From: Wu Zhangjin Date: Mon, 4 Jan 2010 09:16:44 +0000 (+0800) Subject: MIPS: Loongson: Lemote-2F: USB: Not Emulate Non-Posted Writes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c70798f132818eaa79c48a08d0f19a7d61db8822;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git MIPS: Loongson: Lemote-2F: USB: Not Emulate Non-Posted Writes Without this patch, when copying large amounts of data between the USB storage devices and the hard disk, the USB device will disconnect regularly. Signed-off-by: Hu Hongbing Signed-off-by: Wu Zhangjin Cc: linux-mips@linux-mips.org Cc: yanh@lemote.com Cc: huhb@lemote.com Cc: zhangfx@lemote.com Patchwork: http://patchwork.linux-mips.org/patch/822/ Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/pci/fixup-lemote2f.c b/arch/mips/pci/fixup-lemote2f.c index caf2edeb02f0..4b9768d5d729 100644 --- a/arch/mips/pci/fixup-lemote2f.c +++ b/arch/mips/pci/fixup-lemote2f.c @@ -131,7 +131,7 @@ static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev) /* Serial short detect enable */ _rdmsr(USB_MSR_REG(USB_CONFIG), &hi, &lo); - _wrmsr(USB_MSR_REG(USB_CONFIG), (1 << 1) | (1 << 2) | (1 << 3), lo); + _wrmsr(USB_MSR_REG(USB_CONFIG), (1 << 1) | (1 << 3), lo); /* setting the USB2.0 micro frame length */ pci_write_config_dword(pdev, PCI_EHCI_FLADJ_REG, 0x2000);