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qla2xxx: Limit querying to supported mailbox-registers while reading FW state. 

Pre-ISP24xx chips have dedicated uses for mailbox 4 and 5 which
software should typically not query nor update.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
hifive-unleashed-5.1
Andrew Vasquez 2009-06-17 10:30:30 -07:00 committed by James Bottomley
parent 1bb3954851
commit 9d2683c05c
1 changed files with 10 additions and 5 deletions
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15
drivers/scsi/qla2xxx/qla_mbx.c
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@ -1267,17 +1267,22 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
if (IS_FWI2_CAPABLE(vha->hw))
mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
else
mcp->in_mb = MBX_1|MBX_0;
mcp->tov = MBX_TOV_SECONDS;
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
/* Return firmware states. */
states[0] = mcp->mb[1];
states[1] = mcp->mb[2];
states[2] = mcp->mb[3];
states[3] = mcp->mb[4];
states[4] = mcp->mb[5];
if (IS_FWI2_CAPABLE(vha->hw)) {
states[1] = mcp->mb[2];
states[2] = mcp->mb[3];
states[3] = mcp->mb[4];
states[4] = mcp->mb[5];
}
if (rval != QLA_SUCCESS) {
/*EMPTY*/