AuxXxilium/linux_dsm_epyc7002
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af5ec14d40
linux_dsm_epyc7002/drivers/usb/musb
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Sebastian Andrzej Siewior af5ec14d40 usb: musb: Perform only write access on MUSB_INTRRXE 
This is part of the workaround for AM35x advisory Advisory 1.1.20.
The advisory says that the IPSS bridge can't handle 8 & 16 bit read
access. An 16bit read access to MUSB_INTRRXE results in an 32bit read
access which also reads INTRUSB and therefore may lose interrupts.
This patch uses a shadow register of MUSB_INTRRXE so we only perform
write access to it.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-10-31 15:22:03 +02:00
..
am35x.c usb: musb: am35x: use platform_device_unregister in am35x_remove() 2012-10-26 11:09:04 +03:00
blackfin.c usb: musb: blackfin: use platform_device_unregister in bfin_remove() 2012-10-26 11:09:36 +03:00
blackfin.h usb: musb: drop a gigantic amount of ifdeferry 2011-07-01 14:31:10 -07:00
cppi_dma.c usb: musb: Make dma_controller_create __devinit 2012-08-09 18:05:07 +03:00
cppi_dma.h headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
da8xx.c usb: musb: da8xx: use platform_device_unregister in da8xx_remove() 2012-10-26 11:09:46 +03:00
davinci.c usb: musb: davinci: use platform_device_unregister in davinci_remove() 2012-10-26 11:09:53 +03:00
davinci.h usb: musb: davinci: Fix build breakage 2012-06-04 18:29:42 +03:00
Kconfig usb: musb: patches for v3.7 merge window 2012-09-11 13:56:29 -07:00
Makefile usb: musb: Add support for ti81xx platform 2012-05-04 13:59:34 +03:00
musb_core.c usb: musb: Perform only write access on MUSB_INTRRXE 2012-10-31 15:22:03 +02:00
musb_core.h usb: musb: Perform only write access on MUSB_INTRRXE 2012-10-31 15:22:03 +02:00
musb_debug.h usb: musb: remove extern qualifier from musb_debug.h header 2011-12-21 13:21:02 +02:00
musb_debugfs.c usb: musb: kill global and static for multi instance 2012-09-11 17:34:45 +03:00
musb_dma.h usb: musb: Make dma_controller_create __devinit 2012-08-09 18:05:07 +03:00
musb_dsps.c usb: musb: dsps: use platform_device_unregister in dsps_delete_musb_pdev() 2012-10-26 11:10:22 +03:00
musb_gadget_ep0.c usb: musb: avoid FADDR read access 2012-10-31 15:21:01 +02:00
musb_gadget.c usb: musb: Perform only write access on MUSB_INTRRXE 2012-10-31 15:22:03 +02:00
musb_gadget.h usb: musb: gadget: do not poke with gadget's list_head 2011-02-17 21:11:46 +02:00
musb_host.c Merge 3.6-rc6 into usb-next 2012-09-16 20:42:46 -07:00
musb_host.h usb: musb: host: Handle highmem in PIO mode 2012-08-07 14:27:18 +03:00
musb_io.h xtensa: adopt generic io routines 2012-10-03 15:11:42 -07:00
musb_regs.h usb: musb: tusb6010: fix compilation 2011-08-12 11:52:50 +03:00
musb_virthub.c usb: musb: drop useless board_mode usage 2012-08-09 12:34:46 +03:00
musbhsdma.c Merge 3.6-rc6 into usb-next 2012-09-16 20:42:46 -07:00
musbhsdma.h Merge branches 'devel-cleanup', 'devel-board', 'devel-early-init' and 'devel-ti816x' into omap-for-linus 2011-02-16 11:32:38 -08:00
omap2430.c usb: musb: add musb_ida for multi instance support 2012-09-11 17:34:41 +03:00
omap2430.h usb: musb: omap: write directly to mailbox instead of using phy 2012-09-11 12:13:22 +03:00
tusb6010_omap.c ARM: soc: general cleanups 2012-10-01 18:19:05 -07:00
tusb6010.c usb: musb: tusb6010: use platform_device_unregister in tusb_remove() 2012-10-26 11:10:33 +03:00
tusb6010.h USB: musb: Remove my email address from few musb related drivers 2009-04-23 14:15:27 -07:00
ux500_dma.c ARM: soc: multiplatform enablement 2012-10-01 19:11:38 -07:00
ux500.c usb: musb: ux500: use platform_device_unregister in ux500_remove() 2012-10-26 11:10:39 +03:00