diff options
| author | Quinn Jensen <quinn.jensen@freescale.com> | 2007-10-24 21:27:16 -0600 |
|---|---|---|
| committer | Quinn Jensen <quinn.jensen@freescale.com> | 2007-10-24 21:27:16 -0600 |
| commit | 594133ef22fae0d737bd1b57352cf3f48a192c63 (patch) | |
| tree | 3fc14480cfdc862ae4bbd539e16a329b3d9e3869 | |
| parent | 30b79f6f01481dd8c5491ef3165521fc2ad68f8c (diff) | |
CR ENGR00053563 Fix Sahara Issue For MX272.6.22-mx31ads-2007102503272.6.22-mx31-200710250327
Patch for CR ENGR00053563 Fix Sahara Issue For MX27
Replace dma_map_single() with direct calls to L1,L2
cache functions. Applies to linux 2.6.22 kernel on
MX27 platforms.
http://www.bitshrine.org/gpp/linux-2.6.22-mx-CR-ENGR00053563-Fix-Sahara-Issue-For-MX27.patch
| -rw-r--r-- | drivers/mxc/security/sahara2/include/linux_port.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/mxc/security/sahara2/include/linux_port.h b/drivers/mxc/security/sahara2/include/linux_port.h index 1fb58366a695..f4f356b0d83b 100644 --- a/drivers/mxc/security/sahara2/include/linux_port.h +++ b/drivers/mxc/security/sahara2/include/linux_port.h @@ -1665,8 +1665,11 @@ extern void v6_flush_kern_cache_all_L2(void); * * @return void */ -#define os_cache_clean_range(start,len) \ - dma_map_single(NULL, (void*)start, len, DMA_TO_DEVICE) +#define os_cache_clean_range(start,len) \ +{ \ + dmac_clean_range(start, (void *)((unsigned long)(start) + len)); \ + outer_clean_range(__pa(start), __pa((unsigned long)(start) + len)); \ +} /*! * Invalidate a range of addresses in the cache @@ -1676,8 +1679,11 @@ extern void v6_flush_kern_cache_all_L2(void); * * @return void */ -#define os_cache_inv_range(start,len) \ - dma_map_single(NULL, (void*)start, len, DMA_FROM_DEVICE) +#define os_cache_inv_range(start,len) \ +{ \ + dmac_inv_range(start, (void *)((unsigned long)(start) + len)); \ + outer_inv_range(__pa(start), __pa((unsigned long)(start) + len)); \ +} /*! * Flush a range of addresses from the cache. That is, perform clean @@ -1688,8 +1694,11 @@ extern void v6_flush_kern_cache_all_L2(void); * * @return void */ -#define os_cache_flush_range(start,len) \ - dma_map_single(NULL, (void*)start, len, DMA_BIDIRECTIONAL) +#define os_cache_flush_range(start,len) \ +{ \ + dmac_flush_range(start, (void *)((unsigned long)(start) + len)); \ + outer_flush_range(__pa(start), __pa((unsigned long)(start) + len)); \ +} /*! @} *//* cacheops */ |