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This patch implements a few initial tracepoints for the
mtu3 driver. More traces can be added as necessary in order
to ease the task of debugging.
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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In order to support U3gen2 ISOC transfer upto 96DPs, extend
the data buffer length.
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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To support USB3 Gen2 ISOC, the data buffer length need be extended,
it's hard to make the current qmu_gpd struct compatible, so here
rebuild qmu_gpd struct and make easy to support new QMU format
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The local variable @req is unnecessary in qmu_tx_zlp_error_handler,
so remove it.
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/usb/mtu3/mtu3_qmu.c: In function 'qmu_tx_zlp_error_handler':
drivers/usb/mtu3/mtu3_qmu.c:385:22: warning:
variable 'req' set but not used [-Wunused-but-set-variable]
It seems dbginfo original intention is print 'req' other than 'mreq'
Acked-by: Chunfeng Yun <[email protected]>
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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The QMU checksum calculation is redundant, mostly used by debug,
so remove it here.
Signed-off-by: Chunfeng Yun <[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.
Acked-by: Chunfeng Yun <[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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The support for 36-bit addresses originally came with an incorrect
printk format for dma addresses. Felipe changed the format string it
while applying, but the result was still incorrect, since we now have
to pass a pointer to the address instead of the integer value:
drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_tx_gpd':
drivers/usb/mtu3/mtu3_qmu.c:261:25: error: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Werror=format=]
drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_rx_gpd':
drivers/usb/mtu3/mtu3_qmu.c:300:25: error: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Werror=format=]
This fixes the printk argument accordingly.
Fixes: 1a46dfea0841 ("usb: mtu3: support 36-bit DMA address")
Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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add support for 36-bit DMA address
[ Felipe Balbi: fix printk format for dma_addr_t ]
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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The only user of the functions mtu3_irq() and gpd_ring_empty() are in
the same file. They can be declared as static.
Signed-off-by: Sudip Mukherjee <[email protected]>
Acked-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This patch adds support for the MediaTek USB3 controller
integrated into MT8173. It currently supports High-Speed
Peripheral Only mode.
Super-Speed Peripheral, Dual-Role Device and Host Only (xHCI)
modes will be added in the next patchs.
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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