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authorLukas Wunner <lukas@wunner.de>2023-10-19 13:29:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-21 12:38:53 +0200
commitc087fada0a6180ab5b88b11c1776eef02f8d556f (patch)
tree0905056caa55b7091417f3cf96f982975b3389ed /drivers/usb/host/xhci.h
parent08cc5616798d8be5453be16737e1e6ec939b4997 (diff)
downloadlwn-c087fada0a6180ab5b88b11c1776eef02f8d556f.tar.gz
lwn-c087fada0a6180ab5b88b11c1776eef02f8d556f.zip
xhci: Clean up stale comment on ERST_SIZE macro
Commit ebd88cf50729 ("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>
Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index f97896740c3f..1453fcab33d9 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1643,12 +1643,7 @@ 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