diff mbox series

[17/21] iwlwifi: dbg_ini: allocate dram buffer with proper flags

Message ID 20190127101908.6428-18-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show
Series iwlwifi: updates intended for v5.1 2019-01-27 | expand

Commit Message

Luca Coelho Jan. 27, 2019, 10:19 a.m. UTC 
From: Shahar S Matityahu <shahar.s.matityahu@intel.com>

Use the same flags we use in the legacy buffer allocation.
Missing __GFP_NOWARN will cause an unwanted warning incase
we fail to allocate.
Missing __GFP_ZERO will give a buffer initially filled with
garbage which can make debug difficult in case our wrap count is zero.

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: d47902f9f71d ("iwlwifi: dbg: add apply point logic")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 917aafe1a9db..947f282c05a9 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -1697,8 +1697,10 @@  iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt,
 	    IWL_FW_INI_LOCATION_DRAM_PATH)
 		return;
 
-	virtual_addr = dma_alloc_coherent(fwrt->trans->dev, size,
-					  &phys_addr, GFP_KERNEL);
+	virtual_addr =
+		dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr,
+				   GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO |
+				   __GFP_COMP);
 
 	/* TODO: alloc fragments if needed */
 	if (!virtual_addr)