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Date: Mon, 6 Feb 2017 17:13:39 +0800
From: Peter Chen <peter.chen@....com>
To: <gregkh@...uxfoundation.org>, <stern@...land.harvard.edu>,
<ulf.hansson@...aro.org>, <broonie@...nel.org>, <sre@...nel.org>,
<robh+dt@...nel.org>, <shawnguo@...nel.org>, <rjw@...ysocki.net>,
<dbaryshkov@...il.com>
CC: <heiko@...ech.de>, <linux-arm-kernel@...ts.infradead.org>,
<p.zabel@...gutronix.de>, <devicetree@...r.kernel.org>,
<pawel.moll@....com>, <mark.rutland@....com>,
<linux-usb@...r.kernel.org>, <arnd@...db.de>,
<s.hauer@...gutronix.de>, <mail@...iej.szmigiero.name>,
<troy.kisky@...ndarydevices.com>, <festevam@...il.com>,
<oscar@...andei.net>, <stephen.boyd@...aro.org>,
<linux-pm@...r.kernel.org>, <stillcompiling@...il.com>,
<linux-kernel@...r.kernel.org>, <mka@...omium.org>,
<vaibhav.hiremath@...aro.org>, <gary.bisson@...ndarydevices.com>,
<hverkuil@...all.nl>, <krzk@...nel.org>,
Peter Chen <peter.chen@....com>,
Sriram Dash <sriram.dash@....com>
Subject: [PATCH v12 7/9] usb: ehci: use bus->sysdev for DMA configuration
Set the dma for ehci from sysdev. The sysdev is pointing to device that
is known to the system firmware or hardware.
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Sriram Dash <sriram.dash@....com>
Signed-off-by: Peter Chen <peter.chen@....com>
---
drivers/usb/host/ehci-mem.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 4de4301..f54478d 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -46,21 +46,21 @@ static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd,
INIT_LIST_HEAD (&qtd->qtd_list);
}
-static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags)
+static struct ehci_qtd *ehci_qtd_alloc(struct ehci_hcd *ehci, gfp_t flags)
{
struct ehci_qtd *qtd;
dma_addr_t dma;
- qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma);
+ qtd = dma_pool_alloc(ehci->qtd_pool, flags, &dma);
if (qtd != NULL) {
ehci_qtd_init(ehci, qtd, dma);
}
return qtd;
}
-static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd)
+static inline void ehci_qtd_free(struct ehci_hcd *ehci, struct ehci_qtd *qtd)
{
- dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma);
+ dma_pool_free(ehci->qtd_pool, qtd, qtd->qtd_dma);
}
@@ -72,12 +72,12 @@ static void qh_destroy(struct ehci_hcd *ehci, struct ehci_qh *qh)
BUG ();
}
if (qh->dummy)
- ehci_qtd_free (ehci, qh->dummy);
+ ehci_qtd_free(ehci, qh->dummy);
dma_pool_free(ehci->qh_pool, qh->hw, qh->qh_dma);
kfree(qh);
}
-static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)
+static struct ehci_qh *ehci_qh_alloc(struct ehci_hcd *ehci, gfp_t flags)
{
struct ehci_qh *qh;
dma_addr_t dma;
@@ -96,7 +96,7 @@ static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)
INIT_LIST_HEAD(&qh->unlink_node);
/* dummy td enables safe urb queuing */
- qh->dummy = ehci_qtd_alloc (ehci, flags);
+ qh->dummy = ehci_qtd_alloc(ehci, flags);
if (qh->dummy == NULL) {
ehci_dbg (ehci, "no dummy td\n");
goto fail1;
@@ -117,7 +117,7 @@ static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)
* This is the initialisation and cleanup code.
*/
-static void ehci_mem_cleanup (struct ehci_hcd *ehci)
+static void ehci_mem_cleanup(struct ehci_hcd *ehci)
{
if (ehci->async)
qh_destroy(ehci, ehci->async);
@@ -138,7 +138,7 @@ static void ehci_mem_cleanup (struct ehci_hcd *ehci)
ehci->sitd_pool = NULL;
if (ehci->periodic)
- dma_free_coherent (ehci_to_hcd(ehci)->self.controller,
+ dma_free_coherent(ehci_to_hcd(ehci)->self.sysdev,
ehci->periodic_size * sizeof (u32),
ehci->periodic, ehci->periodic_dma);
ehci->periodic = NULL;
@@ -154,8 +154,8 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
int i;
/* QTDs for control/bulk/intr transfers */
- ehci->qtd_pool = dma_pool_create ("ehci_qtd",
- ehci_to_hcd(ehci)->self.controller,
+ ehci->qtd_pool = dma_pool_create("ehci_qtd",
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof (struct ehci_qtd),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -164,22 +164,22 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
}
/* QHs for control/bulk/intr transfers */
- ehci->qh_pool = dma_pool_create ("ehci_qh",
- ehci_to_hcd(ehci)->self.controller,
+ ehci->qh_pool = dma_pool_create("ehci_qh",
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof(struct ehci_qh_hw),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
if (!ehci->qh_pool) {
goto fail;
}
- ehci->async = ehci_qh_alloc (ehci, flags);
+ ehci->async = ehci_qh_alloc(ehci, flags);
if (!ehci->async) {
goto fail;
}
/* ITD for high speed ISO transfers */
- ehci->itd_pool = dma_pool_create ("ehci_itd",
- ehci_to_hcd(ehci)->self.controller,
+ ehci->itd_pool = dma_pool_create("ehci_itd",
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof (struct ehci_itd),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -188,8 +188,8 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
}
/* SITD for full/low speed split ISO transfers */
- ehci->sitd_pool = dma_pool_create ("ehci_sitd",
- ehci_to_hcd(ehci)->self.controller,
+ ehci->sitd_pool = dma_pool_create("ehci_sitd",
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof (struct ehci_sitd),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -199,7 +199,7 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
/* Hardware periodic table */
ehci->periodic = (__le32 *)
- dma_alloc_coherent (ehci_to_hcd(ehci)->self.controller,
+ dma_alloc_coherent(ehci_to_hcd(ehci)->self.sysdev,
ehci->periodic_size * sizeof(__le32),
&ehci->periodic_dma, flags);
if (ehci->periodic == NULL) {
--
2.7.4
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