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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>
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1 changed files with 14 additions and 0 deletions
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@ -411,6 +411,20 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
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for (i = 0; i < NR_CHANNELS ; i++) {
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ipoctal_write_io_reg(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
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CR_DISABLE_RX | CR_DISABLE_TX);
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ipoctal_write_cr_cmd(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
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CR_CMD_RESET_RX);
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ipoctal_write_cr_cmd(ipoctal, &ipoctal->chan_regs[i].u.w.cr,
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CR_CMD_RESET_TX);
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ipoctal_write_io_reg(ipoctal,
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&ipoctal->chan_regs[i].u.w.mr,
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MR1_CHRL_8_BITS | MR1_ERROR_CHAR |
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MR1_RxINT_RxRDY); /* mr1 */
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ipoctal_write_io_reg(ipoctal,
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&ipoctal->chan_regs[i].u.w.mr,
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0); /* mr2 */
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ipoctal_write_io_reg(ipoctal,
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&ipoctal->chan_regs[i].u.w.csr,
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TX_CLK_9600 | RX_CLK_9600);
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}
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for (i = 0; i < IP_OCTAL_NB_BLOCKS; i++) {
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