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The Clock framework allows users to specify a callback which is called after the clock's period has been updated. Some users need to also have a callback which is called before the clock period is updated. As the first step in adding support for notifying Clock users on pre-update events, add an argument to the ClockCallback to specify what event is being notified, and add an argument to the various functions for registering a callback to specify which events are of interest to that callback. Note that the documentation update renders correct the previously incorrect claim in 'Adding a new clock' that callbacks "will be explained in a following section". Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Luc Michel <luc@lmichel.fr> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210219144617.4782-2-peter.maydell@linaro.org |
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| cmsdk-apb-watchdog.c | ||
| Kconfig | ||
| meson.build | ||
| sbsa_gwdt.c | ||
| trace-events | ||
| trace.h | ||
| watchdog.c | ||
| wdt_aspeed.c | ||
| wdt_diag288.c | ||
| wdt_i6300esb.c | ||
| wdt_ib700.c | ||
| wdt_imx2.c | ||