[PATCH] usb: gadget: fastboot: detect device if not present
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: 2018-09-17 13:57:25
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
When a device file is not present when the fastboot gadget is created then try to detect it before we fail. It may be that we want to write to a device that we haven't used before. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/usb/gadget/f_fastboot.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index 40a78987e4..74fb524c1c 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c@@ -246,6 +246,11 @@ static int fastboot_add_partition_variables(struct f_fastboot *f_fb, struct fb_variable *var; ret = stat(fentry->filename, &s); + if (ret) { + device_detect_by_name(devpath_to_name(fentry->filename)); + ret = stat(fentry->filename, &s); + } + if (ret) { if (fentry->flags & FILE_LIST_FLAG_CREATE) { ret = 0;
--
2.19.0
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