usb: xhci: use bus->sysdev for DMA configuration
For xhci-hcd platform device, all the DMA parameters are not
configured properly, notably dma ops for dwc3 devices. So, set
the dma for xhci from sysdev. sysdev is pointing to device that
is known to the system firmware or hardware.
Cc: Baolin Wang <baolin.wang@linaro.org>
Tested-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Tested-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change-Id: I5a909abc30a101dcbd4b8f495a360e8dc46377bc
Git-commit: 4c39d4b949d36faffbc726525b469886cf311d1c
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
[jackp@codeaurora.org: additional fixups to secondary ring functions]
Signed-off-by: Jack Pham <jackp@codeaurora.org>
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index be0a89e..374750f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -586,7 +586,7 @@
unsigned int num_stream_ctxs,
struct xhci_stream_ctx *stream_ctx, dma_addr_t dma)
{
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
size_t size = sizeof(struct xhci_stream_ctx) * num_stream_ctxs;
if (size > MEDIUM_STREAM_ARRAY_SIZE)
@@ -614,7 +614,7 @@
unsigned int num_stream_ctxs, dma_addr_t *dma,
gfp_t mem_flags)
{
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
size_t size = sizeof(struct xhci_stream_ctx) * num_stream_ctxs;
if (size > MEDIUM_STREAM_ARRAY_SIZE)
@@ -1678,7 +1678,7 @@
static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
{
int i;
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
int num_sp = HCS_MAX_SCRATCHPAD(xhci->hcs_params2);
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
@@ -1750,7 +1750,7 @@
{
int num_sp;
int i;
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
if (!xhci->scratchpad)
return;
@@ -1903,7 +1903,7 @@
{
int size;
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
if (intr_num >= xhci->max_interrupters) {
xhci_err(xhci, "invalid secondary interrupter num %d\n",
@@ -1935,7 +1935,7 @@
{
int size;
unsigned int i;
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
/* sec event ring clean up */
for (i = 1; i < xhci->max_interrupters; i++)
@@ -1963,7 +1963,7 @@
void xhci_mem_cleanup(struct xhci_hcd *xhci)
{
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
int i, j, num_ports;
cancel_delayed_work_sync(&xhci->cmd_timer);
@@ -2475,7 +2475,7 @@
u64 val_64;
unsigned int val;
struct xhci_segment *seg;
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
*er = xhci_ring_alloc(xhci, ERST_NUM_SEGS, 1, TYPE_EVENT, 0, flags);
if (!*er)
@@ -2641,7 +2641,7 @@
int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
{
dma_addr_t dma;
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
unsigned int val, val2;
u64 val_64;
u32 page_size, temp;