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path: root/drivers/i2c/busses/i2c-bfin-twi.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-bfin-twi.c')
-rw-r--r--drivers/i2c/busses/i2c-bfin-twi.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index 4d73ad7b5703..40136ea7a46f 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -104,9 +104,14 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface)
104 write_MASTER_CTL(iface, 104 write_MASTER_CTL(iface,
105 read_MASTER_CTL(iface) | STOP); 105 read_MASTER_CTL(iface) | STOP);
106 else if (iface->cur_mode == TWI_I2C_MODE_REPEAT && 106 else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
107 iface->cur_msg+1 < iface->msg_num) 107 iface->cur_msg + 1 < iface->msg_num) {
108 write_MASTER_CTL(iface, 108 if (iface->pmsg[iface->cur_msg + 1].flags & I2C_M_RD)
109 read_MASTER_CTL(iface) | RSTART); 109 write_MASTER_CTL(iface,
110 read_MASTER_CTL(iface) | RSTART | MDIR);
111 else
112 write_MASTER_CTL(iface,
113 (read_MASTER_CTL(iface) | RSTART) & ~MDIR);
114 }
110 SSYNC(); 115 SSYNC();
111 /* Clear status */ 116 /* Clear status */
112 write_INT_STAT(iface, XMTSERV); 117 write_INT_STAT(iface, XMTSERV);
@@ -134,9 +139,13 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface)
134 read_MASTER_CTL(iface) | STOP); 139 read_MASTER_CTL(iface) | STOP);
135 SSYNC(); 140 SSYNC();
136 } else if (iface->cur_mode == TWI_I2C_MODE_REPEAT && 141 } else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
137 iface->cur_msg+1 < iface->msg_num) { 142 iface->cur_msg + 1 < iface->msg_num) {
138 write_MASTER_CTL(iface, 143 if (iface->pmsg[iface->cur_msg + 1].flags & I2C_M_RD)
139 read_MASTER_CTL(iface) | RSTART); 144 write_MASTER_CTL(iface,
145 read_MASTER_CTL(iface) | RSTART | MDIR);
146 else
147 write_MASTER_CTL(iface,
148 (read_MASTER_CTL(iface) | RSTART) & ~MDIR);
140 SSYNC(); 149 SSYNC();
141 } 150 }
142 /* Clear interrupt source */ 151 /* Clear interrupt source */