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authorBrett Creeley <brett.creeley@amd.com>2023-06-05 22:51:16 +0300
committerJakub Kicinski <kuba@kernel.org>2023-06-07 07:10:01 +0300
commit4f48c30312b7af5365878ab191bb41e7b899e09b (patch)
treed4ec7b553ea03fdabe90dff2cd2cdb2d695adec6
parent82a01ab35bd02ba4b0b4e12bc95c5b69240eb7b0 (diff)
downloadlinux-4f48c30312b7af5365878ab191bb41e7b899e09b.tar.xz
pds_core: Fix FW recovery detection
Commit 523847df1b37 ("pds_core: add devcmd device interfaces") included initial support for FW recovery detection. Unfortunately, the ordering in pdsc_is_fw_good() was incorrect, which was causing FW recovery to be undetected by the driver. Fix this by making sure to update the cached fw_status by calling pdsc_is_fw_running() before setting the local FW gen. Fixes: 523847df1b37 ("pds_core: add devcmd device interfaces") Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230605195116.49653-1-brett.creeley@amd.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/amd/pds_core/dev.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/amd/pds_core/dev.c b/drivers/net/ethernet/amd/pds_core/dev.c
index f7c597ea5daf..debe5216fe29 100644
--- a/drivers/net/ethernet/amd/pds_core/dev.c
+++ b/drivers/net/ethernet/amd/pds_core/dev.c
@@ -68,9 +68,15 @@ bool pdsc_is_fw_running(struct pdsc *pdsc)
bool pdsc_is_fw_good(struct pdsc *pdsc)
{
- u8 gen = pdsc->fw_status & PDS_CORE_FW_STS_F_GENERATION;
+ bool fw_running = pdsc_is_fw_running(pdsc);
+ u8 gen;
- return pdsc_is_fw_running(pdsc) && gen == pdsc->fw_generation;
+ /* Make sure to update the cached fw_status by calling
+ * pdsc_is_fw_running() before getting the generation
+ */
+ gen = pdsc->fw_status & PDS_CORE_FW_STS_F_GENERATION;
+
+ return fw_running && gen == pdsc->fw_generation;
}
static u8 pdsc_devcmd_status(struct pdsc *pdsc)