diff options
| author |   Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2021-12-20 19:41:36 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-12-23 00:04:21 -0500 |
| commit | a83ec831b24a8142e0871544b19ee5671607588e (patch) | |
| tree | 4333d953c9ec9b22e89ee53a61e4e8db214009ef /drivers/scsi/mpi3mr | |
| parent | scsi: mpi3mr: Add debug APIs based on logging_level bits (diff) | |
| download | wireguard-linux-a83ec831b24a8142e0871544b19ee5671607588e.tar.xz wireguard-linux-a83ec831b24a8142e0871544b19ee5671607588e.zip | |
scsi: mpi3mr: Replace spin_lock() with spin_lock_irqsave()
Use spin_lock_irqsave() instead of spin_lock() while acquiring
reply_free_queue_lock & sbq_lock locks.
Link: https://lore.kernel.org/r/20211220141159.16117-3-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index aa5d877df6f8..61dcacd098f1 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -124,8 +124,9 @@ static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc, u64 reply_dma) { u32 old_idx = 0; + unsigned long flags; - spin_lock(&mrioc->reply_free_queue_lock); + spin_lock_irqsave(&mrioc->reply_free_queue_lock, flags); old_idx = mrioc->reply_free_queue_host_index; mrioc->reply_free_queue_host_index = ( (mrioc->reply_free_queue_host_index == @@ -134,15 +135,16 @@ static void mpi3mr_repost_reply_buf(struct mpi3mr_ioc *mrioc, mrioc->reply_free_q[old_idx] = cpu_to_le64(reply_dma); writel(mrioc->reply_free_queue_host_index, &mrioc->sysif_regs->reply_free_host_index); - spin_unlock(&mrioc->reply_free_queue_lock); + spin_unlock_irqrestore(&mrioc->reply_free_queue_lock, flags); } void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc, u64 sense_buf_dma) { u32 old_idx = 0; + unsigned long flags; - spin_lock(&mrioc->sbq_lock); + spin_lock_irqsave(&mrioc->sbq_lock, flags); old_idx = mrioc->sbq_host_index; mrioc->sbq_host_index = ((mrioc->sbq_host_index == (mrioc->sense_buf_q_sz - 1)) ? 0 : @@ -150,7 +152,7 @@ void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc, mrioc->sense_buf_q[old_idx] = cpu_to_le64(sense_buf_dma); writel(mrioc->sbq_host_index, &mrioc->sysif_regs->sense_buffer_free_host_index); - spin_unlock(&mrioc->sbq_lock); + spin_unlock_irqrestore(&mrioc->sbq_lock, flags); } static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc, |