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* [PATCH v3] usb: renesas-xhci: remove version check
@ 2020-08-18  7:17 Vinod Koul
  2020-08-18  7:31 ` Greg Kroah-Hartman
  0 siblings, 1 reply; 5+ messages in thread
From: Vinod Koul @ 2020-08-18  7:17 UTC (permalink / raw)
  To: Mathias Nyman, Greg Kroah-Hartman; +Cc: Vinod Koul, linux-usb, linux-kernel

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

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>
---
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


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-08-18  9:58 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-08-18  7:17 [PATCH v3] usb: renesas-xhci: remove version check Vinod Koul
2020-08-18  7:31 ` Greg Kroah-Hartman
2020-08-18  8:39   ` Vinod Koul
2020-08-18  8:46     ` Greg Kroah-Hartman
2020-08-18  9:58       ` Vinod Koul

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