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authorPeter Chen <peter.chen@nxp.com>2017-03-13 05:18:45 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-23 10:20:21 +0300
commit8b373ffc797713337f42f0e58d832d5cae86752c (patch)
tree4aea6ffe9ce7d28e0e61f16f946446d2d377b2d8 /drivers/usb/host/ehci-mem.c
parent4c39d4b949d36faffbc726525b469886cf311d1c (diff)
downloadlinux-8b373ffc797713337f42f0e58d832d5cae86752c.tar.xz
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@arndb.de> Cc: Sriram Dash <sriram.dash@nxp.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-mem.c')
-rw-r--r--drivers/usb/host/ehci-mem.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 4de43011df23..9b7e63977215 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -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;
@@ -155,7 +155,7 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
/* QTDs for control/bulk/intr transfers */
ehci->qtd_pool = dma_pool_create ("ehci_qtd",
- ehci_to_hcd(ehci)->self.controller,
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof (struct ehci_qtd),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -165,7 +165,7 @@ 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_to_hcd(ehci)->self.sysdev,
sizeof(struct ehci_qh_hw),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -179,7 +179,7 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
/* ITD for high speed ISO transfers */
ehci->itd_pool = dma_pool_create ("ehci_itd",
- ehci_to_hcd(ehci)->self.controller,
+ ehci_to_hcd(ehci)->self.sysdev,
sizeof (struct ehci_itd),
32 /* byte alignment (for hw parts) */,
4096 /* can't cross 4K */);
@@ -189,7 +189,7 @@ 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_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) {