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>

1 files changed, 32 insertions, 0 deletions

diff --git a/backport-include/linux/bp-devcoredump.h b/backport-include/linux/bp-devcoredump.h
new file mode 100644
index 0000000..1e4abf6
--- /dev/null
+++ b/backport-include/linux/bp-devcoredump.h
@@ -0,0 +1,32 @@
+#ifndef __BACKPORT_LINUX_DEVCOREDUMP_H
+#define __BACKPORT_LINUX_DEVCOREDUMP_H
+#include <linux/version.h>
+#include <linux/scatterlist.h>
+
+/* We only need to add our wrapper inside the range from 3.18 until
+ * 4.6, outside that we can let our BPAUTO mechanism handle it.
+ */
+#if (LINUX_VERSION_IS_GEQ(3,18,0) &&	\
+     LINUX_VERSION_IS_LESS(4,7,0))
+static inline
+void backport_dev_coredumpm(struct device *dev, struct module *owner,
+			    void *data, size_t datalen, gfp_t gfp,
+			    ssize_t (*read_fn)(char *buffer, loff_t offset,
+					    size_t count, void *data,
+					    size_t datalen),
+			    void (*free_fn)(void *data))
+{
+	return dev_coredumpm(dev, owner, (const void *)data, datalen, gfp,
+			     (void *)read_fn, (void *)free_fn);
+}
+
+#define dev_coredumpm LINUX_BACKPORT(dev_coredumpm)
+
+#define dev_coredumpsg LINUX_BACKPORT(dev_coredumpsg)
+void dev_coredumpsg(struct device *dev, struct scatterlist *table,
+		    size_t datalen, gfp_t gfp);
+
+#endif /* (LINUX_VERSION_IS_GEQ(3,18,0) &&	\
+	   LINUX_VERSION_IS_LESS(4,7,0)) */
+
+#endif /* __BACKPORT_LINUX_DEVCOREDUMP_H */