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iwlwifi: yoyo: fix issue with new DBGI_SRAM region read.

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NIC has been grabbed for reading twice which is leading
to NIC hang. Code correction are done for reading data with
no grab function.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219132536.55527214f8c9.I1748215ccb3fa20a3491a46a49b12e04eb560ac6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Mukesh Sisodiya 2021-12-19 13:28:36 +02:00 committed by Luca Coelho
parent 0c91204517
commit c3c3e9a7d0
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
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@ -1564,7 +1564,7 @@ iwl_dump_ini_dbgi_sram_iter(struct iwl_fw_runtime *fwrt,
iwl_write_prph_no_grab(fwrt->trans, DBGI_SRAM_TARGET_ACCESS_CFG,
DBGI_SRAM_TARGET_ACCESS_CFG_RESET_ADDRESS_MSK);
for (i = 0; i < (le32_to_cpu(reg->dev_addr.size) / 4); i++) {
prph_data = iwl_read_prph(fwrt->trans, (i % 2) ?
prph_data = iwl_read_prph_no_grab(fwrt->trans, (i % 2) ?
DBGI_SRAM_TARGET_ACCESS_RDATA_MSB :
DBGI_SRAM_TARGET_ACCESS_RDATA_LSB);
if (prph_data == 0x5a5a5a5a) {