xhci: dbc: Remove dbc_dma_free_coherent() wrapper

dbc_dma_free_coherent() takes struct xhci_hcd pointer as a parameter, but
does nothing more than calls dma_free_coherent().
Remove it and call dma_free_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/20200723144530.9992-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index e8a2cbd..5bec36e 100644 (file)
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -14,15 +14,6 @@
 #include "xhci-trace.h"
 #include "xhci-dbgcap.h"
 
-static inline void
-dbc_dma_free_coherent(struct xhci_hcd *xhci, size_t size,
-                     void *cpu_addr, dma_addr_t dma_handle)
-{
-       if (cpu_addr)
-               dma_free_coherent(xhci_to_hcd(xhci)->self.sysdev,
-                                 size, cpu_addr, dma_handle);
-}
-
 static u32 xhci_dbc_populate_strings(struct dbc_str_descs *strings)
 {
        struct usb_string_descriptor    *s_desc;
@@ -465,9 +456,8 @@ static void xhci_dbc_mem_cleanup(struct xhci_hcd *xhci)
        xhci_dbc_eps_exit(xhci);
 
        if (dbc->string) {
-               dbc_dma_free_coherent(xhci,
-                                     dbc->string_size,
-                                     dbc->string, dbc->string_dma);
+               dma_free_coherent(dbc->dev, dbc->string_size,
+                                 dbc->string, dbc->string_dma);
                dbc->string = NULL;
        }