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Staging: ipack/devices/ipoctal: initialize the device in probe function

Initialize the device when registering it. Sometimes the user access to it
and the device is in an unknown state, so it could fail.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Samuel Iglesias Gonsálvez 13 gadi atpakaļ
vecāks
revīzija
4eed84a8a4
1 mainītis faili ar 14 papildinājumiem un 0 dzēšanām
  1. 14 0
      drivers/staging/ipack/devices/ipoctal.c

+ 14 - 0
drivers/staging/ipack/devices/ipoctal.c

@@ -411,6 +411,20 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
 	for (i = 0; i < NR_CHANNELS ; i++) {
 		ipoctal_write_io_reg(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
 				     CR_DISABLE_RX | CR_DISABLE_TX);
+		ipoctal_write_cr_cmd(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
+				     CR_CMD_RESET_RX);
+		ipoctal_write_cr_cmd(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
+				     CR_CMD_RESET_TX);
+		ipoctal_write_io_reg(ipoctal,
+				     &ipoctal->chan_regs[i].u.w.mr,
+				     MR1_CHRL_8_BITS | MR1_ERROR_CHAR |
+				     MR1_RxINT_RxRDY); /* mr1 */
+		ipoctal_write_io_reg(ipoctal,
+				     &ipoctal->chan_regs[i].u.w.mr,
+				     0); /* mr2 */
+		ipoctal_write_io_reg(ipoctal,
+				     &ipoctal->chan_regs[i].u.w.csr,
+				     TX_CLK_9600  | RX_CLK_9600);
 	}
 
 	for (i = 0; i < IP_OCTAL_NB_BLOCKS; i++) {