linux-kernel - [PATCH 1/6] usb/ohci-sm501: remove the HCD

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Date:   Tue,  3 Sep 2019 10:46:10 +0200
From:   Christoph Hellwig <hch@....de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Lee Jones <lee.jones@...aro.org>
Cc:     Alan Stern <stern@...land.harvard.edu>, linux-usb@...r.kernel.org,
        usb-storage@...ts.one-eyed-alien.net, linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] usb/ohci-sm501: remove the HCD_DMA flag

This driver doesn't support normal DMA, only direct access to its
local memory.  Remove the HCD_DMA flag to properly express that fact.

Fixes: 1e4946c4412e ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
Reported-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/usb/host/ohci-sm501.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 0b2aea6e28d4..c158cda9e4b9 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -49,7 +49,7 @@ static const struct hc_driver ohci_sm501_hc_driver = {
 	 * generic hardware linkage
 	 */
 	.irq =			ohci_irq,
-	.flags =		HCD_USB11 | HCD_DMA | HCD_MEMORY,
+	.flags =		HCD_USB11 | HCD_MEMORY,
 
 	/*
 	 * basic lifecycle operations
-- 
2.20.1