xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Kods Problēmas Izmaiņu pieprasījumi Darbības Pakotnes Projekti Laidieni Vikivietne Aktivitāte

firewire: Clean up comment style.

Pārlūkot izejas kodu 
Drop filenames from file preamble, drop editor annotations and
use standard indent style for block comments.

Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed typo)
Šī revīzija ir iekļauta:
Kristian Høgsberg
2007-05-07 20:33:32 -04:00
revīziju iesūtīja Stefan Richter
vecāks e175569c46
revīzija c781c06d11
11 mainīti faili ar 439 papildinājumiem un 253 dzēšanām
Lejupielādēt ielāpa failu Lejupielādēt izmaiņu failu Izvērst visus failus Savērst visus failus

105
drivers/firewire/fw-card.c
Parādīt failu

@@ -1,8 +1,5 @@
/* -*- c-basic-offset: 8 -*-
*
* fw-card.c - card level functions
*
* Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net>
/*
* Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -69,12 +66,14 @@ generate_config_rom (struct fw_card *card, size_t *config_rom_length)
static u32 config_rom[256];
int i, j, length;
/* Initialize contents of config rom buffer. On the OHCI
/*
* Initialize contents of config rom buffer. On the OHCI
* controller, block reads to the config rom accesses the host
* memory, but quadlet read access the hardware bus info block
* registers. That's just crack, but it means we should make
* sure the contents of bus info block in host memory mathces
* the version stored in the OHCI registers. */
* the version stored in the OHCI registers.
*/
memset(config_rom, 0, sizeof config_rom);
config_rom[0] = bib_crc_length(4) | bib_info_length(4) | bib_crc(0);
@@ -143,9 +142,11 @@ fw_core_add_descriptor (struct fw_descriptor *desc)
{
size_t i;
/* Check descriptor is valid; the length of all blocks in the
/*
* Check descriptor is valid; the length of all blocks in the
* descriptor has to add up to exactly the length of the
* block. */
* block.
*/
i = 0;
while (i < desc->length)
i += (desc->data[i] >> 16) + 1;
@@ -228,7 +229,8 @@ fw_card_bm_work(struct work_struct *work)
if (card->bm_generation + 1 == generation ||
(card->bm_generation != generation && grace)) {
/* This first step is to figure out who is IRM and
/*
* This first step is to figure out who is IRM and
* then try to become bus manager. If the IRM is not
* well defined (e.g. does not have an active link
* layer or does not responds to our lock request, we
@@ -236,7 +238,8 @@ fw_card_bm_work(struct work_struct *work)
* In that case, we do a goto into the gap count logic
* so that when we do the reset, we still optimize the
* gap count. That could well save a reset in the
* next generation. */
* next generation.
*/
irm_id = card->irm_node->node_id;
if (!card->irm_node->link_on) {
@@ -260,8 +263,10 @@ fw_card_bm_work(struct work_struct *work)
wait_for_completion(&bmd.done);
if (bmd.rcode == RCODE_GENERATION) {
/* Another bus reset happened. Just return,
* the BM work has been rescheduled. */
/*
* Another bus reset happened. Just return,
* the BM work has been rescheduled.
*/
return;
}
@@ -271,48 +276,62 @@ fw_card_bm_work(struct work_struct *work)
spin_lock_irqsave(&card->lock, flags);
if (bmd.rcode != RCODE_COMPLETE) {
/* The lock request failed, maybe the IRM
/*
* The lock request failed, maybe the IRM
* isn't really IRM capable after all. Let's
* do a bus reset and pick the local node as
* root, and thus, IRM. */
* root, and thus, IRM.
*/
new_root_id = card->local_node->node_id;
fw_notify("BM lock failed, making local node (%02x) root.\n",
new_root_id);
goto pick_me;
}
} else if (card->bm_generation != generation) {
/* OK, we weren't BM in the last generation, and it's
/*
* OK, we weren't BM in the last generation, and it's
* less than 100ms since last bus reset. Reschedule
* this task 100ms from now. */
* this task 100ms from now.
*/
spin_unlock_irqrestore(&card->lock, flags);
schedule_delayed_work(&card->work, DIV_ROUND_UP(HZ, 10));
return;
}
