Christoph Hellwig 7b81cb6bdd usb: add a HCD_DMA flag instead of guestimating DMA capabilities ... The usb core is the only major place in the kernel that checks for a non-NULL device dma_mask to see if a device is DMA capable. This is generally a bad idea, as all major busses always set up a DMA mask, even if the device is not DMA capable - in fact bus layers like PCI can't even know if a device is DMA capable at enumeration time. This leads to lots of workaround in HCD drivers, and also prevented us from setting up a DMA mask for platform devices by default last time we tried. Replace this guess with an explicit HCD_DMA that is set by drivers that appear to have DMA support. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20190816062435.881-4-hch@lst.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2019-08-21 10:03:35 -07:00
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Kconfig	soc: sunxi: Fix missing dependency on REGMAP_MMIO	2019-04-30 17:55:08 +02:00
Makefile	usb: musb: remove blackfin port	2018-03-26 15:57:12 +02:00
am35x.c	usb: musb: remove references to default_a of struct usb_otg	2018-05-22 12:03:25 +02:00
cppi_dma.c	USB: add SPDX identifiers to all remaining files in drivers/usb/	2017-11-04 11:48:02 +01:00
cppi_dma.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
da8xx.c	usb: musb: remove an unused variable	2018-05-31 12:44:39 +02:00
davinci.c	usb: musb: remove references to default_a of struct usb_otg	2018-05-22 12:03:25 +02:00
davinci.h	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
jz4740.c	usb: musb: jz4740: obtain USB PHY from devicetree	2019-04-30 17:55:08 +02:00
musb_am335x.c	USB: add SPDX identifiers to all remaining files in drivers/usb/	2017-11-04 11:48:02 +01:00
musb_core.c	USB: musb: convert platform driver to use dev_groups	2019-08-08 07:52:04 +02:00
musb_core.h	usb: musb: remove duplicated port mode enum	2018-05-22 12:03:25 +02:00
musb_cppi41.c	usb: musb: remove duplicated quirks flag	2018-05-22 12:03:24 +02:00
musb_debug.h	USB: musb: clean up debugfs file and directory creation	2018-05-31 12:54:21 +02:00
musb_debugfs.c	USB: musb: clean up debugfs file and directory creation	2018-05-31 12:54:21 +02:00
musb_dma.h	usb: musb: remove duplicated quirks flag	2018-05-22 12:03:24 +02:00
musb_dsps.c	usb: musb: dsps: Use dev_get_drvdata()	2019-04-30 17:55:08 +02:00
musb_gadget.c	usb: gadget: musb: fix short isoc packets with inventra dma	2019-01-30 15:48:10 +01:00
musb_gadget.h	usb: musb: gadget: fix to_musb_ep() to not return NULL	2018-05-22 12:03:25 +02:00
musb_gadget_ep0.c	usb: musb: gadget: misplaced out of bounds check	2018-03-29 18:37:28 +02:00
musb_host.c	usb: add a HCD_DMA flag instead of guestimating DMA capabilities	2019-08-21 10:03:35 -07:00
musb_host.h	usb: musb: fix remote wakeup racing with suspend	2018-05-14 17:04:06 +02:00
musb_io.h	usb: musb: remove duplicated quirks flag	2018-05-22 12:03:24 +02:00
musb_regs.h	usb: musb: remove some register access wrapper functions	2018-05-22 12:03:24 +02:00
musb_trace.c	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
musb_trace.h	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
musb_virthub.c	usb: musb: remove duplicated port mode enum	2018-05-22 12:03:25 +02:00
musbhsdma.c	usb: gadget: musb: fix short isoc packets with inventra dma	2019-01-30 15:48:10 +01:00
omap2430.c	usb: musb: omap2430: Add support for idling phy when musb is idle	2019-04-30 17:55:08 +02:00
omap2430.h	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
sunxi.c	usb: musb: remove references to default_a of struct usb_otg	2018-05-22 12:03:25 +02:00
tusb6010.c	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
tusb6010.h	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
tusb6010_omap.c	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00
ux500.c	usb: musb: remove references to default_a of struct usb_otg	2018-05-22 12:03:25 +02:00
ux500_dma.c	USB: musb: Remove redundant license text	2017-11-07 15:45:01 +01:00