From: Mukesh Sisodiya Date: Sun, 19 Dec 2021 11:28:36 +0000 (+0200) Subject: iwlwifi: yoyo: fix issue with new DBGI_SRAM region read. X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c3c3e9a7d0b1a3aadad334e54331bb654004880c;p=linux.git iwlwifi: yoyo: fix issue with new DBGI_SRAM region read. 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 Link: https://lore.kernel.org/r/iwlwifi.20211219132536.55527214f8c9.I1748215ccb3fa20a3491a46a49b12e04eb560ac6@changeid Signed-off-by: Luca Coelho --- diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 35af228be3aa1..7ad9cee925da5 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -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) {