linux-stable/drivers/pwm
Steven Price 5f0d81cc1c pwm: tegra: Fix 32 bit build
[ Upstream commit dd1f1da4ad ]

The value of NSEC_PER_SEC << PWM_DUTY_WIDTH doesn't fix within a 32 bit
integer causing a build warning/error (and the value truncated):

  drivers/pwm/pwm-tegra.c: In function ‘tegra_pwm_config’:
  drivers/pwm/pwm-tegra.c:148:53: error: result of ‘1000000000 << 8’ requires 39 bits to represent, but ‘long int’ only has 32 bits [-Werror=shift-overflow=]
    148 |   required_clk_rate = DIV_ROUND_UP_ULL(NSEC_PER_SEC << PWM_DUTY_WIDTH,
        |                                                     ^~

Explicitly cast to a u64 to ensure the correct result.

Fixes: cfcb68817fb3 ("pwm: tegra: Improve required rate calculation")
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:26:54 +01:00
..
Kconfig pwm: Add clock based PWM output driver 2022-07-29 13:41:18 +02:00
Makefile pwm: Add clock based PWM output driver 2022-07-29 13:41:18 +02:00
core.c pwm: Drop support for legacy drivers 2022-06-22 15:31:13 +02:00
pwm-ab8500.c
pwm-atmel-hlcdc.c
pwm-atmel-tcb.c pwm: atmel-tcb: Fix typo in comment 2022-06-22 15:33:13 +02:00
pwm-atmel.c pwm: atmel: Remove redundant initialization of variable timeout 2022-02-24 13:54:05 +01:00
pwm-bcm-iproc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
pwm-bcm-kona.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
pwm-bcm2835.c
pwm-berlin.c
pwm-brcmstb.c pwm: brcmstb: Remove useless locking 2022-02-24 14:46:24 +01:00
pwm-clk.c pwm: Add clock based PWM output driver 2022-07-29 13:41:18 +02:00
pwm-clps711x.c pwm: clps71xx: Implement .apply() callback 2022-04-22 18:52:30 +02:00
pwm-crc.c
pwm-cros-ec.c pwm: pwm-cros-ec: Add channel type support 2022-05-20 16:40:01 +02:00
pwm-dwc.c
pwm-ep93xx.c
pwm-fsl-ftm.c
pwm-hibvt.c
pwm-img.c pwm: img: Rename variable pointing to driver private data 2022-02-02 17:06:05 +01:00
pwm-imx-tpm.c
pwm-imx1.c pwm: imx1: Implement .apply callback 2022-02-02 17:05:19 +01:00
pwm-imx27.c
pwm-intel-lgm.c
pwm-iqs620a.c
pwm-jz4740.c pwm: jz4740: Add support for X1000 SoC 2022-02-24 14:37:21 +01:00
pwm-keembay.c
pwm-lp3943.c pwm: lp3943: Implement .apply() callback 2022-04-22 18:43:09 +02:00
pwm-lpc18xx-sct.c pwm: lpc18xx: Fix period handling 2022-07-29 13:41:18 +02:00
pwm-lpc32xx.c pwm: lpc32xx: Implement .apply() callback 2022-05-20 16:29:01 +02:00
pwm-lpss-pci.c
pwm-lpss-platform.c
pwm-lpss.c
pwm-lpss.h
pwm-mediatek.c pwm: mediatek: always use bus clock for PWM on MT7622 2022-12-31 13:26:35 +01:00
pwm-meson.c pwm: meson: Drop always false check from .apply() 2022-02-01 08:38:10 +01:00
pwm-mtk-disp.c pwm: mtk-disp: Fix the parameters calculated by the enabled flag of disp_pwm 2022-12-31 13:26:35 +01:00
pwm-mxs.c
pwm-ntxec.c
pwm-omap-dmtimer.c
pwm-pca9685.c pwm: pca9685: Reset OFF/ON registers to POR value 2022-02-24 14:01:18 +01:00
pwm-pxa.c pwm: pxa: Implement .apply() callback 2022-02-02 18:03:05 +01:00
pwm-raspberrypi-poe.c pwm: raspberrypi-poe: Fix endianness in firmware struct 2022-04-22 18:50:51 +02:00
pwm-rcar.c pwm: rcar: Simplify multiplication/shift logic 2022-02-24 15:14:56 +01:00
pwm-renesas-tpu.c pwm: renesas-tpu: Improve precision of period and duty_cycle calculation 2022-05-20 16:18:40 +02:00
pwm-rockchip.c
pwm-samsung.c pwm: samsung: Implement .apply() callback 2022-05-20 15:59:34 +02:00
pwm-sifive.c pwm: sifive: Call pwm_sifive_update_clock() while mutex is held 2022-12-31 13:26:35 +01:00
pwm-sl28cpld.c
pwm-spear.c
pwm-sprd.c
pwm-sti.c pwm: sti: Implement .apply() callback 2022-05-20 16:28:18 +02:00
pwm-stm32-lp.c
pwm-stm32.c
pwm-stmpe.c pwm: stmpe: Implement .apply() callback 2022-05-20 16:28:35 +02:00
pwm-sun4i.c pwm-sun4i: Calculate the delay without rounding down to jiffies 2022-04-22 17:44:48 +02:00
pwm-sunplus.c pwm: sunplus-pwm: Add Sunplus SoC SP7021 PWM Driver 2022-04-22 18:34:24 +02:00
pwm-tegra.c pwm: tegra: Fix 32 bit build 2022-12-31 13:26:54 +01:00
pwm-tiecap.c
pwm-tiehrpwm.c pwm: tiehrpwm: Implement .apply() callback 2022-02-24 13:52:59 +01:00
pwm-twl-led.c pwm: twl-led: Document some limitations and link to the reference manual 2022-07-29 13:41:18 +02:00
pwm-twl.c pwm: twl: Implement .apply() callback 2021-11-17 17:12:42 +01:00
pwm-visconti.c pwm: visconti: Simplify using devm_pwmchip_add() 2021-11-05 11:51:41 +01:00
pwm-vt8500.c pwm: vt8500: Rename variable pointing to driver private data 2022-02-24 14:35:20 +01:00
pwm-xilinx.c pwm: Add support for Xilinx AXI Timer 2022-04-22 18:30:44 +02:00
sysfs.c