From: Jean Tourrilhes <jt@bougret.hpl.hp.com>
To: Jeff Garzik <jgarzik@pobox.com>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: [PATCH 2.5 IrDA] irda-usb endian
Date: Wed, 9 Jul 2003 16:52:45 -0700 [thread overview]
Message-ID: <20030709235245.GH12747@bougret.hpl.hp.com> (raw)
ir254_irda-usb_endian-2.diff :
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
o [FEATURE] Add USB-ID of new device
<Original patch from Jacek Jakubowski>
o [CORRECT] Endianess fixes (for PPC and co.)
diff -u -p linux/drivers/net/irda/irda-usb.d1.c linux/drivers/net/irda/irda-usb.c
--- linux/drivers/net/irda/irda-usb.d1.c Wed Jul 9 15:39:15 2003
+++ linux/drivers/net/irda/irda-usb.c Wed Jul 9 15:40:39 2003
@@ -74,8 +74,10 @@ static struct irda_usb_cb irda_instance[
/* These are the currently known IrDA USB dongles. Add new dongles here */
static struct usb_device_id dongles[] = {
- /* ACTiSYS Corp, ACT-IR2000U FIR-USB Adapter */
+ /* ACTiSYS Corp., ACT-IR2000U FIR-USB Adapter */
{ USB_DEVICE(0x9c4, 0x011), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
+ /* Look like ACTiSYS, Report : IBM Corp., IBM UltraPort IrDA */
+ { USB_DEVICE(0x4428, 0x012), driver_info: IUC_SPEED_BUG | IUC_NO_WINDOW },
/* KC Technology Inc., KC-180 USB IrDA Device */
{ USB_DEVICE(0x50f, 0x180), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
/* Extended Systems, Inc., XTNDAccess IrDA USB (ESI-9685) */
@@ -1123,7 +1125,10 @@ static inline void irda_usb_init_qos(str
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&self->qos);
- self->qos.baud_rate.bits = desc->wBaudRate;
+ /* See spec section 7.2 for meaning.
+ * Values are little endian (as most USB stuff), the IrDA stack
+ * use it in native order (see parameters.c). - Jean II */
+ self->qos.baud_rate.bits = le16_to_cpu(desc->wBaudRate);
self->qos.min_turn_time.bits = desc->bmMinTurnaroundTime;
self->qos.additional_bofs.bits = desc->bmAdditionalBOFs;
self->qos.window_size.bits = desc->bmWindowSize;
@@ -1134,7 +1139,7 @@ static inline void irda_usb_init_qos(str
/* Don't always trust what the dongle tell us */
if(self->capability & IUC_SIR_ONLY)
- self->qos.baud_rate.bits &= 0xff;
+ self->qos.baud_rate.bits &= 0x00ff;
if(self->capability & IUC_SMALL_PKT)
self->qos.data_size.bits = 0x07;
if(self->capability & IUC_NO_WINDOW)
@@ -1327,13 +1332,14 @@ static inline int irda_usb_parse_endpoin
*/
static inline void irda_usb_dump_class_desc(struct irda_class_desc *desc)
{
+ /* Values are little endian */
printk("bLength=%x\n", desc->bLength);
printk("bDescriptorType=%x\n", desc->bDescriptorType);
- printk("bcdSpecRevision=%x\n", desc->bcdSpecRevision);
+ printk("bcdSpecRevision=%x\n", le16_to_cpu(desc->bcdSpecRevision));
printk("bmDataSize=%x\n", desc->bmDataSize);
printk("bmWindowSize=%x\n", desc->bmWindowSize);
printk("bmMinTurnaroundTime=%d\n", desc->bmMinTurnaroundTime);
- printk("wBaudRate=%x\n", desc->wBaudRate);
+ printk("wBaudRate=%x\n", le16_to_cpu(desc->wBaudRate));
printk("bmAdditionalBOFs=%x\n", desc->bmAdditionalBOFs);
printk("bIrdaRateSniff=%x\n", desc->bIrdaRateSniff);
printk("bMaxUnicastList=%x\n", desc->bMaxUnicastList);
reply other threads:[~2003-07-09 23:40 UTC|newest]
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