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

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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>
This commit is contained in:
Samuel Iglesias Gonsálvez 2012-07-13 13:33:14 +02:00 • committed by Greg Kroah-Hartman
parent 1337b07e66
commit 4eed84a8a4
1 changed files with 14 additions and 0 deletions
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14
drivers/staging/ipack/devices/ipoctal.c
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@ -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++) {