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Petersen" , John Garry , Xiang Chen , Jason Yan , Luo Jiaxing Subject: [PATCH v2 04/24] scsi: pm8001: fix __iomem pointer use in pm8001_phy_control() Date: Fri, 11 Feb 2022 16:36:44 +0900 Message-Id: <20220211073704.963993-5-damien.lemoal@opensource.wdc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211073704.963993-1-damien.lemoal@opensource.wdc.com> References: <20220211073704.963993-1-damien.lemoal@opensource.wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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(). Signed-off-by: Damien Le Moal --- drivers/scsi/pm8001/pm8001_sas.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm800= 1_sas.c index 32edda3e55c6..60a56a18e60a 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 =3D sas_phy->phy; - uint32_t *qp =3D (uint32_t *)(((char *) - pm8001_ha->io_mem[2].memvirtaddr) - + 0x1034 + (0x4000 * (phy_id & 3))); - - phy->invalid_dword_count =3D qp[0]; - phy->running_disparity_error_count =3D qp[1]; - phy->loss_of_dword_sync_count =3D qp[3]; - phy->phy_reset_problem_count =3D qp[4]; + u32 __iomem *qp =3D pm8001_ha->io_mem[2].memvirtaddr + + 0x1034 + (0x4000 * (phy_id & 3)); + + phy->invalid_dword_count =3D readl(qp); + phy->running_disparity_error_count =3D readl(&qp[1]); + phy->loss_of_dword_sync_count =3D readl(&qp[3]); + phy->phy_reset_problem_count =3D readl(&qp[4]); } if (pm8001_ha->chip_id =3D=3D chip_8001) pm8001_bar4_shift(pm8001_ha, 0); --=20 2.34.1