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-rw-r--r--drivers/char/sysrq.c1
-rw-r--r--drivers/ide/mips/swarm.c2
-rw-r--r--drivers/md/md.c1
-rw-r--r--drivers/mmc/mmc_block.c104
-rw-r--r--drivers/s390/block/dasd_diag.c2
-rw-r--r--drivers/s390/char/ctrlchar.c2
-rw-r--r--drivers/s390/char/keyboard.c2
-rw-r--r--drivers/s390/char/monwriter.c10
-rw-r--r--drivers/s390/char/sclp.c4
-rw-r--r--drivers/s390/cio/chsc.c25
-rw-r--r--drivers/s390/cio/cio.c6
-rw-r--r--drivers/s390/crypto/ap_bus.c2
-rw-r--r--drivers/s390/net/iucv.c4
-rw-r--r--drivers/usb/host/ohci-q.c2
14 files changed, 134 insertions, 33 deletions
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 4c0e08685705..5f49280779fb 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -38,6 +38,7 @@
#include <linux/irq.h>
#include <asm/ptrace.h>
+#include <asm/irq_regs.h>
/* Whether we react on sysrq keys or just ignore them */
int sysrq_enabled = 1;
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index 66f6064f4640..09c9e7936b0d 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -4,6 +4,7 @@
* Author: Manish Lachwani, mlachwani@mvista.com
* Copyright (C) 2004 MIPS Technologies, Inc. All rights reserved.
* Author: Maciej W. Rozycki <macro@mips.com>
+ * Copyright (c) 2006 Maciej W. Rozycki
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -127,6 +128,7 @@ static int __devinit swarm_ide_probe(struct device *dev)
memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
hwif->irq = hwif->hw.irq;
+ probe_hwif_init(hwif);
dev_set_drvdata(dev, hwif);
return 0;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cb8281605be8..57fa64f93e5f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3849,6 +3849,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
}
clear_bit(In_sync, &rdev->flags);
rdev->desc_nr = -1;
+ rdev->saved_raid_disk = -1;
err = bind_rdev_to_array(rdev, mddev);
if (err)
goto abort_export;
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index c1293f1bda87..f9027c8db792 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -28,6 +28,7 @@
#include <linux/kdev_t.h>
#include <linux/blkdev.h>
#include <linux/mutex.h>
+#include <linux/scatterlist.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -154,6 +155,71 @@ static int mmc_blk_prep_rq(struct mmc_queue *mq, struct request *req)
return stat;
}
+static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
+{
+ int err;
+ u32 blocks;
+
+ struct mmc_request mrq;
+ struct mmc_command cmd;
+ struct mmc_data data;
+ unsigned int timeout_us;
+
+ struct scatterlist sg;
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = MMC_APP_CMD;
+ cmd.arg = card->rca << 16;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+
+ err = mmc_wait_for_cmd(card->host, &cmd, 0);
+ if ((err != MMC_ERR_NONE) || !(cmd.resp[0] & R1_APP_CMD))
+ return (u32)-1;
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = SD_APP_SEND_NUM_WR_BLKS;
+ cmd.arg = 0;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
+
+ memset(&data, 0, sizeof(struct mmc_data));
+
+ data.timeout_ns = card->csd.tacc_ns * 100;
+ data.timeout_clks = card->csd.tacc_clks * 100;
+
+ timeout_us = data.timeout_ns / 1000;
+ timeout_us += data.timeout_clks * 1000 /
+ (card->host->ios.clock / 1000);
+
+ if (timeout_us > 100000) {
+ data.timeout_ns = 100000000;
+ data.timeout_clks = 0;
+ }
+
+ data.blksz = 4;
+ 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, &blocks, 4);
+
+ mmc_wait_for_req(card->host, &mrq);
+
+ if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE)
+ return (u32)-1;
+
+ blocks = ntohl(blocks);
+
+ return blocks;
+}
+
static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
{
struct mmc_blk_data *md = mq->data;
@@ -184,10 +250,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
/*
* If the host doesn't support multiple block writes, force
- * block writes to single block.
