diff options
Diffstat (limited to 'ichspi.c')
| -rw-r--r-- | ichspi.c | 35 |
1 files changed, 21 insertions, 14 deletions
@@ -742,22 +742,29 @@ int ich_spi_send_command(unsigned int writecnt, unsigned int readcnt, return result; } -int ich_spi_send_multicommand(struct spi_command *spicommands) +int ich_spi_send_multicommand(struct spi_command *cmds) { int ret = 0; - while ((spicommands->writecnt || spicommands->readcnt) && !ret) { - ret = ich_spi_send_command(spicommands->writecnt, spicommands->readcnt, - spicommands->writearr, spicommands->readarr); - /* This awful hack needs to be smarter. - */ - if ((ret == SPI_INVALID_OPCODE) && - ((spicommands->writearr[0] == JEDEC_WREN) || - (spicommands->writearr[0] == JEDEC_EWSR))) { - printf_debug(" due to SPI master limitation, ignoring" - " and hoping it will be run as PREOP\n"); - ret = 0; - } - spicommands++; + int oppos, preoppos; + for (; (cmds->writecnt || cmds->readcnt) && !ret; cmds++) { + /* Is the next command valid or a terminator? */ + if ((cmds + 1)->writecnt || (cmds + 1)->readcnt) { + preoppos = find_preop(curopcodes, cmds->writearr[0]); + oppos = find_opcode(curopcodes, (cmds + 1)->writearr[0]); + /* Is the opcode of the current command listed in the + * ICH struct OPCODES as associated preopcode for the + * opcode of the next command? + */ + if ((oppos != -1) && (preoppos != -1) && + (curopcodes->opcode[oppos].atomic - 1 == preoppos)) { + printf_debug("opcode 0x%02x will be run as PREOP\n", + cmds->writearr[0]); + continue; + } + } + + ret = ich_spi_send_command(cmds->writecnt, cmds->readcnt, + cmds->writearr, cmds->readarr); } return ret; } |
