[xen staging] drivers/char: remove outdated comment in xhci driver

[patchbot@xxxxxxx]

commit d012a19845bb988064f47470954b793632c7a3c6
Author:     Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
AuthorDate: Wed Jun 11 11:04:44 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 11 11:04:44 2025 +0200

    drivers/char: remove outdated comment in xhci driver
    
    The input handling is already implemented, and that limitation is not
    there anymore.
    
    Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/drivers/char/xhci-dbc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/xen/drivers/char/xhci-dbc.c b/xen/drivers/char/xhci-dbc.c
index c45e4b6825..d011159d18 100644
--- a/xen/drivers/char/xhci-dbc.c
+++ b/xen/drivers/char/xhci-dbc.c
@@ -654,10 +654,6 @@ static void dbc_rx_trb(struct dbc *dbc, struct xhci_trb 
*trb,
         cache_flush(&ring->buf[start], end - start);
 }
 
-/*
- * Note that if IN transfer support is added, then this
- * will need to be changed; it assumes an OUT transfer ring only
- */
 static void dbc_pop_events(struct dbc *dbc)
 {
     struct dbc_reg *reg = dbc->dbc_reg;
--
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