From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Thu, 02 Jul 2015 21:41:39 +0200 Subject: [PATCH 25/41] clocksource: tegra20: Migrate to new 'set-state' interface In-Reply-To: <1888421925acbfbcc453488d254faa154cd0fc2b.1434622147.git.viresh.kumar@linaro.org> References: <1888421925acbfbcc453488d254faa154cd0fc2b.1434622147.git.viresh.kumar@linaro.org> Message-ID: <559593F3.5030802@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/18/2015 12:54 PM, Viresh Kumar wrote: > Migrate tegra20 driver to the new 'set-state' interface provided by > clockevents core, the earlier 'set-mode' interface is marked obsolete > now. > > This also enables us to implement callbacks for new states of clockevent > devices, for example: ONESHOT_STOPPED. > > Cc: Thierry Reding > Cc: Stephen Warren > Signed-off-by: Viresh Kumar > --- [ ... ] > +static int tegra_timer_shutdown(struct clock_event_device *evt) > { > - u32 reg; > - > timer_writel(0, TIMER3_BASE + TIMER_PTV); > + return 0; > +} > > - switch (mode) { > - case CLOCK_EVT_MODE_PERIODIC: > - reg = 0xC0000000 | ((1000000/HZ)-1); > - timer_writel(reg, TIMER3_BASE + TIMER_PTV); > - break; > - case CLOCK_EVT_MODE_ONESHOT: > - break; > - case CLOCK_EVT_MODE_UNUSED: > - case CLOCK_EVT_MODE_SHUTDOWN: > - case CLOCK_EVT_MODE_RESUME: > - break; > - } > +static int tegra_timer_set_periodic(struct clock_event_device *evt) > +{ > + u32 reg = 0xC0000000 | ((1000000 / HZ) - 1); > + > + timer_writel(0, TIMER3_BASE + TIMER_PTV); Replace with 'tegra_timer_shutdown' > + timer_writel(reg, TIMER3_BASE + TIMER_PTV); > + return 0; > } -- Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog