[PATCH v3] usb: renesas-xhci: remove version check

From: Vinod Koul
Date: Tue Aug 18 2020 - 03:17:55 EST


Some devices in wild are reporting bunch of firmware versions, so remove
the check for versions in driver

Reported by: Anastasios Vacharakis <vacharakis@xxxxxxxxx>
Reported by: Glen Journeay <journeay@xxxxxxxxx>
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@xxxxxxxxxx>
---
Changes in v3:
- drop additional firmware versions and remove the check

Greg, this fixes regression for folks with preprogrammed controllers
please mark as stable material

drivers/usb/host/xhci-pci-renesas.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c
index 59b1965ad0a3..f97ac9f52bf4 100644
--- a/drivers/usb/host/xhci-pci-renesas.c
+++ b/drivers/usb/host/xhci-pci-renesas.c
@@ -50,20 +50,6 @@
#define RENESAS_RETRY 10000
#define RENESAS_DELAY 10

-#define ROM_VALID_01 0x2013
-#define ROM_VALID_02 0x2026
-
-static int renesas_verify_fw_version(struct pci_dev *pdev, u32 version)
-{
- switch (version) {
- case ROM_VALID_01:
- case ROM_VALID_02:
- return 0;
- }
- dev_err(&pdev->dev, "FW has invalid version :%d\n", version);
- return -EINVAL;
-}
-
static int renesas_fw_download_image(struct pci_dev *dev,
const u32 *fw, size_t step, bool rom)
{
@@ -202,10 +188,7 @@ static int renesas_check_rom_state(struct pci_dev *pdev)

version &= RENESAS_FW_VERSION_FIELD;
version = version >> RENESAS_FW_VERSION_OFFSET;
-
- err = renesas_verify_fw_version(pdev, version);
- if (err)
- return err;
+ dev_dbg(&pdev->dev, "Found ROM version: %x\n", version);

/*
* Test if ROM is present and loaded, if so we can skip everything
--
2.26.2