usb: renesas_usbhs: support byte addressable CFIFO

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Some SoC have a CFIFO register that is byte addressable. This means
when the CFIFO access is set to 32-bit, you can write 8-bit values to
addresses CFIFO+0, CFIFO+1, CFIFO+2, CFIFO+3.

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Chris Brandt 2019-05-15 10:20:43 -05:00 • committed by Greg Kroah-Hartman

parent 2195e3af90

commit f756066990

2 changed files with 8 additions and 2 deletions

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9

drivers/usb/renesas_usbhs/fifo.c

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1

include/linux/usb/renesas_usbhs.h

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