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authorMukesh Sisodiya <mukesh.sisodiya@intel.com>2021-12-19 13:28:36 +0200
committerLuca Coelho <luciano.coelho@intel.com>2021-12-21 12:38:16 +0200
commitc3c3e9a7d0b1a3aadad334e54331bb654004880c (patch)
tree66dbfeaf79af771d2845cbe553443eb845da4c5a /drivers/net/wireless
parentiwlwifi: fw: fix some scan kernel-doc (diff)
downloadlinux-dev-c3c3e9a7d0b1a3aadad334e54331bb654004880c.tar.xz
linux-dev-c3c3e9a7d0b1a3aadad334e54331bb654004880c.zip
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 <mukesh.sisodiya@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20211219132536.55527214f8c9.I1748215ccb3fa20a3491a46a49b12e04eb560ac6@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.c2
1 files changed, 1 insertions, 1 deletions
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) {