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Subject[PATCH] usb driver min max cleanup
Hi,

Here's a patch against 2.4.10-pre8 that converts most of the usb drivers
from min_t() and max_t() to min() and max().

Thanks,

greg k-h
(temporary usb maintainer)


diff -Nru a/drivers/usb/bluetooth.c b/drivers/usb/bluetooth.c
--- a/drivers/usb/bluetooth.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/bluetooth.c Mon Sep 10 19:47:07 2001
@@ -518,7 +518,7 @@
}


- buffer_size = min_t (int, count, bluetooth->bulk_out_buffer_size);
+ buffer_size = min (count, bluetooth->bulk_out_buffer_size);
memcpy (urb->transfer_buffer, current_position, buffer_size);

/* build up our urb */
diff -Nru a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
--- a/drivers/usb/serial/digi_acceleport.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/digi_acceleport.c Mon Sep 10 19:47:07 2001
@@ -670,7 +670,7 @@
}

/* len must be a multiple of 4, so commands are not split */
- len = min_t(int, count, oob_port->bulk_out_size );
+ len = min(count, oob_port->bulk_out_size );
if( len > 4 )
len &= ~3;

@@ -747,7 +747,7 @@
/* len must be a multiple of 4 and small enough to */
/* guarantee the write will send buffered data first, */
/* so commands are in order with data and not split */
- len = min_t(int, count, port->bulk_out_size-2-priv->dp_out_buf_len );
+ len = min(count, port->bulk_out_size-2-priv->dp_out_buf_len );
if( len > 4 )
len &= ~3;

@@ -951,7 +951,7 @@
spin_lock_irqsave( &priv->dp_port_lock, flags );

/* send any buffered chars from throttle time on to tty subsystem */
- len = min_t(int, priv->dp_in_buf_len, TTY_FLIPBUF_SIZE - tty->flip.count );
+ len = min(priv->dp_in_buf_len, TTY_FLIPBUF_SIZE - tty->flip.count );
if( len > 0 ) {
memcpy( tty->flip.char_buf_ptr, priv->dp_in_buf, len );
memcpy( tty->flip.flag_buf_ptr, priv->dp_in_flag_buf, len );
@@ -1272,7 +1272,8 @@
priv->dp_port_num, count, from_user, in_interrupt() );

/* copy user data (which can sleep) before getting spin lock */
- count = min_t(int, 64, min_t(int, count, port->bulk_out_size-2 ) );
+ count = min( count, port->bulk_out_size-2 );
+ count = min( 64, count);
if( from_user && copy_from_user( user_buf, buf, count ) ) {
return( -EFAULT );
}
@@ -1303,7 +1304,7 @@

/* allow space for any buffered data and for new data, up to */
/* transfer buffer size - 2 (for command and length bytes) */
- new_len = min_t(int, count, port->bulk_out_size-2-priv->dp_out_buf_len );
+ new_len = min(count, port->bulk_out_size-2-priv->dp_out_buf_len);
data_len = new_len + priv->dp_out_buf_len;

if( data_len == 0 ) {
@@ -1929,7 +1930,7 @@

if( throttled ) {

- len = min_t( int, len,
+ len = min( len,
DIGI_IN_BUF_SIZE - priv->dp_in_buf_len );

if( len > 0 ) {
@@ -1942,7 +1943,7 @@

} else {

- len = min_t( int, len, TTY_FLIPBUF_SIZE - tty->flip.count );
+ len = min( len, TTY_FLIPBUF_SIZE - tty->flip.count );

if( len > 0 ) {
memcpy( tty->flip.char_buf_ptr, data, len );
diff -Nru a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
--- a/drivers/usb/serial/empeg.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/empeg.c Mon Sep 10 19:47:07 2001
@@ -276,7 +276,7 @@
}
}

