linux-kernel - RE: [PATCH] usb: renesas_usbhs: fix _

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Date:   Wed, 16 Oct 2019 02:35:07 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>,
        "linux-kernel@...ts.codethink.co.uk" 
        <linux-kernel@...ts.codethink.co.uk>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Simon Horman <horms+renesas@...ge.net.au>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] usb: renesas_usbhs: fix __le16 warnings

Hi Ben,

> From: Ben Dooks (Codethink), Sent: Wednesday, October 16, 2019 12:51 AM
> 
> Fix the warnings generated by casting to/from __le16 without
> using the correct functions.
> 
> Fixes the following sparse warnings:
> 
> drivers/usb/renesas_usbhs/common.c:165:25: warning: incorrect type in assignment (different base types)
> drivers/usb/renesas_usbhs/common.c:165:25:    expected restricted __le16 [usertype] wValue
> drivers/usb/renesas_usbhs/common.c:165:25:    got unsigned short
> drivers/usb/renesas_usbhs/common.c:166:25: warning: incorrect type in assignment (different base types)
> drivers/usb/renesas_usbhs/common.c:166:25:    expected restricted __le16 [usertype] wIndex
> drivers/usb/renesas_usbhs/common.c:166:25:    got unsigned short
> drivers/usb/renesas_usbhs/common.c:167:25: warning: incorrect type in assignment (different base types)
> drivers/usb/renesas_usbhs/common.c:167:25:    expected restricted __le16 [usertype] wLength
> drivers/usb/renesas_usbhs/common.c:167:25:    got unsigned short
> drivers/usb/renesas_usbhs/common.c:173:39: warning: incorrect type in argument 3 (different base types)
> drivers/usb/renesas_usbhs/common.c:173:39:    expected unsigned short [usertype] data
> drivers/usb/renesas_usbhs/common.c:173:39:    got restricted __le16 [usertype] wValue
> drivers/usb/renesas_usbhs/common.c:174:39: warning: incorrect type in argument 3 (different base types)
> drivers/usb/renesas_usbhs/common.c:174:39:    expected unsigned short [usertype] data
> drivers/usb/renesas_usbhs/common.c:174:39:    got restricted __le16 [usertype] wIndex
> drivers/usb/renesas_usbhs/common.c:175:39: warning: incorrect type in argument 3 (different base types)
> drivers/usb/renesas_usbhs/common.c:175:39:    expected unsigned short [usertype] data
> 
> Note. I belive this to be correct, and should be a no-op on arm.
> 
> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>

Thank you for the patch!

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

Best regards,
Yoshihiro Shimoda