usb: renesas-xhci: add version 0x2020 as valid

Message ID 20200816094949.349878-1-vkoul@kernel.org
State New
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Series
  • usb: renesas-xhci: add version 0x2020 as valid
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Commit Message

Vinod Koul Aug. 16, 2020, 9:49 a.m.
Some devices in wild are reporting firmware version as 0x2020, so add
that as well

Reported by: Anastasios Vacharakis <vacharakis@gmail.com>
Reported by: Glen Journeay <journeay@gmail.com>
Fixes: 2478be82de44 ("usb: renesas-xhci: Add ROM loader for uPD720201")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208911
Signed-off-by: Vinod Koul <vkoul@kernel.org>

---
Greg, this fixes regression for folks with preprogrammed controllers with
firmware version 0x2020, please mark as stable material

 drivers/usb/host/xhci-pci-renesas.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

-- 
2.26.2

Patch

diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c
index 59b1965ad0a3..03875cd28ddd 100644
--- a/drivers/usb/host/xhci-pci-renesas.c
+++ b/drivers/usb/host/xhci-pci-renesas.c
@@ -50,14 +50,16 @@ 
 #define RENESAS_RETRY	10000
 #define RENESAS_DELAY	10
 
-#define ROM_VALID_01 0x2013
-#define ROM_VALID_02 0x2026
+#define ROM_VALID_01 0x2020
+#define ROM_VALID_02 0x2013
+#define ROM_VALID_03 0x2026
 
 static int renesas_verify_fw_version(struct pci_dev *pdev, u32 version)
 {
 	switch (version) {
 	case ROM_VALID_01:
 	case ROM_VALID_02:
+	case ROM_VALID_03:
 		return 0;
 	}
 	dev_err(&pdev->dev, "FW has invalid version :%d\n", version);