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| author |   Jérôme Pouiller <jerome.pouiller@silabs.com> | 2020-05-05 14:37:49 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-13 13:26:41 +0200 |
| commit | 57aa557f110d9fb6980cb58498cfd3a51feb5473 (patch) | |
| tree | 61613412ea2d0bc877ab3f489e19d488feef18d8 /drivers/staging/wfx/bh.h | |
| parent | staging: wfx: use threaded IRQ with SPI (diff) | |
| download | linux-dev-57aa557f110d9fb6980cb58498cfd3a51feb5473.tar.xz linux-dev-57aa557f110d9fb6980cb58498cfd3a51feb5473.zip | |
staging: wfx: introduce a way to poll IRQ
It is possible to check if an IRQ is ending by polling the control
register. This function must used with care: if an IRQ fires while the
host reads control register, the IRQ can be lost. However, it could be
useful in some cases.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200505123757.39506-8-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wfx/bh.h')
| -rw-r--r-- | drivers/staging/wfx/bh.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/wfx/bh.h b/drivers/staging/wfx/bh.h index 93ca98424e0b..4b73437869e1 100644 --- a/drivers/staging/wfx/bh.h +++ b/drivers/staging/wfx/bh.h @@ -28,5 +28,6 @@ void wfx_bh_register(struct wfx_dev *wdev); void wfx_bh_unregister(struct wfx_dev *wdev); void wfx_bh_request_rx(struct wfx_dev *wdev); void wfx_bh_request_tx(struct wfx_dev *wdev); +void wfx_bh_poll_irq(struct wfx_dev *wdev); #endif /* WFX_BH_H */ |