From patchwork Thu Jul 2 08:47:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roese X-Patchwork-Id: 240610 List-Id: U-Boot discussion From: sr at denx.de (Stefan Roese) Date: Thu, 2 Jul 2020 10:47:30 +0200 Subject: [PATCH v1 1/4] usb: xhci: Add missing endian conversions (cpu_to_leXX / leXX_to_cpu) In-Reply-To: <20200702084733.2032531-1-sr@denx.de> References: <20200702084733.2032531-1-sr@denx.de> Message-ID: <20200702084733.2032531-2-sr@denx.de> While trying to use the U-Boot xHCI driver on the MIPS Octeon platform, which is big endian, I noticed that the driver is missing a few endian conversion calls. This patch adds these missing endian conversion calls. Signed-off-by: Stefan Roese Cc: Bin Meng Cc: Marek Vasut --- drivers/usb/host/xhci-mem.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 2d968aafb0..bd959b4093 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -110,7 +110,7 @@ static void xhci_scratchpad_free(struct xhci_ctrl *ctrl) ctrl->dcbaa->dev_context_ptrs[0] = 0; - free((void *)(uintptr_t)ctrl->scratchpad->sp_array[0]); + free((void *)le64_to_cpu(ctrl->scratchpad->sp_array[0])); free(ctrl->scratchpad->sp_array); free(ctrl->scratchpad); ctrl->scratchpad = NULL; @@ -225,7 +225,8 @@ static void xhci_link_segments(struct xhci_segment *prev, prev->next = next; if (link_trbs) { val_64 = (uintptr_t)next->trbs; - prev->trbs[TRBS_PER_SEGMENT-1].link.segment_ptr = val_64; + prev->trbs[TRBS_PER_SEGMENT-1].link.segment_ptr = + cpu_to_le64(val_64); /* * Set the last TRB in the segment to @@ -486,7 +487,7 @@ int xhci_alloc_virt_device(struct xhci_ctrl *ctrl, unsigned int slot_id) byte_64 = (uintptr_t)(virt_dev->out_ctx->bytes); /* Point to output device context in dcbaa. */ - ctrl->dcbaa->dev_context_ptrs[slot_id] = byte_64; + ctrl->dcbaa->dev_context_ptrs[slot_id] = cpu_to_le64(byte_64); xhci_flush_cache((uintptr_t)&ctrl->dcbaa->dev_context_ptrs[slot_id], sizeof(__le64)); @@ -768,7 +769,7 @@ void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl, debug("route string %x\n", route); #endif - slot_ctx->dev_info |= route; + slot_ctx->dev_info |= cpu_to_le32(route); switch (speed) { case USB_SPEED_SUPER: