| Age | Commit message (Collapse) | Author |
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Dan Williams <dcbw@redhat.com>
Cc: libertas-dev@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: Intel Linux Wireless <ilw@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Brett Rudley <brudley@broadcom.com>
Cc: Roland Vossen <rvossen@broadcom.com>
Cc: Arend van Spriel <arend@broadcom.com>
Cc: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Cc: Kan Yan <kanyan@broadcom.com>
Cc: brcm80211-dev-list@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: b43-dev@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Cc: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: linux-wireless@vger.kernel.org
Cc: ath5k-devel@lists.ath5k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Register the watchdog driver to the system if it is a SoC. Using the
watchdog on a non SoC device, like a PCI card, will make the PCI
card die when the timeout expired, but starting it again is not
supported by ssb.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The watchdog driver wants to set the watchdog timeout in ms and not in
ticks, add a method converting ms to ticks before setting the watchdog
register. Return the ticks or millisecond the timer was set to in case
the provided value was bigger than the max allowed value.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Prevent the watchdog register on the extif core to be set to a too
high value.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The watchdog driver wants to set the watchdog timeout in ms and not in
ticks, which is depending on the SoC type and the clock.
Calculate the number of ticks per millisecond and provide two functions
for the watchdog driver. Also return the ticks or millisecond the timer
was set to in case the provided value was bigger than the max allowed
value.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some ssb based devices have a PMU and the PMU watchdog register should
be used instead of the register in the chip common part, if the device
has a PMU. This patch also calculates the maximal number the watchdog
could be set to.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If there is a PMU in the device, get the alp clock from that part and
do not assume 20000000.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Register the watchdog driver to the system if this is a SoC. Using the
watchdog on a non SoC device, like a PCIe card, will make the PCIe
card die when the timeout expired, but starting it again is not
supported by bcma.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The watchdog driver wants to set the watchdog timeout in ms and not in
ticks, which is depending on the SoC type and the clock.
Calculate the number of ticks per millisecond and provide two functions
for the watchdog driver. Also return the ticks or millisecond the timer
was set to in case the provided value was bigger than the max allowed
value.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Mostly all bcma based devices have a PMU and the PMU watchdog should be
used and not the old one in chip common. This patch also calculates the
maximal number the watchdog could be set to.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For devices without a PMU the alp clock is always 20000000.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This adds a common header for watchdog functions, so a watchdog driver
just needs to use this and could provide watchdog functionality for ssb
and bcma based SoCs. Patches for a watchdog driver using this interface
will be send later.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We have assinged error code to 'ret' when get auth from some
option is not supported but never used it, but we'd better return
the error code.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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possible
Otherwise rt2500* triggers a warning in cfg80211, from net/wireless/core.c:
/* Combinations with just one interface aren't real */
if (WARN_ON(c->max_interfaces < 2))
This was introduced in commit 55d2e9da744ba11eae900b4bfc2da72eace3c1e1:
rt2x00: Replace open coded interface checking with interface combinations.
Reported-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: stable@vger.kernel.org [3.7+]
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Dan Carpenter reported that smatch detected a potential
problem with the code [1]:
drivers/net/wireless/ath/carl9170/tx.c:1488 carl9170_op_tx()
error: we previously assumed 'sta' could be null (see line 1482)
drivers/net/wireless/ath/carl9170/tx.c
1482 if (sta) {
^^^^^ New check.
[...]
1485 }
1487 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
1488 run = carl9170_tx_ampdu_queue(ar, sta, skb);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Old dereference of "sta" inside the call to carl9170_tx_ampdu_queue().
A range of solutions have been discussed in [2] and
we agreed on the following: "
> we might as well add a comment to carl9170_tx_ampdu_queue
> and explain the situation [in a way that's obvious to a
> human reader]. This way we can save the "if"... which is
> a small win since carl9170_op_tx is sort of a hot-path.
Putting a comment there is fine. Without the comment
it's easy for a human reader to get confused why the
check is there. So long as humans can read the code,
that's all that matters."
