diff options
author | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:14:13 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:15:08 +0300 |
commit | 537c2e91d3549e5d6020bb0576cf9b54a845255f (patch) | |
tree | c09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /include/linux/iio/iio.h | |
parent | 237bb5f7f7f55ec5f773469a974c61a49c298625 (diff) | |
parent | cba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff) | |
download | linux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/iio/iio.h')
-rw-r--r-- | include/linux/iio/iio.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index c5b36d2c1e73..e370a7bb3300 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -9,6 +9,7 @@ #include <linux/device.h> #include <linux/cdev.h> +#include <linux/cleanup.h> #include <linux/slab.h> #include <linux/iio/types.h> /* IIO TODO LIST */ @@ -638,10 +639,37 @@ int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev, int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp); int iio_device_claim_direct_mode(struct iio_dev *indio_dev); void iio_device_release_direct_mode(struct iio_dev *indio_dev); + +/* + * This autocleanup logic is normally used via + * iio_device_claim_direct_scoped(). + */ +DEFINE_GUARD(iio_claim_direct, struct iio_dev *, iio_device_claim_direct_mode(_T), + iio_device_release_direct_mode(_T)) + +DEFINE_GUARD_COND(iio_claim_direct, _try, ({ + struct iio_dev *dev; + int d = iio_device_claim_direct_mode(_T); + + if (d < 0) + dev = NULL; + else + dev = _T; + dev; + })) + +/** + * iio_device_claim_direct_scoped() - Scoped call to iio_device_claim_direct. + * @fail: What to do on failure to claim device. + * @iio_dev: Pointer to the IIO devices structure + */ +#define iio_device_claim_direct_scoped(fail, iio_dev) \ + scoped_cond_guard(iio_claim_direct_try, fail, iio_dev) + int iio_device_claim_buffer_mode(struct iio_dev *indio_dev); void iio_device_release_buffer_mode(struct iio_dev *indio_dev); -extern struct bus_type iio_bus_type; +extern const struct bus_type iio_bus_type; /** * iio_device_put() - reference counted deallocation of struct device |