/* We're bus manager for this generation, so next step is to
/*
* We're bus manager for this generation, so next step is to
* make sure we have an active cycle master and do gap count
* optimization. */
* optimization.
*/
card->bm_generation = generation;
if (root == NULL) {
/* Either link_on is false, or we failed to read the
* config rom. In either case, pick another root. */
/*
* Either link_on is false, or we failed to read the
* config rom. In either case, pick another root.
*/
new_root_id = card->local_node->node_id;
} else if (atomic_read(&root->state) != FW_DEVICE_RUNNING) {
/* If we haven't probed this device yet, bail out now
* and let's try again once that's done. */
/*
* If we haven't probed this device yet, bail out now
* and let's try again once that's done.
*/
spin_unlock_irqrestore(&card->lock, flags);
return;
} else if (root->config_rom[2] & bib_cmc) {
/* FIXME: I suppose we should set the cmstr bit in the
/*
* FIXME: I suppose we should set the cmstr bit in the
* STATE_CLEAR register of this node, as described in
* 1394-1995, 8.4.2.6. Also, send out a force root
* packet for this node. */
* packet for this node.
*/
new_root_id = root_id;
} else {
/* Current root has an active link layer and we
/*
* Current root has an active link layer and we
* successfully read the config rom, but it's not
* cycle master capable. */
* cycle master capable.
*/
new_root_id = card->local_node->node_id;
}
@@ -324,9 +343,11 @@ fw_card_bm_work(struct work_struct *work)
else
gap_count = 63;
/* Finally, figure out if we should do a reset or not. If we've
/*
* Finally, figure out if we should do a reset or not. If we've
* done less that 5 resets with the same physical topology and we
* have either a new root or a new gap count setting, let's do it. */
* have either a new root or a new gap count setting, let's do it.
*/
if (card->bm_retries++ < 5 &&
(card->gap_count != gap_count || new_root_id != root_id))
@@ -391,8 +412,10 @@ fw_card_add(struct fw_card *card,
PHY_LINK_ACTIVE | PHY_CONTENDER) < 0)
return -EIO;
/* The subsystem grabs a reference when the card is added and
* drops it when the driver calls fw_core_remove_card. */
/*
* The subsystem grabs a reference when the card is added and
* drops it when the driver calls fw_core_remove_card.
*/
fw_card_get(card);
down_write(&card_rwsem);
@@ -405,11 +428,13 @@ fw_card_add(struct fw_card *card,
EXPORT_SYMBOL(fw_card_add);
/* The next few functions implements a dummy driver that use once a
/*
* The next few functions implements a dummy driver that use once a
* card driver shuts down an fw_card. This allows the driver to
* cleanly unload, as all IO to the card will be handled by the dummy
* driver instead of calling into the (possibly) unloaded module. The
* dummy driver just fails all IO. */
* dummy driver just fails all IO.
*/
static int
dummy_enable(struct fw_card *card, u32 *config_rom, size_t length)
@@ -429,8 +454,10 @@ static int
dummy_set_config_rom(struct fw_card *card,
u32 *config_rom, size_t length)
{
/* We take the card out of card_list before setting the dummy
* driver, so this should never get called. */
/*
* We take the card out of card_list before setting the dummy
* driver, so this should never get called.
*/
BUG();
return -1;
}
@@ -510,9 +537,11 @@ release_card(struct kref *kref)
kfree(card);
}
/* An assumption for fw_card_put() is that the card driver allocates
/*
* An assumption for fw_card_put() is that the card driver allocates
* the fw_card struct with kalloc and that it has been shut down
* before the last ref is dropped. */
* before the last ref is dropped.
*/
void
fw_card_put(struct fw_card *card)
{
@@ -524,8 +553,6 @@ int
fw_core_initiate_bus_reset(struct fw_card *card, int short_reset)
{
int reg = short_reset ? 5 : 1;
/* The following values happen to be the same bit. However be
* explicit for clarity. */
int bit = short_reset ? PHY_BUS_SHORT_RESET : PHY_BUS_RESET;
return card->driver->update_phy_reg(card, reg, 0, bit);