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| author | Peter Chen <peter.chen@nxp.com> | 2020-03-26 10:53:57 +0300 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2020-03-30 09:42:34 +0300 |
| commit | 80990f3fdc0a9e7cf9c86f13ce6ab89a616c3551 (patch) | |
| tree | 07c44d83690267d5dfe3738fdc1dfa37859582da /drivers/usb/chipidea/core.c | |
| parent | 5de131d2134910d326fe6d6e882e88e9c6da2c71 (diff) | |
| download | linux-80990f3fdc0a9e7cf9c86f13ce6ab89a616c3551.tar.xz | |
usb: chipidea: core: refine the description for this driver
Some descriptions are outdated, update them.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb/chipidea/core.c')
| -rw-r--r-- | drivers/usb/chipidea/core.c | 40 |
1 files changed, 7 insertions, 33 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index ae0bdc036464..12971c96c19e 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -3,42 +3,16 @@ * core.c - ChipIdea USB IP core family device controller * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2020 NXP * * Author: David Lopo - */ - -/* - * Description: ChipIdea USB IP core family device controller - * - * This driver is composed of several blocks: - * - HW: hardware interface - * - DBG: debug facilities (optional) - * - UTIL: utilities - * - ISR: interrupts handling - * - ENDPT: endpoint operations (Gadget API) - * - GADGET: gadget operations (Gadget API) - * - BUS: bus glue code, bus abstraction layer - * - * Compile Options - * - STALL_IN: non-empty bulk-in pipes cannot be halted - * if defined mass storage compliance succeeds but with warnings - * => case 4: Hi > Dn - * => case 5: Hi > Di - * => case 8: Hi <> Do - * if undefined usbtest 13 fails - * - TRACE: enable function tracing (depends on DEBUG) - * - * Main Features - * - Chapter 9 & Mass Storage Compliance with Gadget File Storage - * - Chapter 9 Compliance with Gadget Zero (STALL_IN undefined) - * - Normal & LPM support - * - * USBTEST Report - * - OK: 0-12, 13 (STALL_IN defined) & 14 - * - Not Supported: 15 & 16 (ISO) + * Peter Chen <peter.chen@nxp.com> * - * TODO List - * - Suspend & Remote Wakeup + * Main Features: + * - Four transfers are supported, usbtest is passed + * - USB Certification for gadget: CH9 and Mass Storage are passed + * - Low power mode + * - USB wakeup */ #include <linux/delay.h> #include <linux/device.h> |