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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Browse Source 
Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2006-12-05 14:37:56 +00:00
committed by David Howells
parent c4028958b6 d916faace3
commit 4c1ac1b491
1476 changed files with 67646 additions and 41035 deletions
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294
drivers/mmc/mmc.c
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@ -4,6 +4,7 @@
* Copyright (C) 2003-2004 Russell King, All Rights Reserved.
* SD support Copyright (C) 2004 Ian Molton, All Rights Reserved.
* SD support Copyright (C) 2005 Pierre Ossman, All Rights Reserved.
* MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -396,23 +397,23 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
return err;
/*
* Default bus width is 1 bit.
*/
host->ios.bus_width = MMC_BUS_WIDTH_1;
/*
* We can only change the bus width of the selected
* card so therefore we have to put the handling
* We can only change the bus width of SD cards when
* they are selected so we have to put the handling
* here.
*
* The card is in 1 bit mode by default so
* we only need to change if it supports the
* wider version.
*/
if (host->caps & MMC_CAP_4_BIT_DATA) {
if (mmc_card_sd(card) &&
(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
/*
* The card is in 1 bit mode by default so
* we only need to change if it supports the
* wider version.
*/
if (mmc_card_sd(card) &&
(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
* Default bus width is 1 bit.
*/
host->ios.bus_width = MMC_BUS_WIDTH_1;
if (host->caps & MMC_CAP_4_BIT_DATA) {
struct mmc_command cmd;
cmd.opcode = SD_APP_SET_BUS_WIDTH;
cmd.arg = SD_BUS_WIDTH_4;
@ -453,11 +454,11 @@ static void mmc_deselect_cards(struct mmc_host *host)
static inline void mmc_delay(unsigned int ms)
{
if (ms < HZ / 1000) {
yield();
if (ms < 1000 / HZ) {
cond_resched();
mdelay(ms);
} else {
msleep_interruptible (ms);
msleep(ms);
}
}
@ -953,6 +954,137 @@ static void mmc_read_csds(struct mmc_host *host)
}
}
static void mmc_process_ext_csds(struct mmc_host *host)
{
int err;
struct mmc_card *card;
struct mmc_request mrq;
struct mmc_command cmd;
struct mmc_data data;
struct scatterlist sg;
/*
* As the ext_csd is so large and mostly unused, we don't store the
* raw block in mmc_card.
*/
u8 *ext_csd;
ext_csd = kmalloc(512, GFP_KERNEL);
if (!ext_csd) {
printk("%s: could not allocate a buffer to receive the ext_csd."
"mmc v4 cards will be treated as v3.\n",
mmc_hostname(host));
return;
}
list_for_each_entry(card, &host->cards, node) {
if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT))
continue;
if (mmc_card_sd(card))
continue;
if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
continue;
err = mmc_select_card(host, card);
if (err != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_SEND_EXT_CSD;
cmd.arg = 0;
cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
memset(&data, 0, sizeof(struct mmc_data));
mmc_set_data_timeout(&data, card, 0);
data.blksz = 512;
data.blocks = 1;
data.flags = MMC_DATA_READ;
data.sg = &sg;
data.sg_len = 1;
memset(&mrq, 0, sizeof(struct mmc_request));
mrq.cmd = &cmd;
mrq.data = &data;
sg_init_one(&sg, ext_csd, 512);
mmc_wait_for_req(host, &mrq);
if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}
switch (ext_csd[EXT_CSD_CARD_TYPE]) {
case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26:
card->ext_csd.hs_max_dtr = 52000000;
break;
case EXT_CSD_CARD_TYPE_26:
card->ext_csd.hs_max_dtr = 26000000;
break;
default:
/* MMC v4 spec says this cannot happen */
printk("%s: card is mmc v4 but doesn't support "
"any high-speed modes.\n",
mmc_hostname(card->host));
mmc_card_set_bad(card);
continue;
}
/* Activate highspeed support. */
cmd.opcode = MMC_SWITCH;
cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
(EXT_CSD_HS_TIMING << 16) |
