usb: cdns3: Adds missing __iomem markers
Patch adds missing __iomem markers in core.h file
and makes some changes in drd.c file related with
these markers.
The lack of __iomem has reported by sparse checker
on parsic architecture.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@kernel.org>
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 605a413..fa5318a 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -27,7 +27,7 @@
*/
static int cdns_set_mode(struct cdns *cdns, enum usb_dr_mode mode)
{
- u32 __iomem *override_reg;
+ void __iomem *override_reg;
u32 reg;
switch (mode) {
@@ -406,7 +406,7 @@ int cdns_drd_init(struct cdns *cdns)
cdns->otg_v1_regs = NULL;
cdns->otg_cdnsp_regs = NULL;
cdns->otg_regs = regs;
- cdns->otg_irq_regs = (struct cdns_otg_irq_regs *)
+ cdns->otg_irq_regs = (struct cdns_otg_irq_regs __iomem *)
&cdns->otg_v0_regs->ien;
writel(1, &cdns->otg_v0_regs->simulate);
dev_dbg(cdns->dev, "DRD version v0 (%08x)\n",
@@ -416,14 +416,14 @@ int cdns_drd_init(struct cdns *cdns)
cdns->otg_v1_regs = regs;
cdns->otg_cdnsp_regs = regs;
- cdns->otg_regs = (void *)&cdns->otg_v1_regs->cmd;
+ cdns->otg_regs = (void __iomem *)&cdns->otg_v1_regs->cmd;
- if (cdns->otg_cdnsp_regs->did == OTG_CDNSP_DID) {
- cdns->otg_irq_regs = (struct cdns_otg_irq_regs *)
+ if (readl(&cdns->otg_cdnsp_regs->did) == OTG_CDNSP_DID) {
+ cdns->otg_irq_regs = (struct cdns_otg_irq_regs __iomem *)
&cdns->otg_cdnsp_regs->ien;
cdns->version = CDNSP_CONTROLLER_V2;
} else {
- cdns->otg_irq_regs = (struct cdns_otg_irq_regs *)
+ cdns->otg_irq_regs = (struct cdns_otg_irq_regs __iomem *)
&cdns->otg_v1_regs->ien;
writel(1, &cdns->otg_v1_regs->simulate);
cdns->version = CDNS3_CONTROLLER_V1;