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From: Zhongqiu Han <quic_zhonhan@quicinc.com>
To: <Thinh.Nguyen@synopsys.com>, <gregkh@linuxfoundation.org>,
<mathias.nyman@intel.com>
CC: <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
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Subject: [PATCH 0/2] usb: Call cpu_relax() when polling registers
Date: Tue, 20 Aug 2024 20:14:59 +0800
Message-ID: <20240820121501.3593245-1-quic_zhonhan@quicinc.com>
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| Series |
usb: Call cpu_relax() when polling registers
|
expand
|
This series adds cpu_relax() in registers polling busy loops and it is a well-known idiom in the kernel. Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com> --- Zhongqiu Han (2): usb: dwc3: core: Call cpu_relax() in registers polling busy loops usb: xhci: ext-caps: Use cpu_relax() when polling registers drivers/usb/dwc3/core.c | 2 ++ drivers/usb/host/xhci-ext-caps.h | 2 ++ 2 files changed, 4 insertions(+) base-commit: 469f1bad3c1c6e268059f78c0eec7e9552b3894c