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musb: Properly call musb_stop() on probe failure 

musb_lowlevelinit(): if no device is plugged in / detected call
musb_stop() to undo the preceding musb_start() call.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2016-04-02 20:46:10 +02:00 committed by Marek Vasut
parent 38b4a3e143
commit bf31323064
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/musb-new/musb_uboot.c
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@ -237,8 +237,10 @@ int musb_lowlevel_init(struct musb_host_data *host)
if (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_HM) if (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_HM)
break; break;
} while (get_timer(0) < timeout); } while (get_timer(0) < timeout);
if (get_timer(0) >= timeout) if (get_timer(0) >= timeout) {
musb_stop(host->host);
return -ENODEV; return -ENODEV;
}
_musb_reset_root_port(host, NULL); _musb_reset_root_port(host, NULL);
host->host->is_active = 1; host->host->is_active = 1;