+ * block writes to single block. SD cards are excepted from
+ * this rule as they support querying the number of
+ * successfully written sectors.
*/
if (rq_data_dir(req) != READ &&
- !(card->host->caps & MMC_CAP_MULTIWRITE))
+ !(card->host->caps & MMC_CAP_MULTIWRITE) &&
+ !mmc_card_sd(card))
brq.data.blocks = 1;
if (brq.data.blocks > 1) {
@@ -276,24 +345,41 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
return 1;
cmd_err:
- mmc_card_release_host(card);
-
ret = 1;
- /*
- * For writes and where the host claims to support proper
- * error reporting, we first ok the successful blocks.
+ /*
+ * If this is an SD card and we're writing, we can first
+ * mark the known good sectors as ok.
+ *
+ * If the card is not SD, we can still ok written sectors
+ * if the controller can do proper error reporting.
*
* For reads we just fail the entire chunk as that should
* be safe in all cases.
*/
- if (rq_data_dir(req) != READ &&
- (card->host->caps & MMC_CAP_MULTIWRITE)) {
+ if (rq_data_dir(req) != READ && mmc_card_sd(card)) {
+ u32 blocks;
+ unsigned int bytes;
+
+ blocks = mmc_sd_num_wr_blocks(card);
+ if (blocks != (u32)-1) {
+ if (card->csd.write_partial)
+ bytes = blocks << md->block_bits;
+ else
+ bytes = blocks << 9;
+ spin_lock_irq(&md->lock);
+ ret = end_that_request_chunk(req, 1, bytes);
+ spin_unlock_irq(&md->lock);
+ }
+ } else if (rq_data_dir(req) != READ &&
+ (card->host->caps & MMC_CAP_MULTIWRITE)) {
spin_lock_irq(&md->lock);
ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered);
spin_unlock_irq(&md->lock);
}
+ mmc_card_release_host(card);
+
spin_lock_irq(&md->lock);
while (ret) {
ret = end_that_request_chunk(req, 0,
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 222a8a71a5e8..53db58a68617 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -218,7 +218,7 @@ dasd_diag_term_IO(struct dasd_ccw_req * cqr)
/* Handle external interruption. */
static void
-dasd_ext_handler(struct pt_regs *regs, __u16 code)
+dasd_ext_handler(__u16 code)
{
struct dasd_ccw_req *cqr, *next;
struct dasd_device *device;
diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c
index d83eb6358bac..49e9628d9297 100644
--- a/drivers/s390/char/ctrlchar.c
+++ b/drivers/s390/char/ctrlchar.c
@@ -20,7 +20,7 @@ static int ctrlchar_sysrq_key;
static void
ctrlchar_handle_sysrq(void *tty)
{
- handle_sysrq(ctrlchar_sysrq_key, NULL, (struct tty_struct *) tty);
+ handle_sysrq(ctrlchar_sysrq_key, (struct tty_struct *) tty);
}
static DECLARE_WORK(ctrlchar_work, ctrlchar_handle_sysrq, NULL);
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 3be06569180d..e3491a5f5219 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -304,7 +304,7 @@ kbd_keycode(struct kbd_data *kbd, unsigned int keycode)
if (kbd->sysrq) {
if (kbd->sysrq == K(KT_LATIN, '-')) {
kbd->sysrq = 0;
- handle_sysrq(value, NULL, kbd->tty);
+ handle_sysrq(value, kbd->tty);
return;
}
if (value == '-') {
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
index 1e3939aeb8ab..4362ff260244 100644
--- a/drivers/s390/char/monwriter.c
+++ b/drivers/s390/char/monwriter.c
@@ -26,6 +26,7 @@
#define MONWRITE_MAX_DATALEN 4024
static int mon_max_bufs = 255;
+static int mon_buf_count;
struct mon_buf {
struct list_head list;
