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| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-03-04 12:01:54 +0100 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-03-04 12:01:54 +0100 |
| commit | 348fa3f6871f56a37dcd16c99ca98118c6d79a38 (patch) | |
| tree | 6fcae7785bae4ffb838fd6549f7d01ba6abf0763 /compat/backport-4.12.c | |
Backports v4.19.24
Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc
against mainline kernel tag v4.19.24
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'compat/backport-4.12.c')
| -rw-r--r-- | compat/backport-4.12.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/compat/backport-4.12.c b/compat/backport-4.12.c new file mode 100644 index 0000000..4f9de26 --- /dev/null +++ b/compat/backport-4.12.c @@ -0,0 +1,24 @@ +#ifdef CONFIG_OF +#include <linux/of_device.h> +#endif + +#ifdef CONFIG_OF +#if LINUX_VERSION_IS_GEQ(4,4,0) +/** + * of_device_modalias - Fill buffer with newline terminated modalias string + */ +ssize_t bp_of_device_modalias(struct device *dev, char *str, ssize_t len) +{ + ssize_t sl = of_device_get_modalias(dev, str, len - 2); + if (sl < 0) + return sl; + if (sl > len - 2) + return -ENOMEM; + + str[sl++] = '\n'; + str[sl] = 0; + return sl; +} +EXPORT_SYMBOL_GPL(bp_of_device_modalias); +#endif +#endif |