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authorMarc Kleine-Budde <mkl@pengutronix.de>2014-01-06 10:10:38 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-07 16:21:06 -0800
commit21395a1aac7ce1e19dbb43542a9e06cca2bfca01 (patch)
tree23348c191684e158cd314e9aaea5eea8ac254452 /drivers/usb
parent2627cb08129d7fa152f97dd0732736fb2df516ee (diff)
downloadlinux-21395a1aac7ce1e19dbb43542a9e06cca2bfca01.tar.bz2
usb: chipidea: move malloced regmap directly into struct hw_bank
Without this patch a seperate chunk of memory is allocated for the regmap array. As the regmap is always used it makes no sense to allocate a seperate memory block for it, this patch moves the regmap array directly into the struct hw_bank. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/chipidea/ci.h63
-rw-r--r--drivers/usb/chipidea/core.c8
2 files changed, 30 insertions, 41 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 1c94fc5257f4..a71dc1c89aa2 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -26,6 +26,35 @@
#define ENDPT_MAX 32
/******************************************************************************
+ * REGISTERS
+ *****************************************************************************/
+/* register indices */
+enum ci_hw_regs {
+ CAP_CAPLENGTH,
+ CAP_HCCPARAMS,
+ CAP_DCCPARAMS,
+ CAP_TESTMODE,
+ CAP_LAST = CAP_TESTMODE,
+ OP_USBCMD,
+ OP_USBSTS,
+ OP_USBINTR,
+ OP_DEVICEADDR,
+ OP_ENDPTLISTADDR,
+ OP_PORTSC,
+ OP_DEVLC,
+ OP_OTGSC,
+ OP_USBMODE,
+ OP_ENDPTSETUPSTAT,
+ OP_ENDPTPRIME,
+ OP_ENDPTFLUSH,
+ OP_ENDPTSTAT,
+ OP_ENDPTCOMPLETE,
+ OP_ENDPTCTRL,
+ /* endptctrl1..15 follow */
+ OP_LAST = OP_ENDPTCTRL + ENDPT_MAX / 2,
+};
+
+/******************************************************************************
* STRUCTURES
*****************************************************************************/
/**
@@ -98,7 +127,7 @@ struct hw_bank {
void __iomem *cap;
void __iomem *op;
size_t size;
- void __iomem **regmap;
+ void __iomem *regmap[OP_LAST + 1];
};
/**
@@ -209,38 +238,6 @@ static inline void ci_role_stop(struct ci_hdrc *ci)
ci->roles[role]->stop(ci);
}
-/******************************************************************************
- * REGISTERS
- *****************************************************************************/
-/* register size */
-#define REG_BITS (32)
-
-/* register indices */
-enum ci_hw_regs {
- CAP_CAPLENGTH,
- CAP_HCCPARAMS,
- CAP_DCCPARAMS,
- CAP_TESTMODE,
- CAP_LAST = CAP_TESTMODE,
- OP_USBCMD,
- OP_USBSTS,
- OP_USBINTR,
- OP_DEVICEADDR,
- OP_ENDPTLISTADDR,
- OP_PORTSC,
- OP_DEVLC,
- OP_OTGSC,
- OP_USBMODE,
- OP_ENDPTSETUPSTAT,
- OP_ENDPTPRIME,
- OP_ENDPTFLUSH,
- OP_ENDPTSTAT,
- OP_ENDPTCOMPLETE,
- OP_ENDPTCTRL,
- /* endptctrl1..15 follow */
- OP_LAST = OP_ENDPTCTRL + ENDPT_MAX / 2,
-};
-
/**
* hw_read: reads from a hw register
* @reg: register index
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 9a5ef205cffd..b9385c1034ac 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -123,13 +123,6 @@ static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)
{
int i;
- kfree(ci->hw_bank.regmap);
-
- ci->hw_bank.regmap = kzalloc((OP_LAST + 1) * sizeof(void *),
- GFP_KERNEL);
- if (!ci->hw_bank.regmap)
- return -ENOMEM;
-
for (i = 0; i < OP_ENDPTCTRL; i++)
ci->hw_bank.regmap[i] =
(i <= CAP_LAST ? ci->hw_bank.cap : ci->hw_bank.op) +
@@ -681,7 +674,6 @@ static int ci_hdrc_remove(struct platform_device *pdev)
ci_role_destroy(ci);
ci_hdrc_enter_lpm(ci, true);
ci_usb_phy_destroy(ci);
- kfree(ci->hw_bank.regmap);
return 0;
}