@@ -40,7 +41,6 @@ struct mon_private {
size_t hdr_to_read;
size_t data_to_read;
struct mon_buf *current_buf;
- int mon_buf_count;
};
/*
@@ -99,13 +99,13 @@ static int monwrite_new_hdr(struct mon_private *monpriv)
rc = monwrite_diag(monhdr, monbuf->data,
APPLDATA_STOP_REC);
list_del(&monbuf->list);
- monpriv->mon_buf_count--;
+ mon_buf_count--;
kfree(monbuf->data);
kfree(monbuf);
monbuf = NULL;
}
} else {
- if (monpriv->mon_buf_count >= mon_max_bufs)
+ if (mon_buf_count >= mon_max_bufs)
return -ENOSPC;
monbuf = kzalloc(sizeof(struct mon_buf), GFP_KERNEL);
if (!monbuf)
@@ -118,7 +118,7 @@ static int monwrite_new_hdr(struct mon_private *monpriv)
}
monbuf->hdr = *monhdr;
list_add_tail(&monbuf->list, &monpriv->list);
- monpriv->mon_buf_count++;
+ mon_buf_count++;
}
monpriv->current_buf = monbuf;
return 0;
@@ -186,7 +186,7 @@ static int monwrite_close(struct inode *inode, struct file *filp)
if (entry->hdr.mon_function != MONWRITE_GEN_EVENT)
monwrite_diag(&entry->hdr, entry->data,
APPLDATA_STOP_REC);
- monpriv->mon_buf_count--;
+ mon_buf_count--;
list_del(&entry->list);
kfree(entry->data);
kfree(entry);
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 31e335751d6d..8a056df09d6b 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -324,7 +324,7 @@ __sclp_find_req(u32 sccb)
* Prepare read event data request if necessary. Start processing of next
* request on queue. */
static void
-sclp_interrupt_handler(struct pt_regs *regs, __u16 code)
+sclp_interrupt_handler(__u16 code)
{
struct sclp_req *req;
u32 finished_sccb;
@@ -743,7 +743,7 @@ EXPORT_SYMBOL(sclp_reactivate);
/* Handler for external interruption used during initialization. Modify
* request state to done. */
static void
-sclp_check_handler(struct pt_regs *regs, __u16 code)
+sclp_check_handler(__u16 code)
{
u32 finished_sccb;
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 3bb4e472d73d..07c7f19339d2 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -200,11 +200,13 @@ css_get_ssd_info(struct subchannel *sch)
spin_unlock_irq(&sch->lock);
free_page((unsigned long)page);
if (!ret) {
- int j, chpid;
+ int j, chpid, mask;
/* Allocate channel path structures, if needed. */
for (j = 0; j < 8; j++) {
+ mask = 0x80 >> j;
chpid = sch->ssd_info.chpid[j];
- if (chpid && (get_chp_status(chpid) < 0))
+ if ((sch->schib.pmcw.pim & mask) &&
+ (get_chp_status(chpid) < 0))
new_channel_path(chpid);
}
}
@@ -222,13 +224,15 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
sch = to_subchannel(dev);
chpid = data;
- for (j = 0; j < 8; j++)
- if (sch->schib.pmcw.chpid[j] == chpid->id)
+ for (j = 0; j < 8; j++) {
+ mask = 0x80 >> j;
+ if ((sch->schib.pmcw.pim & mask) &&
+ (sch->schib.pmcw.chpid[j] == chpid->id))
break;
+ }
if (j >= 8)
return 0;
- mask = 0x80 >> j;
spin_lock_irq(&sch->lock);
stsch(sch->schid, &schib);
@@ -620,7 +624,7 @@ __chp_add_new_sch(struct subchannel_id schid)
static int
__chp_add(struct subchannel_id schid, void *data)
{
- int i;
+ int i, mask;
struct channel_path *chp;
struct subchannel *sch;
@@ -630,8 +634,10 @@ __chp_add(struct subchannel_id schid, void *data)
/* Check if the subchannel is now available. */
return __chp_add_new_sch(schid);
spin_lock_irq(&sch->lock);
- for (i=0; i<8; i++)
- if (sch->schib.pmcw.chpid[i] == chp->id) {
