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[ Upstream commit 6d6ef58c2470da85a99119f74d34216c8074b9f0 ]
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling path.
Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220112104501.30655-1-linmq006@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0c1b56df451716ba207bbf59f303473643eee4fd ]
Any registered clk_core structure can have a NULL pointer in its dev
field. While never actually documented, this is evidenced by the wide
usage of clk_register and clk_hw_register with a NULL device pointer,
and the fact that the core of_clk_hw_register() function also passes a
NULL device pointer.
A call to clk_hw_get_clk() on a clk_hw struct whose clk_core is in that
case will result in a NULL pointer derefence when it calls dev_name() on
that NULL device pointer.
Add a test for this case and use NULL as the dev_id if the device
pointer is NULL.
Fixes: 30d6f8c15d2c ("clk: add api to get clk consumer from clk_hw")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220225143534.405820-2-maxime@cerno.tech
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8bed4ed5aa3431085d9d27afc35d684856460eda ]
In order that the end of a clk_div_table can be detected, it must be
terminated with a sentinel element (.div = 0).
Fixes: 631c53478973d ("clk: Add CLPS711X clk driver")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220218000922.134857-5-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 113b261bdf2b4fd34e7769a147a7acd0a4d9137f ]
In order that the end of a clk_div_table can be detected, it must be
terminated with a sentinel element (.div = 0).
Fixes: 6c81966107dc0 ("clk: hisilicon: Add clock driver for hi3559A SoC")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220218000922.134857-4-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3eb00f89162e80083dfcaa842468b510462cfeaa ]
In order that the end of a clk_div_table can be detected, it must be
terminated with a sentinel element (.div = 0).
Fixes: b4626a7f4892 ("CLK: Add Loongson1C clock support")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Link: https://lore.kernel.org/r/20220218000922.134857-3-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d8a441e53e2434b1401e52dfd66b05263e442edc ]
In order that the end of a clk_div_table can be detected, it must be
terminated with a sentinel element (.div = 0).
In owl-s900.s, the { 0, 8 } element was probably meant to be just that,
so this patch changes { 0, 8 } to { 0, 0 }.
Fixes: d47317ca4ade1 ("clk: actions: Add S700 SoC clock support")
Fixes: d85d20053e195 ("clk: actions: Add S900 SoC clock support")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220218000922.134857-2-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d9d290d7e659e9db3e4518040cc18b97f5535f4a ]
In preparation for removing BLK aperture support the NVDIMM unit tests
discovered that the default alignment can be set higher than the
capacity of the region. Fall back to PAGE_SIZE in that case.
Given this has not been seen in the wild, elide notifying -stable.
Fixes: 2522afb86a8c ("libnvdimm/region: Introduce an 'align' attribute")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/164688416128.2879318.17890707310125575258.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 07a5dcc4bed9d7cae54adf5aa10ff9f037a3204b ]
The device_node pointer is returned by of_parse_phandle() or
of_get_child_by_name() with refcount incremented.
We should use of_node_put() on it when done.
This function only call of_node_put(node) when of_address_to_resource
succeeds, missing error cases.
Fixes: 278d744c46fd ("remoteproc: qcom: Fix potential device node leaks")
Fixes: 051fb70fd4ea ("remoteproc: qcom: Driver for the self-authenticating Hexagon v5")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308064522.13804-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8f90161a66bc3d6b9fe8dde4d9028d20eae1b62a ]
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: aed361adca9f ("remoteproc: qcom: Introduce WCNSS peripheral image loader")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308063102.10049-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 505b5b1616e200042999de715dbe7c1e2735cd65 ]
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: dc160e449122 ("remoteproc: qcom: Introduce Non-PAS ADSP PIL driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220308031219.4718-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b95044b38425f563404234d96bbb20cc6360c7e1 ]
Remove the loaded hisi_dma driver and reload it, the driver fails
to work properly. The following error is reported in the kernel log:
[ 1475.597609] hisi_dma 0000:7b:00.0: Failed to allocate MSI vectors!
[ 1475.604915] hisi_dma: probe of 0000:7b:00.0 failed with error -28
As noted in "The MSI Driver Guide HOWTO"[1], the number of MSI
interrupt must be a power of two. The Kunpeng DMA driver allocates 30
MSI interrupts. As a result, no space left on device is reported
when the driver is reloaded and allocates interrupt vectors from the
interrupt domain.
