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Fri, 17 Sep 2021 08:19:54 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de Cc: Marek Szyprowski , Matthias Brugger , Nicolas Saenz Julienne , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH] arm: rpi: perform XHCI firmware upload only once Date: Fri, 17 Sep 2021 10:19:43 +0200 Message-Id: <20210917081943.13865-1-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJIsWRmVeSWpSXmKPExsWy7djPc7qr/V0SDY52MFtsnLGe1eLGrzZW i7VH7rJbLJj8BMh9qG3xdm8nuwObx6ZVnWweZ+/sYPTo27KK0WP9lqssASxRXDYpqTmZZalF +nYJXBmrpp1mKXjBVjHp1nzmBsa7rF2MnBwSAiYSMzZ/ZAOxhQRWMErsXsPUxcgFZH9hlOh/ Nh3K+cwosXj1RkaYjiPTN7JCJJYzSvxrO8oC17JxyxWwWWwChhJdb7vAbBEBCYlf/VcZQYqY BZ4yStzbsIUdJCEs4ChxYf4tJhCbRUBV4sf+H2ANvAK2EhM+XmGCWCcvsXrDAWaQZgmBj+wS s469h7rDReLBpyNQtrDEq+MQQyUEZCROT+5hgWhoZpR4eG4tO4TTwyhxuWkGVIe1xJ1zv4DW cQDdpCmxfpc+RNhR4s7uO0wgYQkBPokbbwVBwsxA5qRt05khwrwSHW1CENVqErOOr4Nbe/DC JWYI20Ni86TrjJBAjZV4tvoX4wRGuVkIuxYwMq5iFE8tLc5NTy02zkst1ytOzC0uzUvXS87P 3cQIjP3T/45/3cG44tVHvUOMTByMhxglOJiVRHgv1DgmCvGmJFZWpRblxxeV5qQWH2KU5mBR EufdtXVNvJBAemJJanZqakFqEUyWiYNTqoHJ8NKpIK+EBOEFU7hlrz+Ld3ALM9kZ4/DToF7o oLPqKpNYJs8LTHf52//wxhffTNn02MwiW/HyjOvaWwN7/lTFeE2Y1H8+uGPCsqUrkh232vLu abc7wdcZ8+PYCrsNE1uvrMuvtW56u3D2tgo/uztKzJOOCXJPm9JbnnfV9/cC46p9BfzFz5Zm ul5OzlLcdit4ic1r1vkaouVChoqt2u1zJ1s+mjFzf4DoNH69V4+yTs8oMD07kWPZlOwd4jkm Fe0/lB0/KImsCJr3edELzXWHbe9N/+63Ukkz7oiOWzh/xB3XmLrsKtvbF2+mrHn8bg3bFf1V j3QuTLm9hOu5eWXhpEJ+j5NpWVOnmYruLTmjxFKckWioxVxUnAgAYOajf2wDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrPLMWRmVeSWpSXmKPExsVy+t/xe7qr/F0SDd5tU7bYOGM9q8WNX22s FmuP3GW3WDD5CZD7UNvi7d5Odgc2j02rOtk8zt7ZwejRt2UVo8f6LVdZAlii9GyK8ktLUhUy 8otLbJWiDS2M9AwtLfSMTCz1DI3NY62MTJX07WxSUnMyy1KL9O0S9DJWTTvNUvCCrWLSrfnM DYx3WbsYOTkkBEwkjkzfCGRzcQgJLGWUmLZ+HVRCRuLktAYoW1jiz7UuNoiiT4wSi08uYQZJ sAkYSnS9BUlwcogISEj86r/KCFLELPCcUeLuuzawbmEBR4kL828xgdgsAqoSP/b/AGvgFbCV mPDxChPEBnmJ1RsOME9g5FnAyLCKUSS1tDg3PbfYUK84Mbe4NC9dLzk/dxMjMOS2Hfu5eQfj vFcf9Q4xMnEwHmKU4GBWEuG9UOOYKMSbklhZlVqUH19UmpNafIjRFGjfRGYp0eR8YNDnlcQb mhmYGpqYWRqYWpoZK4nzbp27Jl5IID2xJDU7NbUgtQimj4mDU6qBSVtGtUPdrGn33sgPSwtS t3Nf2rEon+XryYd3PbSjr293339fXuJp3M0HL8SnvNRLbFA4/PWTu9zRV5Ln7DelrGLYFPnh yv6ogkQND/PQ9TEJR66fZz51w94kPyf6urCz4oP+1FmFyQeOK+00X79GzPPyldurTH/MeOb4 9/3XY/aaOdcVpCzNjPbnfvj4g39j/PMDqucvvO9e23r/+rPd+Y52wgm5on7Jx0+9PCV9ovBw kdCvGBa/5as5On78/b9Ca9aS2kcCLw0+zdsj9+tT8Id4h1m9vwzquD12xhyI7nne2au/MW2V +d281IOeu65/MKj7eYEhJ+agy+ar/6zi5TL/HtXtWcH+OtCMa17gp49KLMUZiYZazEXFiQCX EbYYwgIAAA== X-CMS-MailID: 20210917081954eucas1p21f21f427d33607535b34389885a85fbc X-Msg-Generator: CA X-RootMTR: 20210917081954eucas1p21f21f427d33607535b34389885a85fbc X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210917081954eucas1p21f21f427d33607535b34389885a85fbc References: X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean XHCI firmware upload must be performed only once after initializing the PCI bridge. This fixes USB stack initialization after calling "usb stop; usb start" on Raspberry Pi 4B. Signed-off-by: Marek Szyprowski Reviewed-by: Nicolas Saenz Julienne --- arch/arm/mach-bcm283x/msg.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-bcm283x/msg.c b/arch/arm/mach-bcm283x/msg.c index 347aece3cd..345f7fe2b7 100644 --- a/arch/arm/mach-bcm283x/msg.c +++ b/arch/arm/mach-bcm283x/msg.c @@ -170,6 +170,12 @@ int bcm2711_notify_vl805_reset(void) ALLOC_CACHE_ALIGN_BUFFER(struct msg_notify_vl805_reset, msg_notify_vl805_reset, 1); int ret; + static int done = false; + + if (done) + return 0; + + done = true; BCM2835_MBOX_INIT_HDR(msg_notify_vl805_reset); BCM2835_MBOX_INIT_TAG(&msg_notify_vl805_reset->dev_addr,