diff options
| author |   akshatzen <akshatzen@google.com> | 2021-01-09 18:08:42 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-01-13 00:02:01 -0500 |
| commit | d71023af4bec0ebccc377bb47beeb1b07e472c36 (patch) | |
| tree | a500d9801fb6cf1fc9576868dc5512fa81932a6b /drivers/scsi/pm8001 | |
| parent | scsi: ufs-qcom: Fix ufs RST_n spec violation (diff) | |
| download | linux-dev-d71023af4bec0ebccc377bb47beeb1b07e472c36.tar.xz linux-dev-d71023af4bec0ebccc377bb47beeb1b07e472c36.zip | |
scsi: pm80xx: Do not busy wait in MPI init check
We do not need to busy wait during mpi_init_check() since it is not being
invoked in atomic context. mpi_init_check() is being called from
pm8001_pci_resume(), pm8001_pci_probe(). Hence we are replacing udelay with
msleep.
Link: https://lore.kernel.org/r/20210109123849.17098-2-Viswas.G@microchip.com
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: akshatzen <akshatzen@google.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
Signed-off-by: Radha Ramachandran <radha@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 6 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.h | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 6772b0924dac..9c4b8b374ab8 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -997,7 +997,7 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha) max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT; } do { - udelay(1); + msleep(FW_READY_INTERVAL); value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET); value &= SPCv_MSGU_CFG_TABLE_UPDATE; } while ((value != 0) && (--max_wait_count)); @@ -1010,9 +1010,9 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha) return -EBUSY; } /* check the MPI-State for initialization upto 100ms*/ - max_wait_count = 100 * 1000;/* 100 msec */ + max_wait_count = 5;/* 100 msec */ do { - udelay(1); + msleep(FW_READY_INTERVAL); gst_len_mpistate = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, GST_GSTLEN_MPIS_OFFSET); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index ec48bc276de6..2b6b52551968 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -220,8 +220,8 @@ #define SAS_DOPNRJT_RTRY_TMO 128 #define SAS_COPNRJT_RTRY_TMO 128 -#define SPCV_DOORBELL_CLEAR_TIMEOUT (30 * 1000 * 1000) /* 30 sec */ -#define SPC_DOORBELL_CLEAR_TIMEOUT (15 * 1000 * 1000) /* 15 sec */ +#define SPCV_DOORBELL_CLEAR_TIMEOUT (30 * 50) /* 30 sec */ +#define SPC_DOORBELL_CLEAR_TIMEOUT (15 * 50) /* 15 sec */ /* Making ORR bigger than IT NEXUS LOSS which is 2000000us = 2 second. |