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struct camera_af_platform_data and bound functions are not used anywhere.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove unused members along with dead code.
Mostly done with help of coccinelle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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gpiod_get() configures GPIO line at the time of successful request.
Thus, no need to do this explicitly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Logging of explicit out of memory messages is redundant since memory allocation
failures produce a backtrace.
Done with the help of the following cocci script:
@@
expression ex, ret;
statement s;
constant char[] c;
constant err;
identifier f, l;
@@
ex =
\(kmalloc\|kmalloc_array\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\|devm_kzalloc\)(...)
... when != ex
if (
(
!ex
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unlikely(!ex)
)
)
- {
- f(..., c, ...);
(
return ex;
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return;
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return err;
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goto l;
)
- }
else s
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The common-clk core expects clk consumers to always call enable/disable
in a balanced manner. The atomisp driver does not call gmin_flisclk_ctrl()
in a balanced manner, so add a clock_on bool and skip redundant calls.
This fixes kernel oops like this one:
[ 19.811613] gc0310_s_config S
[ 19.811655] ------------[ cut here ]------------
[ 19.811664] WARNING: CPU: 1 PID: 720 at drivers/clk/clk.c:594 clk_core_disabl
[ 19.811666] Modules linked in: tpm_crb(+) snd_soc_sst_atom_hifi2_platform tpm
[ 19.811744] CPU: 1 PID: 720 Comm: systemd-udevd Tainted: G C OE 4.1
[ 19.811746] Hardware name: Insyde T701/T701, BIOS BYT70A.YNCHENG.WIN.007 08/2
[ 19.811749] task: ffff988df7ab2500 task.stack: ffffac1400474000
[ 19.811752] RIP: 0010:clk_core_disable+0xc0/0x130
...
[ 19.811775] Call Trace:
[ 19.811783] clk_core_disable_lock+0x1f/0x30
[ 19.811788] clk_disable+0x1f/0x30
[ 19.811794] gmin_flisclk_ctrl+0x87/0xf0
[ 19.811801] 0xffffffffc0528512
[ 19.811805] 0xffffffffc05295e2
[ 19.811811] ? acpi_device_wakeup_disable+0x50/0x60
[ 19.811815] ? acpi_dev_pm_attach+0x8e/0xd0
[ 19.811818] ? 0xffffffffc05294d0
[ 19.811823] i2c_device_probe+0x1cd/0x280
[ 19.811828] driver_probe_device+0x2ff/0x450
Fixes: "staging: atomisp: use clock framework for camera clocks"
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The Atom ISP driver initializes and configures PMC clocks which are
already handled by the clock framework.
Remove all legacy vlv2_platform_clock stuff and move to the clk API to
avoid conflicts, e.g. with audio machine drivers enabling the MCLK for
external codecs
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Tested-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In many files in the driver the intel-mid.h header inclusion is redundant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since we switched to upstream IOSF MBI API the custom code
become not in use anymore.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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intel_mid_msgbus_*_raw*() are not used anywhere.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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intel_mid_soc_stepping() is not used anywhere.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The d3_delay parameter is set by arch/x86/pci/intel_mid_pci.c and
drivers/pci/quirks.c.
No need to override that settings in unrelated driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove dead code. If someone needs it the P-Unit semaphore is handled by
I2C DesignWare driver (drivers/i2c/busses/i2c-designware-baytrail.c).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Do not call dev_warn with a NULL device, this silence the following 2
warnings:
[ 14.392194] (NULL device *): Failed to find gmin variable gmin_V2P8GPIO
[ 14.392257] (NULL device *): Failed to find gmin variable gmin_V1P8GPIO
We could switch to using pr_warn for dev == NULL instead, but as comments
in the source indicate, the check for these 2 special gmin variables with
a NULL device is a workaround for 2 specific evaluation boards, so
completely silencing the missing warning for these actually is a good
thing.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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arguments
efivar_entry_get has certain alignment requirements and the atomisp
platform code was not honoring these, causing an oops by triggering the
WARN_ON in arch/x86/platform/efi/efi_64.c: virt_to_phys_or_null_size().
This commit fixes this by using the members of the efivar struct embedded
in the efivar_entry struct we kzalloc as arguments to efivar_entry_get(),
which is how all the other callers of efivar_entry_get() do this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix for warnings reported by checkpatch.pl:
- Multiline comment style
- Bare "unsigned"
- Missing blank line after declarations
- Un-needed braces around single-statement branch
Signed-off-by: Avraham Shukron <avraham.shukron@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix for error (not warnings) reported by checkpatch.pl
Specifically:
- missing whitespace around "=" and after ","
- indentation with spaces instead of tabs
- lines starting with a whitespace
This patch does not affect the compiled code in any way.
Signed-off-by: Avraham Shukron <avraham.shukron@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fixes a sparse warning:
drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c:35:5: warning: symbol 'qos' was not declared. Should it be static?
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Added "static" storage class to 4 not-declared functions
Signed-off-by: Avraham Shukron <avraham.shukron@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The range checking on clk_num is incorrect; fix these so that invalid
clk_num values are detected correctly.
Detected by static analysis with by PVS-Studio
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Makefile / Kconfig currently controlling compilation of this code is:
clock/Makefile:obj-$(CONFIG_INTEL_ATOMISP) += vlv2_plat_clock.o
atomisp/Kconfig:menuconfig INTEL_ATOMISP
atomisp/Kconfig: bool "Enable support to Intel MIPI camera drivers"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
Since module_init was already not in use by this driver, the init
ordering remains unchanged with this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Cox <alan@linux.intel.com>
Cc: linux-media@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove multiple blank lines, which are not required. This patch fixes
the following check patch issue:
CHECK: Please don't use multiple blank lines
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add spaces around arithmetic operators (/, +, -), to fix the checkpatch
issue.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To use IO functions like writel, readl, ioremap_nocache and iounmap,
linux/io.h should be included.
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Static checkers complain that we should check if "i" is in bounds
before we check if "var8[i]" is a NUL char. This bug is harmless but
also easy to fix.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The previous statement checks if client is null, so the null check
when assigning dev is redundant and can be removed.
Detected by CoverityScan, CID#1416555 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using LINUXINCLUDE is a very old hack, and doesn't play well with
building objects in a different directory than the kernel source is in.
So fix up the include file references to be relative to make it obvious
we are pulling in local include files, which need to get fixed up.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/staging/media/atomisp/platform/clock/vlv2_plat_clock.c:248:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds support for the Intel IPU v2 as found on Android and IoT
Baytrail-T and Baytrail-CR platforms (those with the IPU PCI mapped). You
will also need the firmware files from your device (Android usually puts
them into /etc) - or you can find them in the downloadable restore/upgrade
kits if you blew them away for some reason.
It may be possible to extend the driver to handle the BYT/T windows
platforms such as the ASUS T100TA. These platforms don't expose the IPU via
the PCI interface but via ACPI buried in the GPU description and with the
camera information somewhere unknown so would need a platform driver
interface adding to the codebase *IFF* the firmware works on such devices.
To get good results you also need a suitable support library such as
libxcam. The camera is intended to be driven from Android so it has a lot of
features that many desktop apps don't fully spport.
In theory all the pieces are there to build it with -DISP2401 and some
differing files to get CherryTrail/T support, but unifying the drivers
properlly is a work in progress.
The IPU driver represents the work of a lot of people within Intel over many
years. It's historical goal was portability rather than Linux upstream. Any
queries about the upstream aimed driver should be sent to me not to the
original authors.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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