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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2005-07-08 17:59:26 -0700
committerJames Bottomley <jejb@mulgrave.(none)>2005-07-14 11:15:31 -0400
commit88c2666351f41a7d4459e79594f687a356f5e57c (patch)
treea07eb04ead61e0aa61d22cde8963f1b74f9b0891 /drivers/scsi/qla2xxx/qla_dbg.c
parentf0883ac6a74b403f0f2e91166ba06227cc4690e6 (diff)
downloadop-kernel-dev-88c2666351f41a7d4459e79594f687a356f5e57c.zip
op-kernel-dev-88c2666351f41a7d4459e79594f687a356f5e57c.tar.gz
[SCSI] qla2xxx: Consolidate ISP24xx chip reset logic.
Consolidate ISP24xx chip reset logic. Consolidate near-duplicate RISC reset logic from qla24xx_reset_chip() and qla24xx_chip_diag(). Also, after initiating a soft-reset, insure the firmware has completed all NVRAM accesses before continuing. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dbg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index a20450e..72bbaa9 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1526,6 +1526,17 @@ qla24xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
WRT_REG_DWORD(&reg->ctrl_status,
CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
+ RD_REG_DWORD(&reg->ctrl_status);
+
+ /* Wait for firmware to complete NVRAM accesses. */
+ udelay(5);
+ mb[0] = (uint32_t) RD_REG_WORD(&reg->mailbox0);
+ for (cnt = 10000 ; cnt && mb[0]; cnt--) {
+ udelay(5);
+ mb[0] = (uint32_t) RD_REG_WORD(&reg->mailbox0);
+ barrier();
+ }
+
udelay(20);
for (cnt = 0; cnt < 30000; cnt++) {
if ((RD_REG_DWORD(&reg->ctrl_status) &
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