(1 << 8) |
EXT_CSD_CMD_SET_NORMAL;
cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES);
if (err != MMC_ERR_NONE) {
printk("%s: failed to switch card to mmc v4 "
"high-speed mode.\n",
mmc_hostname(card->host));
continue;
}
mmc_card_set_highspeed(card);
/* Check for host support for wide-bus modes. */
if (!(host->caps & MMC_CAP_4_BIT_DATA)) {
continue;
}
/* Activate 4-bit support. */
cmd.opcode = MMC_SWITCH;
cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
(EXT_CSD_BUS_WIDTH << 16) |
(EXT_CSD_BUS_WIDTH_4 << 8) |
EXT_CSD_CMD_SET_NORMAL;
cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES);
if (err != MMC_ERR_NONE) {
printk("%s: failed to switch card to "
"mmc v4 4-bit bus mode.\n",
mmc_hostname(card->host));
continue;
}
host->ios.bus_width = MMC_BUS_WIDTH_4;
}
kfree(ext_csd);
mmc_deselect_cards(host);
}
static void mmc_read_scrs(struct mmc_host *host)
{
int err;
@ -1025,14 +1157,133 @@ static void mmc_read_scrs(struct mmc_host *host)
mmc_deselect_cards(host);
}
static void mmc_read_switch_caps(struct mmc_host *host)
{
int err;
struct mmc_card *card;
struct mmc_request mrq;
struct mmc_command cmd;
struct mmc_data data;
unsigned char *status;
struct scatterlist sg;
status = kmalloc(64, GFP_KERNEL);
if (!status) {
printk(KERN_WARNING "%s: Unable to allocate buffer for "
"reading switch capabilities.\n",
mmc_hostname(host));
return;
}
list_for_each_entry(card, &host->cards, node) {
if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT))
continue;
if (!mmc_card_sd(card))
continue;
if (card->scr.sda_vsn < SCR_SPEC_VER_1)
continue;
err = mmc_select_card(host, card);
if (err != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = SD_SWITCH;
cmd.arg = 0x00FFFFF1;
cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
memset(&data, 0, sizeof(struct mmc_data));
mmc_set_data_timeout(&data, card, 0);
data.blksz = 64;
data.blocks = 1;
data.flags = MMC_DATA_READ;
data.sg = &sg;
data.sg_len = 1;
memset(&mrq, 0, sizeof(struct mmc_request));
mrq.cmd = &cmd;
mrq.data = &data;
sg_init_one(&sg, status, 64);
mmc_wait_for_req(host, &mrq);
if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}
if (status[13] & 0x02)
card->sw_caps.hs_max_dtr = 50000000;
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = SD_SWITCH;
cmd.arg = 0x80FFFFF1;
cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
memset(&data, 0, sizeof(struct mmc_data));
mmc_set_data_timeout(&data, card, 0);
data.blksz = 64;
data.blocks = 1;
data.flags = MMC_DATA_READ;
data.sg = &sg;
data.sg_len = 1;
memset(&mrq, 0, sizeof(struct mmc_request));
mrq.cmd = &cmd;
mrq.data = &data;
sg_init_one(&sg, status, 64);
mmc_wait_for_req(host, &mrq);
if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}
if ((status[16] & 0xF) != 1) {
printk(KERN_WARNING "%s: Problem switching card "
"into high-speed mode!\n",
mmc_hostname(host));
continue;
}
mmc_card_set_highspeed(card);
}
kfree(status);
mmc_deselect_cards(host);
}
static unsigned int mmc_calculate_clock(struct mmc_host *host)
{
struct mmc_card *card;
unsigned int max_dtr = host->f_max;
list_for_each_entry(card, &host->cards, node)
if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
max_dtr = card->csd.max_dtr;
if (!mmc_card_dead(card)) {
if (mmc_card_highspeed(card) && mmc_card_sd(card)) {
if (max_dtr > card->sw_caps.hs_max_dtr)
max_dtr = card->sw_caps.hs_max_dtr;
} else if (mmc_card_highspeed(card) && !mmc_card_sd(card)) {
if (max_dtr > card->ext_csd.hs_max_dtr)
max_dtr = card->ext_csd.hs_max_dtr;
} else if (max_dtr > card->csd.max_dtr) {
max_dtr = card->csd.max_dtr;
}
}
pr_debug("%s: selected %d.%03dMHz transfer rate\n",
mmc_hostname(host),
@ -1150,8 +1401,11 @@ static void mmc_setup(struct mmc_host *host)
mmc_read_csds(host);
if (host->mode == MMC_MODE_SD)
if (host->mode == MMC_MODE_SD) {
mmc_read_scrs(host);
mmc_read_switch_caps(host);
} else
mmc_process_ext_csds(host);
}