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Commit 9883a739 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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staging/fwserial: Assume firmware is OHCI-complaint 



Devices which are OHCI v1.0/ v1.1/ v1.2-draft compliant or
RFC 2734 compliant are required by specification to support
max_rec of 8 (512 bytes) or more. Accept reported value.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3b1f3154

drivers/staging/fwserial/fwserial.c

+7 −2
Original line number Diff line number Diff line
@@ -174,10 +174,15 @@ static void dump_profile(struct seq_file *m, struct stats *stats) 
#define dump_profile(m, stats)

#endif



/* Returns the max receive packet size for the given node */

/*

 * Returns the max receive packet size for the given node

 * Devices which are OHCI v1.0/ v1.1/ v1.2-draft or RFC 2734 compliant

 * are required by specification to support max_rec of 8 (512 bytes) or more.

 */

static inline int device_max_receive(struct fw_device *fw_device)

{

	return 1 <<  (clamp_t(int, fw_device->max_rec, 8U, 11U) + 1);

	/* see IEEE 1394-2008 table 8-8 */

	return min(2 << fw_device->max_rec, 4096);

}



static void fwtty_log_tx_error(struct fwtty_port *port, int rcode)