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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 16:33:56 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 03:22:17 -0400 |
| commit | e436675f2a09ea389c1844507658f304924a2eca (patch) | |
| tree | 21d2885e5b6124faa8ff39e109d8b89316d8b70d /drivers/pnp/isapnp | |
| parent | 048825deea5f261335b5202cd1114c53a3a21ae7 (diff) | |
| download | lwn-e436675f2a09ea389c1844507658f304924a2eca.tar.gz lwn-e436675f2a09ea389c1844507658f304924a2eca.zip | |
PNP: change pnp_add_card_id() to allocate its own pnp_id structures
This moves some of the pnp_id knowledge out of the backends and into
the PNP core.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-By: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/isapnp')
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 727936a6befb..1949c18a7365 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -822,17 +822,18 @@ static unsigned char __init isapnp_checksum(unsigned char *data) static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor, unsigned short device) { - struct pnp_id *id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); + char id[8]; - if (!id) - return; - sprintf(id->id, "%c%c%c%x%x%x%x", - 'A' + ((vendor >> 2) & 0x3f) - 1, - 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, - 'A' + ((vendor >> 8) & 0x1f) - 1, - (device >> 4) & 0x0f, - device & 0x0f, (device >> 12) & 0x0f, (device >> 8) & 0x0f); - pnp_add_card_id(id, card); + id[0] = 'A' + ((vendor >> 2) & 0x3f) - 1; + id[1] = 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1; + id[2] = 'A' + ((vendor >> 8) & 0x1f) - 1; + id[3] = hex_asc((device >> 4) & 0x0f); + id[4] = hex_asc(device & 0x0f); + id[5] = hex_asc((device >> 12) & 0x0f); + id[6] = hex_asc((device >> 8) & 0x0f); + id[7] = '\0'; + + pnp_add_card_id(card, id); } /* |