This patch changes the number of interrupt vectors allocated by
hisi_dma driver to 32 to avoid this problem.
[1] https://www.kernel.org/doc/html/latest/PCI/msi-howto.html
Fixes: e9f08b65250d ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Jie Hai <haijie1@huawei.com>
Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/20220216072101.34473-1-haijie1@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b527358cb4cd58a8279c9062b0786f1fab628fdc ]
Support the new numerator and denominator for pixel clock on SM8350 and
support rgb101010, RGB888 use cases on SM8450.
Fixes: 99cbd064b059f ("clk: qcom: Support display RCG clocks")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220227175536.3131-2-tdas@codeaurora.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 58922910add18583d5273c2edcdb9fd7bf4eca02 ]
The display pixel clock has a requirement on certain newer platforms to
support M/N as (2/3) and the final D value calculated results in
underflow errors.
As the current implementation does not check for D value is within
the accepted range for a given M & N value. Update the logic to
calculate the final D value based on the range.
Fixes: 99cbd064b059f ("clk: qcom: Support display RCG clocks")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220227175536.3131-1-tdas@codeaurora.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1a944729d8635fa59638f24e8727d5ccaa0c8c19 ]
Audio PLL can be used as parent by the GCLKs of PDMCs.
Fixes: cb783bbbcf54 ("clk: at91: sama7g5: add clock support for sama7g5")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220304182616.1920392-1-codrin.ciubotariu@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 135efc3a76d127691afaf1864e4ab627bf09d53d ]
The > needs to be >= to prevent an off by one access.
Fixes: d5f1e6a2bb61 ("clk: imx: imx8qxp-lpcg: add parsing clocks from device tree")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220228075014.GD13685@kili
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eccac77ede3946c90143447cdc785dc16aec4b24 ]
The audio_mclk_root_clk was added as a gate with the CCGR121 (0x4790),
but according to the reference manual, there is no such gate. The
CCGR121 belongs to ECSPI2 and it is not shared.
Fixes: 8f6d8094b215b57 ("ARM: imx: add imx7d clk tree support")
Reported-by: David Wolfe <david.wolfe@nxp.com>
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20220127141052.1900174-2-abel.vesa@nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 80e4390981618e290616dbd06ea190d4576f219d ]
When valid kernel command line parameters
dma_debug=off dma_debug_entries=100
are used, they are reported as Unknown parameters and added to init's
environment strings, polluting it.
Unknown kernel command line parameters "BOOT_IMAGE=/boot/bzImage-517rc5
dma_debug=off dma_debug_entries=100", will be passed to user space.
and
Run /sbin/init as init process
with arguments:
/sbin/init
with environment:
HOME=/
TERM=linux
BOOT_IMAGE=/boot/bzImage-517rc5
dma_debug=off
dma_debug_entries=100
Return 1 from these __setup handlers to indicate that the command line
option has been handled.
Fixes: 59d3daafa1726 ("dma-debug: add kernel command line parameters")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: iommu@lists.linux-foundation.org
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1327fcf175fa63d3b7a058b8148ed7714acdc035 ]
Fix an endless loop in recv_func. If pending_frame is not NULL, we're
stuck in the while loop forever. We have to call rtw_alloc_recvframe
each time we loop.
Fixes: 15865124feed ("staging: r8188eu: introduce new core dir for RTL8188eu driver")
Reported-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220226181457.1138035-4-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 64cfca85bacde54caa64e0ab855c48734894fa37 ]
Valid return values for decode_dirent() callback functions are:
0: Success
-EBADCOOKIE: End of directory
-EAGAIN: End of xdr_stream
All errors need to map into one of those three values.
Fixes: 573c4e1ef53a ("NFS: Simplify ->decode_dirent() calling sequence")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9c27896ac1bb83ea5c461ce6f7089d02102a2b21 ]
As the potential failure of the pci_enable_device(),
it should be better to check the return value and return
error if fails.
Fixes: 70b2f993ea4a ("habanalabs: create common folder")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b30537a4cedcacf0ade2f33ebb7610178ed1e7d7 ]
As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value and return
error if fails.
