Commit d06f2a68 authored by Jean Tourrilhes's avatar Jean Tourrilhes Committed by Linus Torvalds

irda update 3/6:

        o [FEATURE] Export CRC16 helper so that drivers can use it
parent c8dc801d
...@@ -28,6 +28,6 @@ static inline __u16 irda_fcs(__u16 fcs, __u8 c) ...@@ -28,6 +28,6 @@ static inline __u16 irda_fcs(__u16 fcs, __u8 c)
} }
/* Recompute the FCS with len bytes appended. */ /* Recompute the FCS with len bytes appended. */
unsigned short crc_calc( __u16 fcs, __u8 const *buf, size_t len); unsigned short irda_calc_crc16( __u16 fcs, __u8 const *buf, size_t len);
#endif #endif
...@@ -57,7 +57,7 @@ __u16 const irda_crc16_table[256] = ...@@ -57,7 +57,7 @@ __u16 const irda_crc16_table[256] =
0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
}; };
unsigned short crc_calc( __u16 fcs, __u8 const *buf, size_t len) unsigned short irda_calc_crc16( __u16 fcs, __u8 const *buf, size_t len)
{ {
while (len--) while (len--)
fcs = irda_fcs(fcs, *buf++); fcs = irda_fcs(fcs, *buf++);
......
...@@ -42,6 +42,7 @@ ...@@ -42,6 +42,7 @@
#include <net/irda/wrapper.h> #include <net/irda/wrapper.h>
#include <net/irda/timer.h> #include <net/irda/timer.h>
#include <net/irda/parameters.h> #include <net/irda/parameters.h>
#include <net/irda/crc.h>
extern struct proc_dir_entry *proc_irda; extern struct proc_dir_entry *proc_irda;
...@@ -163,6 +164,7 @@ EXPORT_SYMBOL(irda_task_delete); ...@@ -163,6 +164,7 @@ EXPORT_SYMBOL(irda_task_delete);
EXPORT_SYMBOL(async_wrap_skb); EXPORT_SYMBOL(async_wrap_skb);
EXPORT_SYMBOL(async_unwrap_char); EXPORT_SYMBOL(async_unwrap_char);
EXPORT_SYMBOL(irda_calc_crc16);
EXPORT_SYMBOL(irda_start_timer); EXPORT_SYMBOL(irda_start_timer);
EXPORT_SYMBOL(setup_dma); EXPORT_SYMBOL(setup_dma);
EXPORT_SYMBOL(infrared_mode); EXPORT_SYMBOL(infrared_mode);
......
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