Hi, On Sun, Sep 8, 2019 at 3:12 AM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > To avoid each host driver supporting SDIO IRQs, from keeping track > internally about if SDIO IRQs has been claimed, let's introduce a common > helper function, sdio_irq_claimed(). > > The function returns true if SDIO IRQs are claimed, via using the > information about the number of claimed irqs. This is safe, even without > any locks, as long as the helper function is called only from > runtime/system suspend callbacks of the host driver. > > Tested-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > --- > > Changes in v2: > - Renamed function to sdio_irq_claimed(). > > --- > include/linux/mmc/host.h | 9 +++++++++ > 1 file changed, 9 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
