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iwlwifi: virtualize iwl_{grab,release}_nic_access

Bladeren bron 
Since different transports have different ways to wake the
up the NIC, we need to virtualize it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach
2012-12-24 15:01:24 +02:00
gecommit door Johannes Berg
bovenliggende f317243a8b
commit 7a65d17053
8 gewijzigde bestanden met toevoegingen van 115 en 108 verwijderingen
Download Patch-bestand Download Diff-bestand Expand all files Collapse all files

8
drivers/net/wireless/iwlwifi/iwl-test.c
Bestand weergeven

@@ -467,13 +467,13 @@ static int iwl_test_indirect_read(struct iwl_test *tst, u32 addr, u32 size)
if (IWL_ABS_PRPH_START <= addr &&
addr < IWL_ABS_PRPH_START + PRPH_END) {
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_trans_grab_nic_access(trans, false);
iwl_write32(trans, HBUS_TARG_PRPH_RADDR,
addr | (3 << 24));
for (i = 0; i < size; i += 4)
*(u32 *)(tst->mem.addr + i) =
iwl_read32(trans, HBUS_TARG_PRPH_RDAT);
iwl_release_nic_access(trans);
iwl_trans_release_nic_access(trans);
spin_unlock_irqrestore(&trans->reg_lock, flags);
} else { /* target memory (SRAM) */
_iwl_read_targ_mem_dwords(trans, addr,
@@ -505,12 +505,12 @@ static int iwl_test_indirect_write(struct iwl_test *tst, u32 addr,
if (size < 4) {
memcpy(&val, buf, size);
spin_lock_irqsave(&trans->reg_lock, flags);
iwl_grab_nic_access(trans);
iwl_trans_grab_nic_access(trans, false);
iwl_write32(trans, HBUS_TARG_PRPH_WADDR,
(addr & 0x0000FFFF) |
((size - 1) << 24));
iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val);
iwl_release_nic_access(trans);
iwl_trans_release_nic_access(trans);
/* needed after consecutive writes w/o read */
mmiowb();
spin_unlock_irqrestore(&trans->reg_lock, flags);