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-rw-r--r--usb-renesas-xhci-fix-handling-of-unknown-rom-state.patch64
1 files changed, 0 insertions, 64 deletions
diff --git a/usb-renesas-xhci-fix-handling-of-unknown-rom-state.patch b/usb-renesas-xhci-fix-handling-of-unknown-rom-state.patch
deleted file mode 100644
index f82ebc082..000000000
--- a/usb-renesas-xhci-fix-handling-of-unknown-rom-state.patch
+++ /dev/null
@@ -1,64 +0,0 @@
-commit 926bb4ece936dcb83421e55f08eb3055628bca2f
-Author: Moritz Fischer <mdf@kernel.org>
-Date: Sat Jul 17 15:33:32 2021 -0700
-
- usb: renesas-xhci: Fix handling of unknown ROM state
-
- Justin,
-
- On Sat, Jul 17, 2021 at 08:39:19AM -0500, Justin Forbes wrote:
- > On Mon, Jul 12, 2021 at 2:31 AM Greg Kroah-Hartman
- > <gregkh@linuxfoundation.org> wrote:
- > >
- > > From: Moritz Fischer <mdf@kernel.org>
- > >
- > > commit d143825baf15f204dac60acdf95e428182aa3374 upstream.
- > >
- > > The ROM load sometimes seems to return an unknown status
- > > (RENESAS_ROM_STATUS_NO_RESULT) instead of success / fail.
- > >
- > > If the ROM load indeed failed this leads to failures when trying to
- > > communicate with the controller later on.
- > >
- > > Attempt to load firmware using RAM load in those cases.
- > >
- > > Fixes: 2478be82de44 ("usb: renesas-xhci: Add ROM loader for uPD720201")
- > > Cc: stable@vger.kernel.org
- > > Cc: Mathias Nyman <mathias.nyman@intel.com>
- > > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- > > Cc: Vinod Koul <vkoul@kernel.org>
- > > Tested-by: Vinod Koul <vkoul@kernel.org>
- > > Reviewed-by: Vinod Koul <vkoul@kernel.org>
- > > Signed-off-by: Moritz Fischer <mdf@kernel.org>
- > > Link: https://lore.kernel.org/r/20210615153758.253572-1-mdf@kernel.org
- > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- > >
- >
- > After sending out 5.12.17 for testing, we had a user complain that all
- > of their USB devices disappeared with the error:
- >
- > Jul 15 23:18:53 kernel: xhci_hcd 0000:04:00.0: Direct firmware load
- > for renesas_usb_fw.mem failed with error -2
- > Jul 15 23:18:53 kernel: xhci_hcd 0000:04:00.0: request_firmware failed: -2
- > Jul 15 23:18:53 kernel: xhci_hcd: probe of 0000:04:00.0 failed with error -2
-
- This looks like it fails finding the actual firmware file (ENOENT). Any
- chance you could give this a whirl on top of the original patch?
-
-diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
-index 18c2bbddf080..cde8f6f1ec5d 100644
---- a/drivers/usb/host/xhci-pci.c
-+++ b/drivers/usb/host/xhci-pci.c
-@@ -379,7 +379,11 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
- driver_data = (struct xhci_driver_data *)id->driver_data;
- if (driver_data && driver_data->quirks & XHCI_RENESAS_FW_QUIRK) {
- retval = renesas_xhci_check_request_fw(dev, id);
-- if (retval)
-+ /*
-+ * If firmware wasn't found there's still a chance this might work without
-+ * loading firmware on some systems, so let's try at least.
-+ */
-+ if (retval && retval != -ENOENT)
- return retval;
- }
-