- transfer_size = min_t (int, count, URB_TRANSFER_BUFFER_SIZE);
+ transfer_size = min (count, URB_TRANSFER_BUFFER_SIZE);

if (from_user) {
if (copy_from_user (urb->transfer_buffer, current_position, transfer_size)) {
diff -Nru a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
--- a/drivers/usb/serial/io_edgeport.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/io_edgeport.c Mon Sep 10 19:47:07 2001
@@ -1311,7 +1311,7 @@
fifo = &edge_port->txfifo;

// calculate number of bytes to put in fifo
- copySize = min_t (int, count, (edge_port->txCredits - fifo->count));
+ copySize = min ((unsigned int)count, (edge_port->txCredits - fifo->count));

dbg(__FUNCTION__"(%d) of %d byte(s) Fifo room %d -- will copy %d bytes",
port->number, count, edge_port->txCredits - fifo->count, copySize);
@@ -1329,7 +1329,7 @@
// then copy the reset from the start of the buffer

bytesleft = fifo->size - fifo->head;
- firsthalf = min_t (int, bytesleft, copySize);
+ firsthalf = min (bytesleft, copySize);
dbg (__FUNCTION__" - copy %d bytes of %d into fifo ", firsthalf, bytesleft);

/* now copy our data */
@@ -1454,7 +1454,7 @@

/* now copy our data */
bytesleft = fifo->size - fifo->tail;
- firsthalf = min_t (int, bytesleft, count);
+ firsthalf = min (bytesleft, count);
memcpy(&buffer[2], &fifo->fifo[fifo->tail], firsthalf);
fifo->tail += firsthalf;
fifo->count -= firsthalf;
diff -Nru a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h
--- a/drivers/usb/serial/io_usbvend.h Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/io_usbvend.h Mon Sep 10 19:47:07 2001
@@ -115,7 +115,7 @@

// TxCredits value below which driver won't bother sending (to prevent too many small writes).
// Send only if above 25%
-#define EDGE_FW_GET_TX_CREDITS_SEND_THRESHOLD(InitialCredit) (max_t(int, ((InitialCredit) / 4), EDGE_FW_BULK_MAX_PACKET_SIZE))
+#define EDGE_FW_GET_TX_CREDITS_SEND_THRESHOLD(InitialCredit) (max(((InitialCredit) / 4), EDGE_FW_BULK_MAX_PACKET_SIZE))

#define EDGE_FW_BULK_MAX_PACKET_SIZE 64 // Max Packet Size for Bulk In Endpoint (EP1)
#define EDGE_FW_BULK_READ_BUFFER_SIZE 1024 // Size to use for Bulk reads
diff -Nru a/drivers/usb/serial/usbserial.c b/drivers/usb/serial/usbserial.c
--- a/drivers/usb/serial/usbserial.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/usbserial.c Mon Sep 10 19:47:07 2001
@@ -1259,9 +1259,9 @@

/* initialize some parts of the port structures */
/* we don't use num_ports here cauz some devices have more endpoint pairs than ports */
- max_endpoints = max_t(int, num_bulk_in, num_bulk_out);
- max_endpoints = max_t(int, max_endpoints, num_interrupt_in);
- max_endpoints = max_t(int, max_endpoints, serial->num_ports);
+ max_endpoints = max(num_bulk_in, num_bulk_out);
+ max_endpoints = max(max_endpoints, num_interrupt_in);
+ max_endpoints = max(max_endpoints, (int)serial->num_ports);
dbg (__FUNCTION__ " - setting up %d port structures for this device", max_endpoints);
for (i = 0; i < max_endpoints; ++i) {
port = &serial->port[i];
diff -Nru a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
--- a/drivers/usb/serial/visor.c Mon Sep 10 19:47:07 2001
+++ b/drivers/usb/serial/visor.c Mon Sep 10 19:47:07 2001
@@ -441,7 +441,7 @@
}
}

- transfer_size = min_t (int, count, URB_TRANSFER_BUFFER_SIZE);
+ transfer_size = min (count, URB_TRANSFER_BUFFER_SIZE);
if (from_user) {
if (copy_from_user (urb->transfer_buffer, current_position, transfer_size)) {
bytes_sent = -EFAULT;
-
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