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Don't need to read this config register if we're just going to

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overwrite it in the next line.
This commit is contained in:
Warner Losh 2003-04-08 06:54:10 +00:00
parent 9713a7922e
commit 307def65f1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113240
1 changed files with 1 additions and 2 deletions
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3
sys/dev/pccbb/pccbb.c
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@ -600,7 +600,6 @@ cbb_attach(device_t brdev)
* does this, we allow CardBus bridges to work on more
* machines.
*/
sockbase = pci_read_config(brdev, rid, 4);
pci_write_config(brdev, rid, 0xfffffffful, 4);
sockbase = pci_read_config(brdev, rid, 4);
sockbase = (sockbase & 0xfffffff0ul) &
@ -608,7 +607,7 @@ cbb_attach(device_t brdev)
sc->base_res = bus_generic_alloc_resource(
device_get_parent(brdev), brdev, SYS_RES_MEMORY,
&rid, cbb_start_mem, ~0, sockbase,
RF_ACTIVE|rman_make_alignment_flags(sockbase));
RF_ACTIVE | rman_make_alignment_flags(sockbase));
if (!sc->base_res) {
device_printf(brdev,
"Could not grab register memory\n");