linux-kernel - Re: [PATCH] usb: mtu3: fix dma_addr

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Date:   Thu, 02 Nov 2017 17:38:20 +0200
From:   Felipe Balbi <felipe.balbi@...ux.intel.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: mtu3: fix dma_addr_t printk output again


Hi,

Arnd Bergmann <arnd@...db.de> writes:
> The support for 36-bit addresses originally came with an incorrect
> printk format for dma addresses. Felipe changed the format string it
> while applying, but the result was still incorrect, since we now have
> to pass a pointer to the address instead of the integer value:
>
> drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_tx_gpd':
> drivers/usb/mtu3/mtu3_qmu.c:261:25: error: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Werror=format=]
> drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_rx_gpd':
> drivers/usb/mtu3/mtu3_qmu.c:300:25: error: format '%p' expects argument of type 'void *', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Werror=format=]
>
> This fixes the printk argument accordingly.
>
> Fixes: 1a46dfea0841 ("usb: mtu3: support 36-bit DMA address")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

oh, so it wants a pointer afterall :-)

sorry.

Acked-by: Felipe Balbi <felipe.balbi@...ux.intel.com>

-- 
balbi