Fixes: fa659a40b80b ("iio: adc: twl6030-gpadc: Use devm_* API family")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220224062849.3280966-1-jiasheng@iscas.ac.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dedab69fd650ea74710b2e626e63fd35584ef773 ]
Set em485->active_timer = NULL isn't always enough to take out the stop
timer. While there is a check that it acts in the right state (i.e.
waiting for RTS-after-send to pass after sending some chars) but the
following might happen:
- CPU1: some chars send, shifter becomes empty, stop tx timer armed
- CPU0: more chars send before RTS-after-send expired
- CPU0: shifter empty irq, port lock taken
- CPU1: tx timer triggers, waits for port lock
- CPU0: em485->active_timer = &em485->stop_tx_timer, hrtimer_start(),
releases lock()
- CPU1: get lock, see em485->active_timer == &em485->stop_tx_timer,
tear down RTS too early
This fix bases on research done by Steffen Trumtrar.
Fixes: b86f86e8e7c5 ("serial: 8250: fix potential deadlock in rs485-mode")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220215160236.344236-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6c984083ec2453dfd3fcf98f392f34500c73e3f2 ]
The use of mapping_set_error() in conjunction with calls to
filemap_check_errors() is problematic because every error gets reported
as either an EIO or an ENOSPC by filemap_check_errors() in functions
such as filemap_write_and_wait() or filemap_write_and_wait_range().
In almost all cases, we prefer to use the more nuanced wb errors.
Fixes: b8946d7bfb94 ("NFS: Revalidate the file mapping on all fatal writeback errors")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5318f70da7e82649d794fc27d8a127c22aa3566e ]
The pci_get_slot() increases its reference count, the caller
must decrement the reference count by calling pci_dev_put().
Fixes: 9a1870ce812e ("serial: 8250: don't use slave_id of dma_slave_config")
Depends-on: a13e19cf3dc1 ("serial: 8250_lpss: split LPSS driver to separate module")
Reported-by: Qing Wang <wangqing@vivo.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220223151240.70248-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 32942d33d63d27714ed16a4176e5a99547adb6e0 ]
Just like every other family BCM4908 should get its own enum value. That
is required to properly handle it in chipset conditional code.
The real change is excluding BCM4908 from the PLL reprogramming code
(see brcmusb_usb3_pll_54mhz()). I'm not sure what's the BCM4908
reference clock frequency but:
1. BCM4908 custom driver from Broadcom's SDK doesn't reprogram PLL
2. Doing that in Linux driver stopped PHY handling some USB 3.0 devices
This change makes USB 3.0 PHY recognize e.g.:
1. 04e8:6860 - Samsung Electronics Co., Ltd Galaxy series, misc. (MTP mode)
2. 1058:259f - Western Digital My Passport 259F
Broadcom's STB SoCs come with a set of SUN_TOP_CTRL_* registers that
allow reading chip family and product ids. Such a block & register is
missing on BCM4908 so this commit introduces "compatible" string
specific binding.
Fixes: 4b402fa8e0b7 ("phy: phy-brcm-usb: support PHY on the BCM4908")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220218172459.10431-1-zajec5@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3153fa38e38af566cf6454a03b1dbadaf6f323c0 ]
According to the comment of the function phy_mipi_dphy_get_default_config(),
it uses minimum D-PHY timings based on MIPI D-PHY specification. They are
derived from the valid ranges specified in Section 6.9, Table 14, Page 41
of the D-PHY specification (v1.2). The table 14 explicitly mentions that
the minimum T-LPX parameter is 50 nanoseconds and the minimum TA-SURE
parameter is T-LPX nanoseconds. Likewise, the kernel doc of the 'lpx' and
'ta_sure' members of struct phy_configure_opts_mipi_dphy mentions that
the minimum values are 50000 picoseconds and @lpx picoseconds respectively.
Also, the function phy_mipi_dphy_config_validate() checks if cfg->lpx is
less than 50000 picoseconds and if cfg->ta_sure is less than cfg->lpx,
which hints the same minimum values.
Without this patch, the function phy_mipi_dphy_get_default_config()
wrongly sets cfg->lpx to 60000 picoseconds and cfg->ta_sure to 2 * cfg->lpx.
So, let's correct them to 50000 picoseconds and cfg->lpx respectively.
Note that I've only tested the patch with RM67191 DSI panel on i.MX8mq EVK.
Help is needed to test with other i.MX8mq, Meson and Rockchip platforms,
as I don't have the hardwares.
