linux-kernel - Re: [PATCH v5 3/3] USB: ohci-nxp: Support for LPC32xx

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Message-ID: <20120310204955.GA14564@pengutronix.de>
Date:	Sat, 10 Mar 2012 21:49:55 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Roland Stigge <stigge@...com.de>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	kevin.wells@....com, linux-arm-kernel@...ts.infradead.org,
	arnd@...db.de
Subject: Re: [PATCH v5 3/3] USB: ohci-nxp: Support for LPC32xx


> -static void isp1301_configure(void)
> +static u16 i2c_read16(u8 subaddr)
> +{
> +	u16 data;
> +
> +	i2c_master_send(isp1301_i2c_client, &subaddr, 1);
> +	i2c_master_recv(isp1301_i2c_client, (u8 *) &data, 2);
> +
> +	return data;
> +}

Won't i2c_smbus_read_word_data(isp1301_i2c_client, reg) do?

And while we are at it: Could you also try replacing i2c_write() with
i2c_smbus_write_byte_data(isp1301_i2c_client, reg, val)?

No need to recode it (and in general, those solutions will also work with SMBus
for free)

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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