[PATCH 3.2 026/147] xtensa: add missing symbol exports

From: Ben Hutchings
Date: Mon Nov 06 2017 - 18:43:08 EST


3.2.95-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Max Filippov <jcmvbkbc@xxxxxxxxx>

commit d3738f407c8ced4fd17dccf6cce729023c735c73 upstream.

Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
Signed-off-by: Chris Zankel <chris@xxxxxxxxxx>
[bwh: Backported to 3.2: drop exports of some functions that aren't defined here]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -21,6 +21,7 @@
#include <linux/string.h>
#include <linux/pci.h>
#include <linux/gfp.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <asm/cacheflush.h>

@@ -62,6 +63,7 @@ dma_alloc_coherent(struct device *dev,si

return (void*)uncached;
}
+EXPORT_SYMBOL(dma_alloc_coherent);

void dma_free_coherent(struct device *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle)
@@ -73,6 +75,7 @@ void dma_free_coherent(struct device *hw

free_pages(addr, get_order(size));
}
+EXPORT_SYMBOL(dma_free_coherent);


void consistent_sync(void *vaddr, size_t size, int direction)
@@ -92,3 +95,4 @@ void consistent_sync(void *vaddr, size_t
break;
}
}
+EXPORT_SYMBOL(consistent_sync);
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -39,8 +39,12 @@
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
+EXPORT_SYMBOL(__strncpy_user);
+EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(copy_page);

EXPORT_SYMBOL(kernel_thread);
+EXPORT_SYMBOL(empty_zero_page);

/*
* gcc internal math functions
@@ -73,6 +77,7 @@ EXPORT_SYMBOL(__umoddi3);
/*
* Networking support
*/
+EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
#endif /* CONFIG_NET */