| From | Samuel Iglesias Gonsálvez <> | Subject | [PATCH 04/20] Staging: ipack: Obtain supported speeds from ID ROM. | Date | Mon, 10 Sep 2012 10:51:42 +0200 |
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From: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org> Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> --- drivers/staging/ipack/ipack.c | 6 ++++++ drivers/staging/ipack/ipack.h | 2 ++ 2 files changed, 8 insertions(+)
diff --git a/drivers/staging/ipack/ipack.c b/drivers/staging/ipack/ipack.c index b3736c0..521ff55 100644 --- a/drivers/staging/ipack/ipack.c +++ b/drivers/staging/ipack/ipack.c @@ -261,15 +261,21 @@ 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) != 0); + dev->speed_32mhz = ((flags & 4) != 0); } 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 0526613..cb77494 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; }; /** -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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