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[01/11] isdn/gigaset: adjust usb_gigaset tty write buffer limit

Message ID 20100705-patch-gigaset-01.tilman@imap.cc
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Tilman Schmidt July 6, 2010, 12:18 a.m. UTC
The usb_gigaset driver's write buffer limit was different from those
of the others for no good reason. Set it to the same value, derived
from the Siemens documentation.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
---
 drivers/isdn/gigaset/usb-gigaset.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 76dbb20..f65cf7d 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -39,7 +39,8 @@  MODULE_PARM_DESC(cidmode, "Call-ID mode");
 #define GIGASET_MODULENAME "usb_gigaset"
 #define GIGASET_DEVNAME    "ttyGU"
 
-#define IF_WRITEBUF 2000	/* arbitrary limit */
+/* length limit according to Siemens 3070usb-protokoll.doc ch. 2.1 */
+#define IF_WRITEBUF 264
 
 /* Values for the Gigaset M105 Data */
 #define USB_M105_VENDOR_ID	0x0681