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Message-ID: <20201214125043.29710-1-pawell@cadence.com>
Date: Mon, 14 Dec 2020 13:50:43 +0100
From: Pawel Laszczak <pawell@...ence.com>
To: <peter.chen@....com>
CC: <rogerq@...com>, <a-govindraju@...com>, <nsekhar@...com>,
<gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <kurahul@...ence.com>,
Pawel Laszczak <pawell@...ence.com>
Subject: [PATCH] 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.
Signed-off-by: Pawel Laszczak <pawell@...ence.com>
Reported-by: kernel test robot <lkp@...el.com>
---
drivers/usb/cdns3/core.h | 12 ++++++------
drivers/usb/cdns3/drd.c | 12 ++++++------
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
index f8e350cef699..bfa39795208e 100644
--- a/drivers/usb/cdns3/core.h
+++ b/drivers/usb/cdns3/core.h
@@ -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_reg __iomem *otg_irq_regs;
#define CDNS3_CONTROLLER_V0 0
#define CDNS3_CONTROLLER_V1 1
#define CDNSP_CONTROLLER_V2 2
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 605a413db727..0701853b501c 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;
--
2.17.1
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