linux/drivers/char/hw_random
Tony Lindgren eaecce12f5 hwrng: omap3-rom - Call clk_disable_unprepare() on exit only if not idled
When unloading omap3-rom-rng, we'll get the following:

WARNING: CPU: 0 PID: 100 at drivers/clk/clk.c:948 clk_core_disable

This is because the clock may be already disabled by omap3_rom_rng_idle().
Let's fix the issue by checking for rng_idle on exit.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes: 1c6b7c2108 ("hwrng: OMAP3 ROM Random Number Generator support")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:06:11 +10:00
..
amd-rng.c hwrng: amd - Revert managed API changes 2017-03-16 17:43:10 +08:00
atmel-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
bcm2835-rng.c hwrng: bcm2835 - fix probe as platform device 2019-02-28 14:17:58 +08:00
cavium-rng-vf.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
cavium-rng.c hwrng: cavium - make two functions static 2018-03-09 22:45:34 +08:00
core.c hwrng: core - don't wait on add_early_randomness() 2019-09-20 23:05:33 +10:00
exynos-trng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
geode-rng.c hwrng: geode - Revert managed API changes 2017-03-16 17:43:11 +08:00
hisi-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
imx-rngc.c hwrng: imx-rngc - use devm_platform_ioremap_resource() to simplify code 2019-07-27 21:08:32 +10:00
intel-rng.c hwrng: printk replacement 2014-10-02 14:35:00 +08:00
iproc-rng200.c hwrng: iproc-rng200 - Add support for 7211 2019-06-20 14:18:32 +08:00
ixp4xx-rng.c IXP4xx: HW pseudo-random generator is available on IXP45x/46x only. 2012-11-22 03:35:39 +00:00
Kconfig hwrng: npcm - add NPCM RNG driver 2019-10-05 01:04:32 +10:00
ks-sa-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
Makefile hwrng: npcm - add NPCM RNG driver 2019-10-05 01:04:32 +10:00
meson-rng.c hwrng: meson - update with SPDX Licence identifier 2019-05-30 15:28:40 +08:00
mtk-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
mxc-rnga.c hwrng: mxc-rnga - use devm_platform_ioremap_resource() to simplify code 2019-07-27 21:08:32 +10:00
n2-asm.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
n2-drv.c hwrng: n2-drv - fix typo 2019-08-08 12:07:49 +10:00
n2rng.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nomadik-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
npcm-rng.c hwrng: npcm - add NPCM RNG driver 2019-10-05 01:04:32 +10:00
octeon-rng.c hwrng: octeon - Use devm_hwrng_register 2015-09-21 22:00:38 +08:00
omap3-rom-rng.c hwrng: omap3-rom - Call clk_disable_unprepare() on exit only if not idled 2019-10-05 01:06:11 +10:00
omap-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
optee-rng.c hwrng: make symbol 'optee_rng_id_table' static 2019-02-20 17:58:50 +01:00
pasemi-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
pic32-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 2019-06-05 17:37:18 +02:00
powernv-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
pseries-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
s390-trng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 376 2019-06-05 17:37:10 +02:00
st-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00
stm32-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 110 2019-05-24 17:39:01 +02:00
timeriomem-rng.c hwrng: timeriomem - relax check on memory resource size 2019-09-05 14:37:30 +10:00
tx4939-rng.c hwrng: tx4939 - Use devm_hwrng_register instead of hwrng_register 2016-08-31 23:00:49 +08:00
via-rng.c hwrng: via - support new Centaur CPU 2018-04-21 00:59:03 +08:00
virtio-rng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
xgene-rng.c hwrng: drivers - Use device-managed registration API 2019-08-02 14:44:33 +10:00