linux.git/drivers/usb/cdns3, branch v5.19

usb: cdnsp: Fixed setting last_trb incorrectly

2022-06-10T09:15:23+00:00

When ZLP occurs in bulk transmission, currently cdnsp will set last_trb
for the last two TRBs, it will trigger an error "ERROR Transfer event TRB
DMA ptr not part of current TD ...".

Fixes: e913aada0683 ("usb: cdnsp: Fixed issue with ZLP")
Cc: stable 
Acked-by: Pawel Laszczak 
Signed-off-by: Jing Leng 
Link: https://lore.kernel.org/r/20220609021134.1606-1-3090101217@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman

usb: cdns3: allocate TX FIFO size according to composite EP number

2022-05-19T16:14:29+00:00

Some devices have USB compositions which may require multiple endpoints.
To get better performance, need bigger CDNS3_EP_BUF_SIZE.

But bigger CDNS3_EP_BUF_SIZE may exceed total hardware FIFO size when
multiple endpoints.

By introducing the check_config() callback, calculate CDNS3_EP_BUF_SIZE.

Move CDNS3_EP_BUF_SIZE into cnds3_device: ep_buf_size
Combine CDNS3_EP_ISO_SS_BURST and CDNS3_EP_ISO_HS_MULT into
cnds3_device:ep_iso_burst

Using a simple algorithm to calculate ep_buf_size.
ep_buf_size = ep_iso_burst = (onchip_buffers - 2k) / (number of IN EP +
1).

Test at 8qxp:

	Gadget			ep_buf_size

	RNDIS:				5
	RNDIS+ACM:			3
	Mass Storage + NCM + ACM	2

Previous CDNS3_EP_BUF_SIZE is 4, RNDIS + ACM will be failure because
exceed FIFO memory.

Acked-by: Peter Chen 
Signed-off-by: Frank Li 
Link: https://lore.kernel.org/r/20220509164055.1815081-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman

usb: cdns3: Fix issue for clear halt endpoint

2022-04-09T15:18:00+00:00

Path fixes bug which occurs during resetting endpoint in
__cdns3_gadget_ep_clear_halt function. During resetting endpoint
controller will change HW/DMA owned TRB. It set Abort flag in
trb->control and will change trb->length field. If driver want
to use the aborted trb it must update the changed field in
TRB.

Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
cc: 
Acked-by: Peter Chen 
Signed-off-by: Pawel Laszczak 
Link: https://lore.kernel.org/r/20220329084605.4022-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman

Merge tag 'v5.17-rc2' into usb-next

2022-01-31T09:13:10+00:00

We need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: Fix segmentation fault in cdns_lost_power function

2022-01-26T13:11:16+00:00

CDNSP driver read not initialized cdns->otg_v0_regs
which lead to segmentation fault. Patch fixes this issue.

Fixes: 2cf2581cd229 ("usb: cdns3: add power lost support for system resume")
cc: 
Signed-off-by: Pawel Laszczak 
Link: https://lore.kernel.org/r/20220111090737.10345-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: remove not used temp_64 variables

2022-01-26T12:59:23+00:00

Patch removes initialized but not used variables temp_64
from cdnsp_run function.

Reported-by: kernel test robot 
Reviewed-by: Peter Chen 
Signed-off-by: Pawel Laszczak 
Link: https://lore.kernel.org/r/20220111114449.44402-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: fix cdnsp_decode_trb function to properly handle ret value

2022-01-26T12:59:20+00:00

Variable ret in function cdnsp_decode_trb is initialized but not
used. To fix this compiler warning patch adds checking whether the
data buffer has not been overflowed.

Reported-by: kernel test robot 
Signed-off-by: Pawel Laszczak 
Link: https://lore.kernel.org/r/20220112053237.14309-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman

headers/prep: Fix non-standard header section: drivers/usb/cdns3/core.h

2022-01-05T15:17:31+00:00

Signed-off-by: Ingo Molnar 
Signed-off-by: Greg Kroah-Hartman

usb: cdns3: Use platform_get_irq_byname() to get the interrupt

2021-12-21T07:51:57+00:00

platform_get_resource_byname(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.

In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq_byname().

Reviewed-by: Roger Quadros 
Signed-off-by: Lad Prabhakar 
Link: https://lore.kernel.org/r/20211220010411.12075-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman

Merge 5.16-rc6 into usb-next

2021-12-20T08:58:10+00:00

We need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman