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xhci: Clean up stale comment on ERST_SIZE macro

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[ Upstream commit c087fada0a6180ab5b88b11c1776eef02f8d556f ]

Commit ebd88cf507 ("xhci: Remove unused defines for ERST_SIZE and
ERST_ENTRIES") removed the ERST_SIZE macro but retained a code comment
explaining the quantity chosen in the macro.

Remove the code comment as well.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20231019102924.2797346-11-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: bea5892d0ed2 ("xhci: Limit time spent with xHC interrupts disabled during bus resume")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lukas Wunner
2023-10-19 13:29:15 +03:00
committed by Greg Kroah-Hartman
parent f377434945
commit 3f6e8ad65b
1 changed files with 1 additions and 6 deletions
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7
drivers/usb/host/xhci.h
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@@ -1423,12 +1423,7 @@ struct urb_priv {
struct xhci_td td[];
};
/*
* Each segment table entry is 4*32bits long. 1K seems like an ok size:
* (1K bytes * 8bytes/bit) / (4*32 bits) = 64 segment entries in the table,
* meaning 64 ring segments.
* Reasonable limit for number of Event Ring segments (spec allows 32k)
*/
/* Reasonable limit for number of Event Ring segments (spec allows 32k) */
#define ERST_MAX_SEGS 2
/* Poll every 60 seconds */
#define POLL_TIMEOUT 60