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authorJonas Gorski <jonas.gorski@bisdn.de>2023-08-02 11:23:56 +0200
committerJakub Kicinski <kuba@kernel.org>2023-08-03 10:56:49 -0700
commitb755c25fbcd568821a3bb0e0d5c2daa5fcb00bba (patch)
treedb75bd76cd1d9a5e696804390c670103c0f9ec3d /drivers/net/ethernet/marvell/prestera
parent0f71c9caf26726efea674646f566984e735cc3b9 (diff)
prestera: fix fallback to previous version on same major version
When both supported and previous version have the same major version, and the firmwares are missing, the driver ends in a loop requesting the same (previous) version over and over again: [ 76.327413] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.1.img firmware, fall-back to previous 4.0 version [ 76.339802] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.352162] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.364502] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.376848] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.389183] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.401522] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.413860] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version [ 76.426199] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.0.img firmware, fall-back to previous 4.0 version ... Fix this by inverting the check to that we aren't yet at the previous version, and also check the minor version. This also catches the case where both versions are the same, as it was after commit bb5dbf2cc64d ("net: marvell: prestera: add firmware v4.0 support"). With this fix applied: [ 88.499622] Prestera DX 0000:01:00.0: missing latest mrvl/prestera/mvsw_prestera_fw-v4.1.img firmware, fall-back to previous 4.0 version [ 88.511995] Prestera DX 0000:01:00.0: failed to request previous firmware: mrvl/prestera/mvsw_prestera_fw-v4.0.img [ 88.522403] Prestera DX: probe of 0000:01:00.0 failed with error -2 Fixes: 47f26018a414 ("net: marvell: prestera: try to load previous fw version") Signed-off-by: Jonas Gorski <jonas.gorski@bisdn.de> Acked-by: Elad Nachman <enachman@marvell.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Taras Chornyi <taras.chornyi@plvision.eu> Link: https://lore.kernel.org/r/20230802092357.163944-1-jonas.gorski@bisdn.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/marvell/prestera')
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_pci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_pci.c b/drivers/net/ethernet/marvell/prestera/prestera_pci.c
index f328d957b2db..35857dc19542 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_pci.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_pci.c
@@ -727,7 +727,8 @@ pick_fw_ver:
err = request_firmware_direct(&fw->bin, fw_path, fw->dev.dev);
if (err) {
- if (ver_maj == PRESTERA_SUPP_FW_MAJ_VER) {
+ if (ver_maj != PRESTERA_PREV_FW_MAJ_VER ||
+ ver_min != PRESTERA_PREV_FW_MIN_VER) {
ver_maj = PRESTERA_PREV_FW_MAJ_VER;
ver_min = PRESTERA_PREV_FW_MIN_VER;