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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>
This commit is contained in:
Peter Chen 2017-03-13 10:18:45 +08:00 committed by Greg Kroah-Hartman
parent 4c39d4b949
commit 8b373ffc79
1 changed files with 6 additions and 6 deletions
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12
drivers/usb/host/ehci-mem.c
View File

@ -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) {