[1] <http://www.spinics.net/lists/linux-wireless/msg94526.html>
[2] <http://www.spinics.net/lists/linux-kernel-janitors/msg14953.html>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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spinlock_t should always be used.
LD drivers/net/wireless/brcm80211/built-in.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/fwil.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/fwil.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/fweh.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/fweh.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/dhd_common.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/usb.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/usb.o
CHECK drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c
CC [M] drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.o
LD [M] drivers/net/wireless/brcm80211/brcmfmac/brcmfmac.o
LD drivers/net/wireless/brcm80211/brcmsmac/built-in.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c:1311:6: warning: context imbalance in 'brcms_down' - unexpected unlock
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c:1598:6: warning: context imbalance in 'brcms_rfkill_set_hw_state' - unexpected unlock
CC [M] drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/ucode_loader.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/ampdu.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/antsel.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/antsel.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/channel.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/channel.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/main.c
drivers/net/wireless/brcm80211/brcmsmac/main.c:6246:36: warning: Initializer entry defined twice
drivers/net/wireless/brcm80211/brcmsmac/main.c:6246:43: also defined here
CC [M] drivers/net/wireless/brcm80211/brcmsmac/main.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy_shim.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy_shim.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/pmu.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/pmu.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/rate.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/rate.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/stf.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/stf.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/aiutils.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c:3313:46: warning: cast truncates bits from constant value (ffff7fff becomes 7fff)
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c:17688:47: warning: cast truncates bits from constant value (ffff7fff becomes 7fff)
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c:18187:53: warning: cast truncates bits from constant value (ffff3fff becomes 3fff)
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c:21160:36: warning: cast truncates bits from constant value (ffff3fff becomes 3fff)
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c:23321:35: warning: cast truncates bits from constant value (ffff7fff becomes 7fff)
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c:28343:44: warning: cast truncates bits from constant value (ffff1fff becomes 1fff)
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_lcn.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_n.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phytbl_n.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/phy/phy_qmath.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/phy/phy_qmath.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/dma.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/dma.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.o
CHECK drivers/net/wireless/brcm80211/brcmsmac/debug.c
CC [M] drivers/net/wireless/brcm80211/brcmsmac/debug.o
LD [M] drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.o
LD drivers/net/wireless/brcm80211/brcmutil/built-in.o
CHECK drivers/net/wireless/brcm80211/brcmutil/utils.c
CC [M] drivers/net/wireless/brcm80211/brcmutil/utils.o
LD [M] drivers/net/wireless/brcm80211/brcmutil/brcmutil.o
Building modules, stage 2.
MODPOST 3 modules
CC drivers/net/wireless/brcm80211/brcmfmac/brcmfmac.mod.o
LD [M] drivers/net/wireless/brcm80211/brcmfmac/brcmfmac.ko
CC drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.mod.o
LD [M] drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.ko
CC drivers/net/wireless/brcm80211/brcmutil/brcmutil.mod.o
LD [M] drivers/net/wireless/brcm80211/brcmutil/brcmutil.ko
Cc: Brett Rudley <brudley@broadcom.com>
Cc: Roland Vossen <rvossen@broadcom.com>
Cc: Arend van Spriel <arend@broadcom.com>
Cc: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Cc: Kan Yan <kanyan@broadcom.com>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list@broadcom.com
Reported-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Conflicts:
drivers/net/wireless/mwifiex/sta_ioctl.c
net/mac80211/scan.c
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This fixes a regression in 3.7-rc, which has since gone into stable.
Commit 00442ad04a5e ("mempolicy: fix a memory corruption by refcount
imbalance in alloc_pages_vma()") changed get_vma_policy() to raise the
refcount on a shmem shared mempolicy; whereas shmem_alloc_page() went
on expecting alloc_page_vma() to drop the refcount it had acquired.
This deserves a rework: but for now fix the leak in shmem_alloc_page().
