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For some reason, the TEST_ defines in the usb/ch9.h files did not have
the USB_ prefix on it, making it a bit confusing when reading the file,
as well as not the nicest thing to do in a uapi file.
So fix that up and add the USB_ prefix on to them, and fix up all
in-kernel usages. This included deleting the duplicate copy in the
net2272.h file.
Cc: Felipe Balbi <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Mathias Nyman <[email protected]>
Cc: Pawel Laszczak <[email protected]>
Cc: YueHaibing <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Jason Yan <[email protected]>
Cc: Jia-Ju Bai <[email protected]>
Cc: Stephen Boyd <[email protected]>
Cc: Christophe JAILLET <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Jules Irenge <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Thinh Nguyen <[email protected]>
Cc: Rob Gill <[email protected]>
Cc: Macpaul Lin <[email protected]>
Acked-by: Minas Harutyunyan <[email protected]>
Acked-by: Bin Liu <[email protected]>
Acked-by: Chunfeng Yun <[email protected]>
Acked-by: Peter Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The number of FIFOs may be lower than the number of endpoints. Use the
correct total when printing FIFO details in debugfs.
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: John Keeping <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Now the USB gadget subsystem can use the USB debugfs root directory,
so move dwc2's directory from the root of the debugfs filesystem into
the root of usb
Signed-off-by: Chunfeng Yun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Added core parameter for service interval based scheduling.
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Grigor Tovmasyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Added hsotg argument to dwc2_readl/writel function prototype,
and also instead of address pass offset of register.
hsotg will contain flag field for endianness.
Also customized dwc2_set_bit and dwc2_clear_bit function for
dwc2_readl/writel functions.
Signed-off-by: Gevorg Sahakyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Cc: Minas Harutyunyan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Added descriptions for all not described parameters.
Fix all kernel doc's warnings.
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Grigor Tovmasyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Dumping the registers via debugfs makes USB on Raspberry Pi completely
unusable. The read of register GRXSTSP ("Receive Status Read and Pop
Register") is responsible for this behaviour, because it pops the RX FIFO.
So avoid this by omitting the relevant register.
CC: Mian Yousaf Kaukab <[email protected]>
Fixes: 563cf017c443 ("usb: dwc2: debugfs: add support for complete register dump")
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Stefan Wahren <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Added GHWCFG4_IPG_ISOC_SUPPORTED and DCFG_IPG_ISOC_SUPPORDED
bits definitions to enable/disable IPG feature.
Added ipg_isoc_en core parameter which will indicate IPG support
enable/disable and initialize it.
Signed-off-by: Grigor Tovmasyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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No-op change, only rename.
This code was misnamed originally. It was only responsible for partial
power down and not for hibernation.
Rename core_params->hibernation to core_params->power_down,
dwc2_set_param_hibernation() to dwc2_set_param_power_down().
Signed-off-by: Vardan Mikayelyan <[email protected]>
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Grigor Tovmasyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Add lpm, lpm_clock_gating, besl, hird_threshold_en and hird_threshold
core parameters. These will indicate LPM and LPM Errata support
as well as chosen L1 sleeping mode for the core and PHY.
Signed-off-by: Sevak Arakelyan <[email protected]>
Signed-off-by: Grigor Tovmasyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
Cc: John Youn <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Now that the SPDX tag is in all USB files, that identifies the license
in a specific and legally-defined manner. So the extra GPL text wording
can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: John Youn <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/usb/ and include/linux/usb* files with the correct
SPDX license identifier based on the license text in the file itself.
The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <[email protected]>
Cc: Kate Stewart <[email protected]>
Cc: Philippe Ombredanne <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Acked-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Show the value of dr_mode via a debufs file.
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Show the core params and hardware params.
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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This commmit is the result of running checkpatch --fix.
The results were verified for correctness. Some of the fixes result in
line over 80 char which we will fix manually later.
The following is a summary of what was done by checkpatch:
* Remove externs on function prototypes.
* Replace symbolic permissions with octal.
* Align code to open parens.
* Replace 'unsigned' with 'unsigned int'.
* Remove unneccessary blank lines.
* Add blank lines after declarations.
* Add spaces around operators.
* Remove unnecessary spaces after casts.
* Replace 'x == NULL' with '!x'.
* Replace kzalloc() with kcalloc().
* Concatenate multi-line strings.
* Use the BIT() macro.
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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NPTXFIFO's start address is showing 0x03000000 instead of 0x00000800.
Replaced val & FIFOSIZE_DEPTH_MASK by val & FIFOSIZE_STARTADDR_MASK in
fifo_show() function.
Signed-off-by: Razmik Karapetyan <[email protected]>
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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This patch switches calls to readl/writel to their
dwc2_readl/dwc2_writel equivalents which preserve platform endianness.
This patch is necessary to access dwc2 registers correctly on big-endian
systems such as the mips based SoCs made by Lantiq. Then dwc2 can be
used to replace ifx-hcd driver for Lantiq platforms found e.g. in
OpenWrt.
The patch was autogenerated with the following commands:
$EDITOR core.h
sed -i "s/\<readl\>/dwc2_readl/g" *.c hcd.h hw.h
sed -i "s/\<writel\>/dwc2_writel/g" *.c hcd.h hw.h
Some files were then hand-edited to fix checkpatch.pl warnings about
too long lines.
Signed-off-by: Antti Seppälä <[email protected]>
Signed-off-by: Vincent Pelletier <[email protected]>
Signed-off-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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this driver has long ago became dwc2.ko with
both peripheral and host roles, there's no point
in keeping the old function names.
Acked-by: John Youn <[email protected]>
Tested-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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As dwc2 pci module is now exporting dwc2 platform device, include
platform.o in dwc2-y and remove USB_DWC2_PLATFORM configuration
option. Driver will be built as two modules, dwc2.ko and dwc2_pci.ko.
dwc2.ko is the new platform driver.
Remove all EXPORT_SYMBOL_GPL as they are not needed any more.
Acked-by: John Youn <[email protected]>
Signed-off-by: Mian Yousaf Kaukab <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Dump all registers to take a complete snapshot of dwc2 state.
Code is inspired by dwc3/debugfs.c
Acked-by: John Youn <[email protected]>
Signed-off-by: Mian Yousaf Kaukab <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Prepare to add more debug code. Moreover, don't save dentry * for
each file in struct dwc2_hsotg as clean up is done with
debugfs_remove_recursive(). s3c_hsotg_delete_debug() is removed
altogether for the same reason.
Acked-by: John Youn <[email protected]>
Signed-off-by: Mian Yousaf Kaukab <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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