kernel: update 4.1 to 4.1.4

Changelog:
 * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[jogo: fix brcm2708 patches, refresh target patches]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46560
This commit is contained in:
Jonas Gorski
2015-08-05 13:55:14 +00:00
parent 0b15f91ed6
commit caa73eb95c
17 changed files with 42 additions and 318 deletions

View File

@@ -894,7 +894,7 @@ dwc_otg: Fix crash when fiq_enable=0
}
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4922,7 +4922,7 @@ static void port_event(struct usb_hub *h
@@ -4906,7 +4906,7 @@ static void port_event(struct usb_hub *h
if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
u16 status = 0, unused;

View File

@@ -13,7 +13,7 @@ Subject: [PATCH 066/121] Add blk_pos parameter to mmc multi_io_quirk callback
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1413,6 +1413,7 @@ static void mmc_blk_rw_rq_prep(struct mm
@@ -1415,6 +1415,7 @@ static void mmc_blk_rw_rq_prep(struct mm
brq->data.blocks = card->host->ops->multi_io_quirk(card,
(rq_data_dir(req) == READ) ?
MMC_DATA_READ : MMC_DATA_WRITE,

View File

@@ -51,41 +51,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
+representing the device index in the bus starting at 0.
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -59,16 +59,32 @@ MODULE_ALIAS("w1-family-" __stringify(W1
static int w1_strong_pullup = 1;
module_param_named(strong_pullup, w1_strong_pullup, int, 0);
+struct w1_therm_family_data {
+ uint8_t rom[9];
+ atomic_t refcnt;
+};
+
+/* return the address of the refcnt in the family data */
+#define THERM_REFCNT(family_data) \
+ (&((struct w1_therm_family_data*)family_data)->refcnt)
+
static int w1_therm_add_slave(struct w1_slave *sl)
{
- sl->family_data = kzalloc(9, GFP_KERNEL);
+ sl->family_data = kzalloc(sizeof(struct w1_therm_family_data),
+ GFP_KERNEL);
if (!sl->family_data)
return -ENOMEM;
+ atomic_set(THERM_REFCNT(sl->family_data), 1);
return 0;
}
static void w1_therm_remove_slave(struct w1_slave *sl)
{
+ int refcnt = atomic_sub_return(1, THERM_REFCNT(sl->family_data));
+ while(refcnt) {
+ msleep(1000);
+ refcnt = atomic_read(THERM_REFCNT(sl->family_data));
+ }
kfree(sl->family_data);
sl->family_data = NULL;
}
@@ -76,13 +92,24 @@ static void w1_therm_remove_slave(struct
@@ -92,13 +92,24 @@ static void w1_therm_remove_slave(struct
static ssize_t w1_slave_show(struct device *device,
struct device_attribute *attr, char *buf);
@@ -110,7 +76,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
static struct w1_family_ops w1_therm_fops = {
.add_slave = w1_therm_add_slave,
@@ -90,6 +117,12 @@ static struct w1_family_ops w1_therm_fop
@@ -106,6 +117,12 @@ static struct w1_family_ops w1_therm_fop
.groups = w1_therm_groups,
};
@@ -123,7 +89,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
static struct w1_family w1_therm_family_DS18S20 = {
.fid = W1_THERM_DS18S20,
.fops = &w1_therm_fops,
@@ -107,7 +140,7 @@ static struct w1_family w1_therm_family_
@@ -123,7 +140,7 @@ static struct w1_family w1_therm_family_
static struct w1_family w1_therm_family_DS28EA00 = {
.fid = W1_THERM_DS28EA00,
@@ -132,86 +98,10 @@ w1_therm: Back-port locking improvements from 4.2-rc1
};
static struct w1_family w1_therm_family_DS1825 = {
@@ -194,13 +227,22 @@ static ssize_t w1_slave_show(struct devi
struct w1_slave *sl = dev_to_w1_slave(device);
struct w1_master *dev = sl->master;
u8 rom[9], crc, verdict, external_power;
- int i, max_trying = 10;
+ int i, ret, max_trying = 10;
ssize_t c = PAGE_SIZE;
+ u8 *family_data = sl->family_data;
@@ -316,6 +333,89 @@ post_unlock:
return ret;
}
- i = mutex_lock_interruptible(&dev->bus_mutex);
- if (i != 0)
- return i;
+ ret = mutex_lock_interruptible(&dev->bus_mutex);
+ if (ret != 0)
+ goto post_unlock;
+
+ if(!sl->family_data)
+ {
+ ret = -ENODEV;
+ goto pre_unlock;
+ }
+ /* prevent the slave from going away in sleep */
+ atomic_inc(THERM_REFCNT(family_data));
memset(rom, 0, sizeof(rom));
while (max_trying--) {
@@ -230,17 +272,19 @@ static ssize_t w1_slave_show(struct devi
mutex_unlock(&dev->bus_mutex);
sleep_rem = msleep_interruptible(tm);
- if (sleep_rem != 0)
- return -EINTR;
+ if (sleep_rem != 0) {
+ ret = -EINTR;
+ goto post_unlock;
+ }
- i = mutex_lock_interruptible(&dev->bus_mutex);
- if (i != 0)
- return i;
+ ret = mutex_lock_interruptible(&dev->bus_mutex);
+ if (ret != 0)
+ goto post_unlock;
} else if (!w1_strong_pullup) {
sleep_rem = msleep_interruptible(tm);
if (sleep_rem != 0) {
- mutex_unlock(&dev->bus_mutex);
- return -EINTR;
+ ret = -EINTR;
+ goto pre_unlock;
}
}
@@ -269,19 +313,107 @@ static ssize_t w1_slave_show(struct devi
c -= snprintf(buf + PAGE_SIZE - c, c, ": crc=%02x %s\n",
crc, (verdict) ? "YES" : "NO");
if (verdict)
- memcpy(sl->family_data, rom, sizeof(rom));
+ memcpy(family_data, rom, sizeof(rom));
else
dev_warn(device, "Read failed CRC check\n");
for (i = 0; i < 9; ++i)
c -= snprintf(buf + PAGE_SIZE - c, c, "%02x ",
- ((u8 *)sl->family_data)[i]);
+ ((u8 *)family_data)[i]);
c -= snprintf(buf + PAGE_SIZE - c, c, "t=%d\n",
w1_convert_temp(rom, sl->family->fid));
+ ret = PAGE_SIZE - c;
+
+pre_unlock:
mutex_unlock(&dev->bus_mutex);
+post_unlock:
+ atomic_dec(THERM_REFCNT(family_data));
+ return ret;
+}
+
+#define W1_42_CHAIN 0x99
+#define W1_42_CHAIN_OFF 0x3C
+#define W1_42_CHAIN_OFF_INV 0xC3
@@ -289,10 +179,12 @@ w1_therm: Back-port locking improvements from 4.2-rc1
+ mutex_unlock(&sl->master->bus_mutex);
+
+ c -= snprintf(buf + PAGE_SIZE - c, c, "%d\n", seq);
return PAGE_SIZE - c;
+ return PAGE_SIZE - c;
+error:
+ mutex_unlock(&sl->master->bus_mutex);
+ return -EIO;
}
+}
+
static int __init w1_therm_init(void)
{
int err, i;