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Some SoCs (for example Amlogic GXBB) implement a reset controller which only supports a reset pulse (triggered via reset_control_reset). At the same time multiple devices (in case of the Amlogic GXBB SoC both USB PHYs) are sharing the same reset line. This patch allows using reset_control_reset also for shared resets. There are limitations though: reset_control_reset can only be used if reset_control_assert was not used yet. reset_control_assert can only be used if reset_control_reset was not used yet. For shared resets the reset is only triggered once for the lifetime of the reset_control instance (the reset can be triggered again if all consumers of that specific reset_control are gone, as the reset framework will free the reset_control instance in that case). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> |
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| .. | ||
| hisilicon | ||
| sti | ||
| core.c | ||
| Kconfig | ||
| Makefile | ||
| reset-ath79.c | ||
| reset-berlin.c | ||
| reset-lpc18xx.c | ||
| reset-meson.c | ||
| reset-oxnas.c | ||
| reset-pistachio.c | ||
| reset-socfpga.c | ||
| reset-stm32.c | ||
| reset-sunxi.c | ||
| reset-ti-syscon.c | ||
| reset-uniphier.c | ||
| reset-zynq.c | ||