[PATCH v2 04/20] Staging: ipack: Obtain supported speeds from ID ROM.
From: Samuel Iglesias GonsÃlvez
Date: Tue Sep 11 2012 - 07:39:26 EST
From: Jens Taprogge <jens.taprogge@xxxxxxxxxxxx>
Signed-off-by: Jens Taprogge <jens.taprogge@xxxxxxxxxxxx>
Signed-off-by: Samuel Iglesias GonsÃlvez <siglesias@xxxxxxxxxx>
---
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 af47772..c36ba9e 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 a133304..89af9e4 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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