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usb: cdns3: Adds missing __iomem markers

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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>
This commit is contained in:
Pawel Laszczak 2020-12-15 11:27:09 +01:00 committed by Peter Chen
parent 826a9584d1
commit 6500f30b16
No known key found for this signature in database
GPG key ID: 4859298150D671BB
2 changed files with 12 additions and 12 deletions
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12
drivers/usb/cdns3/core.h
View file

@ -86,12 +86,12 @@ struct cdns {
struct resource xhci_res[CDNS_XHCI_RESOURCES_NUM];
struct cdns3_usb_regs __iomem *dev_regs;
struct resource otg_res;
struct cdns3_otg_legacy_regs *otg_v0_regs;
struct cdns3_otg_regs *otg_v1_regs;
struct cdnsp_otg_regs *otg_cdnsp_regs;
struct cdns_otg_common_regs *otg_regs;
struct cdns_otg_irq_regs *otg_irq_regs;
struct resource otg_res;
struct cdns3_otg_legacy_regs __iomem *otg_v0_regs;
struct cdns3_otg_regs __iomem *otg_v1_regs;
struct cdnsp_otg_regs __iomem *otg_cdnsp_regs;
struct cdns_otg_common_regs __iomem *otg_regs;
struct cdns_otg_irq_regs __iomem *otg_irq_regs;
#define CDNS3_CONTROLLER_V0 0
#define CDNS3_CONTROLLER_V1 1
#define CDNSP_CONTROLLER_V2 2

12
drivers/usb/cdns3/drd.c
View file

@ -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;