Hugh: shmem_swapin() did not need a fix, but surely it's clearer to use
the same refcounting there as in shmem_alloc_page(), delete its onstack
mempolicy, and the strange mpol_cond_copy() and __mpol_cond_copy() -
those were invented to let swapin_readahead() make an unknown number of
calls to alloc_pages_vma() with one mempolicy; but since 00442ad04a5e,
alloc_pages_vma() has kept refcount in balance, so now no problem.
Reported-and-tested-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-3.0
This is an NFC LLCP fix for 3.7 and contains only one patch.
It fixes a potential crash when receiving an LLCP HDLC frame acking a frame
that is not the last sent one. In that case we may dereference an already
freed pointer.
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uncompactable zones
When a zone meets its high watermark and is compactable in case of
higher order allocations, it contributes to the percentage of the node's
memory that is considered balanced.
This requirement, that a node be only partially balanced, came about
when kswapd was desparately trying to balance tiny zones when all bigger
zones in the node had plenty of free memory. Arguably, the same should
apply to compaction: if a significant part of the node is balanced
enough to run compaction, do not get hung up on that tiny zone that
might never get in shape.
When the compaction logic in kswapd is reached, we know that at least
25% of the node's memory is balanced properly for compaction (see
zone_balanced and pgdat_balanced). Remove the individual zone checks
that restart the kswapd cycle.
Otherwise, we may observe more endless looping in kswapd where the
compaction code loops back to reclaim because of a single zone and
reclaim does nothing because the node is considered balanced overall.
See for example
https://bugzilla.redhat.com/show_bug.cgi?id=866988
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-and-tested-by: Thorsten Leemhuis <fedora@leemhuis.info>
Reported-by: Jiri Slaby <jslaby@suse.cz>
Tested-by: John Ellson <john.ellson@comcast.net>
Tested-by: Zdenek Kabelac <zkabelac@redhat.com>
Tested-by: Bruno Wolff III <bruno@wolff.to>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 0bf380bc70ec ("mm: compaction: check pfn_valid when entering a
new MAX_ORDER_NR_PAGES block during isolation for migration") added a
check for pfn_valid() when isolating pages for migration as the scanner
does not necessarily start pageblock-aligned.
Since commit c89511ab2f8f ("mm: compaction: Restart compaction from near
where it left off"), the free scanner has the same problem. This patch
makes sure that the pfn range passed to isolate_freepages_block() is
within the same block so that pfn_valid() checks are unnecessary.
In answer to Henrik's wondering why others have not reported this:
reproducing this requires a large enough hole with the right aligment to
have compaction walk into a PFN range with no memmap. Size and
alignment depends in the memory model - 4M for FLATMEM and 128M for
SPARSEMEM on x86. It needs a "lucky" machine.
Reported-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Ricoh SDHCI controllers support Highspeed clocks as evident from
the ricoh_mmc_probe_slot() settings. Hence, SDHCI_CAN_DO_HISPD needs
to be set to enable SDIO client drivers to set/enable high speed clock
settings
Signed-off-by: Madhvapathi Sriram <Madhvapathi.Sriram@csr.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This commit taken from Rabeeh's Cubox kernel and re-worked for DT;
Sebastian Hasselbrath is believed to be the original author.
Some Cuboxes require a GPIO for card detection; this implements the
optional GPIO support for card detection. This GPIO is logic 0 for
card inserted.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Chris Ball <cjb@laptop.org>
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We need to use the two-stage initialization for sdhci-pltfm if we're
going to do anything extra at initialization time.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Use devm_clk_get() rather than clk_get() to make cleanup paths more simple.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Chris Ball <cjb@laptop.org>
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A-003500: False ADMA Error might be reported when ADMA is used for
multiple block read command with Stop at Block Gap. If PROCTL[SABGREQ]
is set when the particular block's data is received by the System side
logic before entire block (with CRC) data is received by the SD side
logic, and also if ADMA descriptor line is fetched at the same time,
then DMA engine might report false ADMA error. eSDHC might not be able
to Continue (PROCTL[CREQ]=1) after Stop at Block Gap.
This issue will impact the eSDHC IP VVN2.3.
