not so simple to judge. Given that there are a > lot of drivers that are lazy even if doing so is some effort (i.e. calling > clk_prepare_enable() and devm_add_action()) convinces me, that introducing the > function family is sensible. (And if you want to work on these drivers, > grepping for devm_clk_get_enabled gives you a few candidates once the > series is in :-) FWIW, Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> for drivers/iio Thanks for doing this! > Otherwise looking at the diffstat of this series: > > 48 files changed, 257 insertions(+), 851 deletions(-) > > is quite convincing. Just the first two patches (which introduce the new > functions) account for > > 2 files changed, 169 insertions(+), 17 deletions(-) > > . A rough third of the added lines is documentation. The rest is driver > updates which then has: > > 46 files changed, 88 insertions(+), 834 deletions(-) > > which makes a really nice cleanup. > > The series is build-tested on arm64, m68k, powerpc, riscv, s390, sparc64 > and x86_64 using an allmodconfig. > > Best regards > Uwe > > Uwe Kleine-König (16): > clk: generalize devm_clk_get() a bit > clk: Provide new devm_clk helpers for prepared and enabled clocks > hwmon: Make use of devm_clk_get_enabled() > iio: Make use of devm_clk_get_enabled() > hwrng: meson - Don't open-code devm_clk_get_optional_enabled() > bus: bt1: Don't open code devm_clk_get_enabled() > gpio: vf610: Simplify error handling in probe > drm/meson: dw-hdmi: Don't open code devm_clk_get_enabled() > rtc: ingenic: Simplify using devm_clk_get_enabled() > clk: meson: axg-audio: Don't duplicate devm_clk_get_enabled() > watchdog: Make use of devm_clk_get_enabled() > pwm: atmel: Simplify using devm_clk_get_prepared() > rtc: at91sam9: Simplify using devm_clk_get_enabled() > i2c: imx: Simplify using devm_clk_get_enabled() > spi: davinci: Simplify using devm_clk_get_enabled() > dmaengine: lgm: Fix error handling > > drivers/bus/bt1-apb.c | 23 +------ > drivers/bus/bt1-axi.c | 23 +------ > drivers/char/hw_random/meson-rng.c | 20 +----- > drivers/clk/clk-devres.c | 96 ++++++++++++++++++++++----- > drivers/clk/meson/axg-audio.c | 36 ++-------- > drivers/dma/lgm/lgm-dma.c | 8 +-- > drivers/gpio/gpio-vf610.c | 45 +++---------- > drivers/gpu/drm/meson/meson_dw_hdmi.c | 48 +++++--------- > drivers/hwmon/axi-fan-control.c | 15 +---- > drivers/hwmon/ltc2947-core.c | 17 +---- > drivers/hwmon/mr75203.c | 26 +------- > drivers/hwmon/sparx5-temp.c | 19 +----- > drivers/i2c/busses/i2c-imx.c | 12 +--- > drivers/iio/adc/ad7124.c | 15 +---- > drivers/iio/adc/ad7768-1.c | 17 +---- > drivers/iio/adc/ad9467.c | 17 +---- > drivers/iio/adc/ingenic-adc.c | 15 +---- > drivers/iio/adc/lpc18xx_adc.c | 18 +---- > drivers/iio/adc/rockchip_saradc.c | 44 +----------- > drivers/iio/adc/ti-ads131e08.c | 19 +----- > drivers/iio/adc/xilinx-ams.c | 15 +---- > drivers/iio/adc/xilinx-xadc-core.c | 18 +---- > drivers/iio/frequency/adf4371.c | 17 +---- > drivers/iio/frequency/admv1013.c | 15 +---- > drivers/iio/frequency/adrf6780.c | 16 +---- > drivers/iio/imu/adis16475.c | 15 +---- > drivers/pwm/pwm-atmel.c | 16 +---- > drivers/rtc/rtc-at91sam9.c | 22 ++---- > drivers/rtc/rtc-jz4740.c | 21 +----- > drivers/spi/spi-davinci.c | 11 +-- > drivers/watchdog/cadence_wdt.c | 17 +---- > drivers/watchdog/davinci_wdt.c | 18 +---- > drivers/watchdog/imgpdc_wdt.c | 31 +-------- > drivers/watchdog/imx2_wdt.c | 15 +---- > drivers/watchdog/imx7ulp_wdt.c | 15 +---- > drivers/watchdog/loongson1_wdt.c | 17 +---- > drivers/watchdog/lpc18xx_wdt.c | 30 +-------- > drivers/watchdog/meson_gxbb_wdt.c | 16 +---- > drivers/watchdog/of_xilinx_wdt.c | 16 +---- > drivers/watchdog/pic32-dmt.c | 15 +---- > drivers/watchdog/pic32-wdt.c | 17 +---- > drivers/watchdog/pnx4008_wdt.c | 15 +---- > drivers/watchdog/qcom-wdt.c | 16 +---- > drivers/watchdog/rtd119x_wdt.c | 16 +---- > drivers/watchdog/st_lpc_wdt.c | 16 +---- > drivers/watchdog/stm32_iwdg.c | 31 +-------- > drivers/watchdog/visconti_wdt.c | 18 +---- > include/linux/clk.h | 90 ++++++++++++++++++++++++- > 48 files changed, 257 insertions(+), 851 deletions(-) > > > base-commit: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9 > -- > 2.35.1 >