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xhci: dbc: Remove dbc_dma_alloc_coherent() wrapper

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dbc_dma_alloc_coherent() takes struct xhci_hcd pointer as an parameter, but
does nothing more than calls dma_alloc_coherent().
Remove it and call dma_alloc_coherent() directly instead.

No functional changes
This change helps decoupling xhci and DbC

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200723144530.9992-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathias Nyman 2020-07-23 17:45:08 +03:00 committed by Greg Kroah-Hartman
parent 0b832e9974
commit c9dd94385d
1 changed files with 2 additions and 15 deletions
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17
drivers/usb/host/xhci-dbgcap.c
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@ -14,17 +14,6 @@
#include "xhci-trace.h"
#include "xhci-dbgcap.h"
static inline void *
dbc_dma_alloc_coherent(struct xhci_hcd *xhci, size_t size,
dma_addr_t *dma_handle, gfp_t flags)
{
void *vaddr;
vaddr = dma_alloc_coherent(xhci_to_hcd(xhci)->self.sysdev,
size, dma_handle, flags);
return vaddr;
}
static inline void
dbc_dma_free_coherent(struct xhci_hcd *xhci, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
@ -426,10 +415,8 @@ static int xhci_dbc_mem_init(struct xhci_hcd *xhci, gfp_t flags)
/* Allocate the string table: */
dbc->string_size = sizeof(struct dbc_str_descs);
dbc->string = dbc_dma_alloc_coherent(xhci,
dbc->string_size,
&dbc->string_dma,
flags);
dbc->string = dma_alloc_coherent(dev, dbc->string_size,
&dbc->string_dma, flags);
if (!dbc->string)
goto string_fail;