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bcm47xx: fix brcm-wl module loading

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_dma_cache_wback_inv needs to be exported to load wl module successfully.

root@OpenWrt:/# insmod wl
[  363.867779] wl: Unknown symbol _dma_cache_wback_inv (err -2)
failed to insert /lib/modules/5.4.40/wl.ko

Signed-off-by: Sungbo Eo <mans0n@gorani.run>
Cc: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Sungbo Eo 2020-05-31 16:42:23 +09:00 committed by Petr Štetiar
parent 25641709d8
commit 6ea87d35c6
1 changed files with 2 additions and 1 deletions
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3
target/linux/bcm47xx/patches-5.4/999-wl_exports.patch
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@ -12,10 +12,11 @@
static int cfe_env;
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -62,6 +62,8 @@ void (*_dma_cache_wback_inv)(unsigned lo
@@ -62,6 +62,9 @@ void (*_dma_cache_wback_inv)(unsigned lo
void (*_dma_cache_wback)(unsigned long start, unsigned long size);
void (*_dma_cache_inv)(unsigned long start, unsigned long size);
+EXPORT_SYMBOL(_dma_cache_wback_inv);
+EXPORT_SYMBOL(_dma_cache_inv);
+
#endif /* CONFIG_DMA_NONCOHERENT */