Signed-off-by: Haijun Zhang <Haijun.Zhang@freescale.com>
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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ctype is using 1-bit buswidth mode by default.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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To ensure the stable clock need to enable before set the
DW_MMC_CARD_NEED_INIT flag. If set DW_MMC_CARD_NEED_INIT flag,
wait for 80-clock before first command after power-up.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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If "caps2" host capabilities does not indicate support for MMC
HS200, don't allow clock speeds >52MHz. Currently, for MMC, the
clock speed is set to the lesser of the max speed the eMMC module
supports (card->ext_csd.hs_max_dtr) or the max base clock of the
host controller (host->f_max based on BASE_CLK_FREQ in the host
CAPS register). This means that a host controller that doesn't
support HS200 mode but has a base clock of 100MHz and an eMMC module
that supports HS200 speeds will end up using a 100MHz clock.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Use managed device resource functions for easy handling.
This makes driver simpler in the routine of error and exit.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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MMCIF only uses one clock, all ARM and SuperH platforms register MMCIF
clock lookup entries with no connection ID, hence it can be dropped in
the driver too.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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SDHI only uses one clock, all ARM and SuperH platform register SDHI clock
lookup entries with no connection ID, hence it can be dropped in the
driver too.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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During its probing the SDHI driver prints out the clock frequency, but
does it wrongly, always reporting 0Hz. Use the MMC host frequency value
to fix this issue.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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kfree on a null pointer is a no-op.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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kfree on a null pointer is a no-op.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Use devm_kzalloc, devm_gpio_request_one and devm_request_irq to make
cleanup path simpler.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The OLPC XO-1.75 laptop includes a SDHCI controller which is 1.8v
capable, and it truthfully reports so in its capabilities. This
alternate voltage is used for driving new "UHS-I" SD cards at their
full speed.
However, what the controller doesn't know is that the motherboard
physically doesn't have a 1.8v supply available, so attempting to
switch to the 1.8v level will result in a situation that cannot be
recovered from without physically replugging the SD card.
Add a device tree flag that can be used on systems like these,
and hook it up to the equivalent SDHCI quirk.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Reviewed-by: Philip Rakity <prakity@nvidia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The OLPC XO-1.75 laptop includes a SDHCI controller which is 1.8v
capable, and it truthfully reports so in its capabilities. This
alternate voltage is used for driving new "UHS-I" SD cards at their
full speed.
However, what the controller doesn't know is that the motherboard
physically doesn't have a 1.8v supply available.
Add a quirk so that systems such as this one can override disable
1.8v support, adding support for UHS-I cards (by running them at
3.3v).
This avoids a problem where the system would first try to run the
card at 1.8v, fail, and then not be able to fully reset the card
to retry at the normal 3.3v voltage.
This is more appropriate than using the MISSING_CAPS quirk, which
is intended for cases where the SDHCI controller is actually lying
about its capabilities, and would force us to somehow override both
caps words from another source.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Reviewed-by: Philip Rakity <prakity@nvidia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Suspend methods provided by SDIO drivers are not supposed to be called by
the PM core. Instead, when the SDIO core gets to suspend a device's
ancestor, it calls the device driver's suspend routine. However, the PM
core executes suspend callback routines directly for device drivers whose
bus types don't provide suspend callbacks. In consequece, because the
SDIO bus type doesn't provide a suspend callback, the SDIO drivers'
suspend routines will be executed by the PM core (which shouldn't
happen).
To prevent this from happening, add empty system suspend/resume callbacks
for the SDIO bus type.
An analogous change had been made already by commit (e841a7c mmc: sdio:
Use empty system suspend/resume callbacks at the bus level), but then it
was reverted inadvertently by commit (d8e2ac3 mmc: sdio: Fix PM_SLEEP
related build warnings) that attempted to fix build warnings introduced
by commit e841a7c.
Reported-by: NeilBrown <neilb@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add missing usb_put_dev on failure path in vub300_probe().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Marina Makienko <makienko@ispras.ru>
Signed-off-by: Chris Ball <cjb@laptop.org>
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