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Subject[PATCH 04/20] Staging: ipack: Obtain supported speeds from ID ROM.
Date
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
--
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