Fixes: dddc97e82303 ("phy: dphy: Add configuration helpers")
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Link: https://lore.kernel.org/r/20220216071257.1647703-1-victor.liu@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b77d8306d84f83d1da68028a68c91da9c867b6f6 ]
Use floor ops on SDCC1 APPS clock in order to round down selected clock
frequency and avoid overclocking SD/eMMC cards.
For example, currently HS200 cards were failling tuning as they were
actually being clocked at 384MHz instead of 192MHz.
This caused some boards to disable 1.8V I/O and force the eMMC into the
standard HS mode (50MHz) and that appeared to work despite the eMMC being
overclocked to 96Mhz in that case.
There was a previous commit to use floor ops on SDCC clocks, but it looks
to have only covered SDCC2 clock.
Fixes: 9607f6224b39 ("clk: qcom: ipq8074: add PCIE, USB and SDCC clocks")
Signed-off-by: Dirk Buchwalder <buchwalder@posteo.de>
Signed-off-by: Robert Marko <robimarko@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220210173100.505128-1-robimarko@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit de9b861018d46af27a5edff8b6baef35c0c0ad4f ]
The checker failed to validate all enum IDs in the description of a
register with fixed-width register fields, due to a miscalculation of
the number of described states: each register field of n bits can have
"1 << n" possible states, not "1".
Increase SH_PFC_MAX_ENUMS accordingly, now more enum IDs are checked
(SH-Mobile AG5 has more than 4000 enum IDs defined).
Fixes: 12d057bad683b1c6 ("pinctrl: sh-pfc: checker: Add check for enum ID conflicts")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6d8a6a05564f38f9d20464c1c17f96e52740cf6a.1645460429.git.geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9e04a0eda84fccab0ac22a33825ad53f47c968c7 ]
The second video-in channel on RZ/G1C has only 12 data lanes, but the
pin control driver uses the vin_data union, which is meant for 24 data
lanes, thus wasting space.
Fix this by using the vin_data12 union instead.
This reduces kernel size by 96 bytes.
Fixes: 50f3f2d73e3426ba ("pinctrl: sh-pfc: Reduce kernel size for narrow VIN channels")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/52716fa89139f6f92592633edb52804d4c5e18f0.1640269757.git.geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f281e4ddbbc0b60f061bc18a2834e9363ba85f9f ]
The bit reversal was wrong for bits 1 and 3 of the 5 bits.
Result is driver failure to probe if you have more than 2 daisy-chained
devices. Discovered via QEMU based device emulation.
Fixes tag is for when this moved from a macro to a function, but it
was broken before that.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes: 065a7c0b1fec ("Staging: iio: adc: ad7280a.c: Fixed Macro argument reuse")
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://lore.kernel.org/r/20220206190328.333093-2-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a603ca60cebff8589882427a67f870ed946b3fc8 ]
Commit 54da3e381c2b ("serial: 8250_aspeed_vuart: use UPF_IOREMAP to
set up register mapping") fixed a bug that had, as a side-effect,
prevented the 8250_aspeed_vuart driver from enabling the VUART's
FIFOs. However, fixing that (and hence enabling the FIFOs) has in
turn revealed what appears to be a hardware bug in the ASPEED VUART in
which the host-side THRE bit doesn't get if the BMC-side receive FIFO
trigger level is set to anything but one byte. This causes problems
for polled-mode writes from the host -- for example, Linux kernel
console writes proceed at a glacial pace (less than 100 bytes per
second) because the write path waits for a 10ms timeout to expire
after every character instead of being able to continue on to the next
character upon seeing THRE asserted. (GRUB behaves similarly.)
As a workaround, introduce a new port type for the ASPEED VUART that's
identical to PORT_16550A as it had previously been using, but with
UART_FCR_R_TRIG_00 instead to set the receive FIFO trigger level to
one byte, which (experimentally) seems to avoid the problematic THRE
behavior.
Fixes: 54da3e381c2b ("serial: 8250_aspeed_vuart: use UPF_IOREMAP to set up register mapping")
Tested-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220211004203.14915-1-zev@bewilderbeest.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a47ac019e7e8129b93a0b991e04b2a59872e053d ]
The mma8452_driver declares both of_match_table and i2c_driver.id_table
match-tables, but its probe() function only checked for of matches.
Add support for i2c_device_id matches. This fixes the driver not loading
on some x86 tablets (e.g. the Nextbook Ares 8) where the i2c_client is
instantiated by platform code using an i2c_device_id.
