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Commit 0b0f3a1b authored by Jens Taprogge's avatar Jens Taprogge Committed by Greg Kroah-Hartman
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Staging: ipack: Obtain supported speeds from ID ROM. 



Signed-off-by: default avatarJens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: default avatarSamuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent eb12d88b

drivers/staging/ipack/ipack.c

+6 −0
Original line number Diff line number Diff line
@@ -262,15 +262,21 @@ static void ipack_parse_id1(struct ipack_device *dev) 


	dev->id_vendor = id[4];

	dev->id_device = id[5];

	dev->speed_8mhz = 1;

	dev->speed_32mhz = (id[7] == 'H');

}



static void ipack_parse_id2(struct ipack_device *dev)

{

	__be16 *id = (__be16 *) dev->id;

	u16 flags;



	dev->id_vendor = ((be16_to_cpu(id[3]) & 0xff) << 16)

			 + be16_to_cpu(id[4]);

	dev->id_device = be16_to_cpu(id[5]);

	flags = be16_to_cpu(id[10]);

	dev->speed_8mhz = !!(flags & 2);

	dev->speed_32mhz = !!(flags & 4);

}



static int ipack_device_read_id(struct ipack_device *dev)

drivers/staging/ipack/ipack.h

+2 −0
Original line number Diff line number Diff line
@@ -79,6 +79,8 @@ struct ipack_device { 
	u32			 id_vendor;

	u32			 id_device;

	u8			 id_format;

	unsigned int		 speed_8mhz:1;

	unsigned int		 speed_32mhz:1;

};



/**