diff options
| author | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2022-02-20 06:17:41 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-02-23 05:31:16 +0300 |
| commit | d2ed913b9a42e8f9072e4ef836727ff50eb8b8cc (patch) | |
| tree | 9ba2833de498fcd276016185142bed645dd59d32 /drivers/scsi/pm8001/pm8001_sas.c | |
| parent | 8454563e4c2aafbfb81a383ab423ea8b9b430a25 (diff) | |
| download | linux-d2ed913b9a42e8f9072e4ef836727ff50eb8b8cc.tar.xz | |
scsi: pm8001: Fix __iomem pointer use in pm8001_phy_control()
Avoid the sparse warning "warning: cast removes address space '__iomem' of
expression" by declaring the qp pointer as "u32 __iomem *". Accordingly,
change the accesses to the qp array to use readl().
Link: https://lore.kernel.org/r/20220220031810.738362-3-damien.lemoal@opensource.wdc.com
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_sas.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 828d719afa1b..f5678be4c17b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -234,14 +234,13 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, } { struct sas_phy *phy = sas_phy->phy; - uint32_t *qp = (uint32_t *)(((char *) - pm8001_ha->io_mem[2].memvirtaddr) - + 0x1034 + (0x4000 * (phy_id & 3))); - - phy->invalid_dword_count = qp[0]; - phy->running_disparity_error_count = qp[1]; - phy->loss_of_dword_sync_count = qp[3]; - phy->phy_reset_problem_count = qp[4]; + u32 __iomem *qp = pm8001_ha->io_mem[2].memvirtaddr + + 0x1034 + (0x4000 * (phy_id & 3)); + + phy->invalid_dword_count = readl(qp); + phy->running_disparity_error_count = readl(&qp[1]); + phy->loss_of_dword_sync_count = readl(&qp[3]); + phy->phy_reset_problem_count = readl(&qp[4]); } if (pm8001_ha->chip_id == chip_8001) pm8001_bar4_shift(pm8001_ha, 0); |