Drop of_match_ptr() protection to avoid unused warning.
Fixes: c3cdd6e48e35 ("iio: mma8452: refactor for seperating chip specific data")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220208124336.511884-1-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ea7c8f598c323f6ebaf9ddae01fb2a981fe8c56a ]
When clearing the group configurations, the driver fails to restore the
default setting for DSA 1.x based devices. Add defaults in
idxd_groups_clear_state() for traffic class configuration.
Fixes: ade8a86b512c ("dmaengine: idxd: Set defaults for GRPCFG traffic class")
Reported-by: Binuraj Ravindran <binuraj.ravindran@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164304123369.824298.6952463420266592087.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7ed6f1b85fb613e5e44ef3e14d73f2dc96860935 ]
DSA spec v1.2 has changed the term of "bandwidth tokens" to "read buffers"
in order to make the concept clearer. Deprecate bandwidth token
naming in the driver and convert to read buffers in order to match with
the spec and reduce confusion when reading the spec.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163951338932.2988321.6162640806935567317.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 79c4c3db7d86b9bec94562275efc82e58f3d0132 ]
DSA spec 1.2 has moved the GENCFG register under the GENCAP configuration
support with respect to writability. Add check in driver before writing to
GENCFG register.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163406171896.1303830.11217958011385656998.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 4a8a77abf0e2b6468ba0281e33384cbec5fb476a ]
The fuse consists of 64 bits, with this statement we're supposed to get
the upper 32 bits but it actually read out of bounds and got 0 instead
of the desired value which lead to the "PVS bin not set." codepath being
run resetting our pvs value.
Fixes: a8811ec764f9 ("cpufreq: qcom: Add support for krait based socs")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5b3dc949f554379edcb8ef6111aa5ecb78feb798 ]
A successful ida_simple_get() should be balanced by a corresponding
ida_simple_remove().
Add the missing call in the error handling path of the probe.
While at it, switch to ida_alloc()/ida_free() instead to
ida_simple_get()/ida_simple_remove().
The latter is deprecated and more verbose.
Fixes: 4f556bc04e3c ("misc: cardreader: add new Alcor Micro Cardreader PCI driver")
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/918a9875b7f67b7f8f123c4446452603422e8c5e.1644136776.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 83ba7e895debc529803a7a258653f2fe9bf3bf40 ]
A struct device can never be devm_alloc()'ed.
Here, it is embedded in "struct fsi_master", and "struct fsi_master" is
embedded in "struct fsi_master_aspeed".
Since "struct device" is embedded, the data structure embedding it must be
released with the release function, as is already done here.
So use kzalloc() instead of devm_kzalloc() when allocating "aspeed" and
update all error handling branches accordingly.
This prevent a potential double free().
This also fix another issue if opb_readl() fails. Instead of a direct
return, it now jumps in the error handling path.
Fixes: 606397d67f41 ("fsi: Add ast2600 master driver")
Suggested-by: Greg KH <gregkh@linuxfoundation.org>
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/2c123f8b0a40dc1a061fae982169fe030b4f47e6.1641765339.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit abaca3179b41d4b3b115f27814ee36f6fb45e897 ]
If the pps-gpio driver was probed prior to the GPIO device it uses, the
devm_gpiod_get call returned an -EPROBE_DEFER error, but pps_gpio_probe
replaced that error code with -EINVAL, causing the pps-gpio probe to
fail and not be retried later. Propagate the error return value so that
deferred probe works properly.
Fixes: 161520451dfa (pps: new client driver using GPIO)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Signed-off-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://lore.kernel.org/r/20220112205214.2060954-1-robert.hancock@calian.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0401f24cd238ae200a23a13925f98de3d2c883b8 ]
When a driver calls pwmchip_add() it has to be prepared to immediately
get its callbacks called. So move allocation of driver data and hardware
initialization before the call to pwmchip_add().
This fixes a potential NULL pointer exception and a race condition on
register writes.
Fixes: 841e6f90bb78 ("pwm: NXP LPC18xx PWM/SCT driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ab1b79159ad5a6dc4e4994b49737f7feb13b7155 ]
In commit f72ddbe1d7b7 ("fsi: scom: Remove retries") the retries were
removed from get and put scoms. That patch missed the retires in get and
put indirect scom.
