[PATCH 12/12] iwlwifi: yoyo: fix issue with new DBGI_SRAM region read.
From: Luca Coelho <hidden>
Date: 2021-12-19 11:28:56
Subsystem:
intel wireless wifi link (iwlwifi), the rest · Maintainers:
Miri Korenblit, Linus Torvalds
From: Mukesh Sisodiya <redacted> 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: Luca Coelho <redacted> --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 35af228be3aa..7ad9cee925da 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) {
--
2.34.1