From: Jens Taprogge Date: Tue, 11 Sep 2012 11:34:57 +0000 (+0200) Subject: Staging: ipack: Obtain supported speeds from ID ROM. X-Git-Tag: firefly_0821_release~3680^2~1977^2~347 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0b0f3a1bee7f321b92ffc37d8b32d1ce412a285c;p=firefly-linux-kernel-4.4.55.git Staging: ipack: Obtain supported speeds from ID ROM. Signed-off-by: Jens Taprogge Signed-off-by: Samuel Iglesias Gonsálvez Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/ipack/ipack.c b/drivers/staging/ipack/ipack.c index af47772da515..c36ba9ee7ef1 100644 --- a/drivers/staging/ipack/ipack.c +++ b/drivers/staging/ipack/ipack.c @@ -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) diff --git a/drivers/staging/ipack/ipack.h b/drivers/staging/ipack/ipack.h index a13330423389..89af9e4ee0dc 100644 --- a/drivers/staging/ipack/ipack.h +++ b/drivers/staging/ipack/ipack.h @@ -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; }; /**