For the same reason, remove them from the scom driver to allow the
caller to decide to retry.
This removes the following special case which would have caused the
retry code to return early:
- if ((ind_data & XSCOM_DATA_IND_COMPLETE) || (err != SCOM_PIB_BLOCKED))
- return 0;
I believe this case is handled.
Fixes: f72ddbe1d7b7 ("fsi: scom: Remove retries")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20211207033811.518981-3-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d46fddd52d11eb6a3a7ed836f9f273e9cf8cd01c ]
SCOM error handling is made complex by trying to pass around two bits of
information: the function return code, and a status parameter that
represents the CFAM error status register.
The commit f72ddbe1d7b7 ("fsi: scom: Remove retries") removed the
"hidden" retries in the SCOM driver, in preference of allowing the
calling code (userspace or driver) to decide how to handle a failed
SCOM. However it introduced a bug by attempting to be smart about the
return codes that were "errors" and which were ok to fall through to the
status register parsing.
We get the following errors:
- EINVAL or ENXIO, for indirect scoms where the value is invalid
- EINVAL, where the size or address is incorrect
- EIO or ETIMEOUT, where FSI write failed (aspeed master)
- EAGAIN, where the master detected a crc error (GPIO master only)
- EBUSY, where the bus is disabled (GPIO master in external mode)
In all of these cases we should fail the SCOM read/write and return the
error.
Thanks to Dan Carpenter for the detailed bug report.
Fixes: f72ddbe1d7b7 ("fsi: scom: Remove retries")
Link: https://lists.ozlabs.org/pipermail/linux-fsi/2021-November/000235.html
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20211207033811.518981-2-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit cd3a4907ee334b40d7aa880c7ab310b154fd5cd4 ]
When LSR is 0xff in ->activate() (rather unlike), we return an error.
Provided ->shutdown() is not called when ->activate() fails, nothing
actually frees the buffer in this case.
Fix this by properly freeing the buffer in a designated label. We jump
there also from the "!info->type" if now too.
Fixes: 6769140d3047 ("tty: mxser: use the tty_port_open method")
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220124071430.14907-6-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 39850edf2befe27bcb3d6c37b6ee76d2ee4df903 ]
In function load_firmware() release_firmware() is not called if the
allocation of pFirmware->szFwBuffer fails or if fw->size is greater
than FW_8188E_SIZE.
Move the call to release_firmware() to the exit label at the end of
the function to fix this.
Fixes: 8cd574e6af54 ("staging: r8188eu: introduce new hal dir for RTL8188eu driver")
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220107103620.15648-4-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5ec394d58bdba731c2a33645be7018e71f72f287 ]
Convert DBG_88E_LEVEL macro call in hal/rtl8188e_hal_init.c to plain
dev_dbg call, as although the information is potentially useful, we should
be exposing it using standard kernel debugging functionality.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20211129002041.865-6-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0cbcc92917c5de80f15c24d033566539ad696892 ]
Since commit ebff7d8f270d ("mem hotunplug: fix kfree() of bootmem
memory"), we could get a resource allocated during boot via
alloc_resource(). And it's required to release the resource using
free_resource(). Howerver, many people use kfree directly which will
result in kernel BUG. In order to fix this without fixing every call
site, just leak a couple of bytes in such corner case.
Link: https://lkml.kernel.org/r/20220217083619.19305-1-linmiaohe@huawei.com
Fixes: ebff7d8f270d ("mem hotunplug: fix kfree() of bootmem memory")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2844e2434385819f674d1fb4130c308c50ba681e ]
cpsw_ethtool_begin directly returns the result of pm_runtime_get_sync
when successful.
pm_runtime_get_sync returns -error code on failure and 0 on successful
resume but also 1 when the device is already active. So the common case
for cpsw_ethtool_begin is to return 1. That leads to inconsistent calls
to pm_runtime_put in the call-chain so that pm_runtime_put is called
one too many times and as result leaving the cpsw dev behind suspended.
The suspended cpsw dev leads to an access violation later on by
different parts of the cpsw driver.
Fix this by calling the return-friendly pm_runtime_resume_and_get
function.
Fixes: d43c65b05b84 ("ethtool: runtime-resume netdev parent in ethnl_ops_begin")
Signed-off-by: Jan Sondhauss <jan.sondhauss@wago.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20220323084725.65864-1-jan.sondhauss@wago.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
