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authorRon Mercer <ron.mercer@qlogic.com>2009-02-26 10:08:33 +0000
committerDavid S. Miller <davem@davemloft.net>2009-02-26 22:28:07 -0800
commita2e809bb1b2174af66bf9798444f7e90892f45a9 (patch)
treea5384c861c5dfbbcb88f3321a47a2cea5cc2edd6 /drivers
parentb82808b759ffb8f4db2a1f8989195d95c8625cfe (diff)
qlge: Clean up firmware reset path.
Add function for performing the reset rather than in-line. This function may later be called by a core dump process. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/qlge/qlge_mpi.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index fa31891b6e6..f9db78697e2 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -1,6 +1,6 @@
#include "qlge.h"
-static int ql_read_mbox_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
+int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
{
int status;
/* wait for reg to come ready */
@@ -19,6 +19,32 @@ exit:
return status;
}
+int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data)
+{
+ int status = 0;
+ /* wait for reg to come ready */
+ status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
+ if (status)
+ goto exit;
+ /* write the data to the data reg */
+ ql_write32(qdev, PROC_DATA, data);
+ /* trigger the write */
+ ql_write32(qdev, PROC_ADDR, reg);
+ /* wait for reg to come ready */
+ status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
+ if (status)
+ goto exit;
+exit:
+ return status;
+}
+
+int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
+{
+ int status;
+ status = ql_write_mpi_reg(qdev, 0x00001010, 1);
+ return status;
+}
+
static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
{
int i, status;
@@ -28,7 +54,7 @@ static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
return -EBUSY;
for (i = 0; i < mbcp->out_count; i++) {
status =
- ql_read_mbox_reg(qdev, qdev->mailbox_out + i,
+ ql_read_mpi_reg(qdev, qdev->mailbox_out + i,
&mbcp->mbox_out[i]);
if (status) {
QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n");
@@ -142,9 +168,5 @@ void ql_mpi_reset_work(struct work_struct *work)
{
struct ql_adapter *qdev =
container_of(work, struct ql_adapter, mpi_reset_work.work);
- QPRINTK(qdev, DRV, ERR,
- "Enter, qdev = %p..\n", qdev);
- ql_write32(qdev, CSR, CSR_CMD_SET_RST);
- msleep(50);
- ql_write32(qdev, CSR, CSR_CMD_CLR_RST);
+ ql_soft_reset_mpi_risc(qdev);
}