[PATCH 2/2] ipr: Block config I/O during BIST

[brking]

Here is an example of how to use the new PCI APIs to block
PCI config accesses when running BIST. 

Signed-off-by: Brian King <brking@xxxxxxxxxx>
---

 linux-2.6.10-rc2-bk4-bjking1/drivers/scsi/ipr.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

diff -puN drivers/scsi/ipr.c~ipr_block_config_io_during_bist_generic drivers/scsi/ipr.c
--- linux-2.6.10-rc2-bk4/drivers/scsi/ipr.c~ipr_block_config_io_during_bist_generic	2004-11-19 14:06:57.000000000 -0600
+++ linux-2.6.10-rc2-bk4-bjking1/drivers/scsi/ipr.c	2004-11-19 14:06:57.000000000 -0600
@@ -4935,6 +4935,7 @@ static int ipr_reset_restore_cfg_space(s
 	int rc;
 
 	ENTER;
+	pci_unblock_config_access(ioa_cfg->pdev);
 	rc = pci_restore_state(ioa_cfg->pdev);
 
 	if (rc != PCIBIOS_SUCCESSFUL) {
@@ -4989,9 +4990,11 @@ static int ipr_reset_start_bist(struct i
 	int rc;
 
 	ENTER;
-	rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START);
+	pci_block_config_access(ioa_cfg->pdev);
+	rc = pci_start_bist(ioa_cfg->pdev);
 
 	if (rc != PCIBIOS_SUCCESSFUL) {
+		pci_unblock_config_access(ioa_cfg->pdev);
 		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
 		rc = IPR_RC_JOB_CONTINUE;
 	} else {
_
-
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