From: <gregkh@linuxfoundation.org>
To: arnd@arndb.de, Stable@vger.kernel.org, denis.ciocca@st.com,
jic23@kernel.org
Subject: patch "iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE" added to staging-linus
Date: Mon, 04 Apr 2016 13:45:52 -0700 [thread overview]
Message-ID: <145980275222249@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
>From 9b090a98e95c2530ef0ce474e3b6218621b8ae25 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 29 Mar 2016 22:27:27 +0200
Subject: iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
When CONFIG_IIO_TRIGGER is enabled but CONFIG_IIO_BUFFER is
not, we get a build error in the st_magn driver:
drivers/iio/magnetometer/st_magn_core.c:573:23: error: 'ST_MAGN_TRIGGER_SET_STATE' undeclared here (not in a function)
.set_trigger_state = ST_MAGN_TRIGGER_SET_STATE,
^~~~~~~~~~~~~~~~~~~~~~~~~
Apparently, this ST_MAGN_TRIGGER_SET_STATE macro was meant to
be set to NULL when the definition is not available because
st_magn_buffer.c is not compiled, but the alternative definition
was not included in the original patch. This adds it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 74f5683f35fe ("iio: st_magn: Add irq trigger handling")
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
drivers/iio/magnetometer/st_magn.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h
index 06a4d9c35581..9daca4681922 100644
--- a/drivers/iio/magnetometer/st_magn.h
+++ b/drivers/iio/magnetometer/st_magn.h
@@ -44,6 +44,7 @@ static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
{
}
+#define ST_MAGN_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */
#endif /* ST_MAGN_H */
--
2.8.0
reply other threads:[~2016-04-04 20:45 UTC|newest]
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