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| author | Ranjan Kumar <ranjan.kumar@broadcom.com> | 2024-11-10 23:03:40 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-02 10:34:19 +0100 |
| commit | 4524a8d175f03917d57a92853b45af0caa412305 (patch) | |
| tree | 234c1fa0cdf60cb100abbc58811530e8f2f1dc41 /drivers | |
| parent | b34f7381cd10514791235f8d79dff50b13d8ae53 (diff) | |
| download | linux-4524a8d175f03917d57a92853b45af0caa412305.tar.gz linux-4524a8d175f03917d57a92853b45af0caa412305.tar.bz2 linux-4524a8d175f03917d57a92853b45af0caa412305.zip | |
scsi: mpt3sas: Diag-Reset when Doorbell-In-Use bit is set during driver load time
[ Upstream commit 3f5eb062e8aa335643181c480e6c590c6cedfd22 ]
Issue a Diag-Reset when the "Doorbell-In-Use" bit is set during the
driver load/initialization.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110173341.11595-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index ed5046593fda..16ac2267c71e 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -7041,11 +7041,12 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, int i; u8 failed; __le32 *mfp; + int ret_val; /* make sure doorbell is not in use */ if ((ioc->base_readl_ext_retry(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { ioc_err(ioc, "doorbell is in use (line=%d)\n", __LINE__); - return -EFAULT; + goto doorbell_diag_reset; } /* clear pending doorbell interrupts from previous state changes */ @@ -7135,6 +7136,10 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, le32_to_cpu(mfp[i])); } return 0; + +doorbell_diag_reset: + ret_val = _base_diag_reset(ioc); + return ret_val; } /** |