+ for (i=0; i<8; i++) {
+ mask = 0x80 >> i;
+ if ((sch->schib.pmcw.pim & mask) &&
+ (sch->schib.pmcw.chpid[i] == chp->id)) {
if (stsch(sch->schid, &sch->schib) != 0) {
/* Endgame. */
spin_unlock_irq(&sch->lock);
@@ -639,6 +645,7 @@ __chp_add(struct subchannel_id schid, void *data)
}
break;
}
+ }
if (i==8) {
spin_unlock_irq(&sch->lock);
return 0;
@@ -646,7 +653,7 @@ __chp_add(struct subchannel_id schid, void *data)
sch->lpm = ((sch->schib.pmcw.pim &
sch->schib.pmcw.pam &
sch->schib.pmcw.pom)
- | 0x80 >> i) & sch->opm;
+ | mask) & sch->opm;
if (sch->driver && sch->driver->verify)
sch->driver->verify(&sch->dev);
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 2e2882daefbb..f18b1623cad7 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -19,6 +19,7 @@
#include <asm/cio.h>
#include <asm/delay.h>
#include <asm/irq.h>
+#include <asm/irq_regs.h>
#include <asm/setup.h>
#include "airq.h"
#include "cio.h"
@@ -606,15 +607,17 @@ do_IRQ (struct pt_regs *regs)
struct tpi_info *tpi_info;
struct subchannel *sch;
struct irb *irb;
+ struct pt_regs *old_regs;
irq_enter ();
+ old_regs = set_irq_regs(regs);
asm volatile ("mc 0,0");
if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
/**
* Make sure that the i/o interrupt did not "overtake"
* the last HZ timer interrupt.
*/
- account_ticks(regs);
+ account_ticks();
/*
* Get interrupt information from lowcore
*/
@@ -652,6 +655,7 @@ do_IRQ (struct pt_regs *regs)
* out of the sie which costs more cycles than it saves.
*/
} while (!MACHINE_IS_VM && tpi (NULL) != 0);
+ set_irq_regs(old_regs);
irq_exit ();
}
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index cd30f37fceae..c5ccd20b110c 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1062,7 +1062,7 @@ static int ap_poll_thread(void *data)
unsigned long flags;
int requests;
- set_user_nice(current, -20);
+ set_user_nice(current, 19);
while (1) {
if (need_resched()) {
schedule();
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c
index 809dd8d7f47a..1476ce2b437c 100644
--- a/drivers/s390/net/iucv.c
+++ b/drivers/s390/net/iucv.c
@@ -116,7 +116,7 @@ static DEFINE_SPINLOCK(iucv_irq_queue_lock);
*Internal function prototypes
*/
static void iucv_tasklet_handler(unsigned long);
-static void iucv_irq_handler(struct pt_regs *, __u16);
+static void iucv_irq_handler(__u16);
static DECLARE_TASKLET(iucv_tasklet,iucv_tasklet_handler,0);
@@ -2251,7 +2251,7 @@ iucv_sever(__u16 pathid, __u8 user_data[16])
* Places the interrupt buffer on a queue and schedules iucv_tasklet_handler().
*/
static void
-iucv_irq_handler(struct pt_regs *regs, __u16 code)
+iucv_irq_handler(__u16 code)
{
iucv_irqdata *irqdata;
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
index e08d1a2664e6..fe1fe2f97cb5 100644
--- a/drivers/usb/host/ohci-q.c
+++ b/drivers/usb/host/ohci-q.c
@@ -925,7 +925,7 @@ rescan_all:
/* only take off EDs that the HC isn't using, accounting for
* frame counter wraps and EDs with partially retired TDs
*/
- if (likely (get_irq_regs() && HC_IS_RUNNING(ohci_to_hcd(ohci)->state))) {
+ if (likely (HC_IS_RUNNING(ohci_to_hcd(ohci)->state))) {
if (tick_before (tick, ed->tick)) {
skip_ed:
last = &ed->ed_next;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-24 20:24:25 +0300